phy for 5.9

- New PHY Drivers:
    - Samsung UFS
    - Qcom USB DWC for ipq806x
    - Xilinx ZynqMP Gigabit Transceiver
    - Qcom USB QMP for IPQ8074
    - BCM63xx USBH
 
  - Removed:
    - Qcom ufs qmp phy driver
 
  - Updates:
    - Support for Qcom SM8250 QMP V4 USB3 UNIPHY
    - qcom-snps runtime pm support
    - Cleanup of W=1 warns in the subsystem
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Merge tag 'phy-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-misc-next

Vinod writes:

phy for 5.9

 - New PHY Drivers:
   - Samsung UFS
   - Qcom USB DWC for ipq806x
   - Xilinx ZynqMP Gigabit Transceiver
   - Qcom USB QMP for IPQ8074
   - BCM63xx USBH

 - Removed:
   - Qcom ufs qmp phy driver

 - Updates:
   - Support for Qcom SM8250 QMP V4 USB3 UNIPHY
   - qcom-snps runtime pm support
   - Cleanup of W=1 warns in the subsystem

* tag 'phy-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (46 commits)
  phy: qualcomm: fix setting of tx_deamp_3_5db when device property read fails
  phy: bcm63xx-usbh: Add BCM63xx USBH driver
  dt-bindings: phy: add bcm63xx-usbh bindings
  phy: armada-38x: fix NETA lockup when repeatedly switching speeds
  dt: update Marvell Armada 38x COMPHY binding
  phy: samsung-ufs: Fix IS_ERR argument
  dt-bindings: phy: renesas,usb3-phy: Add r8a774e1 support
  dt-bindings: phy: renesas,usb2-phy: Add r8a774e1 support
  phy: renesas: rcar-gen3-usb2: exit if request_irq() failed
  phy: renesas: rcar-gen3-usb2: move irq registration to init
  devicetree: bindings: phy: Document ipq806x dwc3 qcom phy
  phy: qualcomm: add qcom ipq806x dwc usb phy driver
  phy: samsung-ufs: add UFS PHY driver for samsung SoC
  dt-bindings: phy: Document Samsung UFS PHY bindings
  phy: sun4i-usb: explicitly include gpio/consumer.h
  phy: stm32: use NULL instead of zero
  phy: exynos5-usbdrd: use correct format for structure description
  phy: rockchip-typec: use correct format for structure description
  phy: xgene: remove unsigned integer comparison with less than zero
  phy: mapphone-mdm6600: Add missing description for some structure fields
  ...

Documentation/devicetree/bindings/phy/brcm,bcm63xx-usbh-phy.yaml

@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/brcm,bcm63xx-usbh-phy.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: BCM63xx USBH PHY
+
+maintainers:
+  - Álvaro Fernández Rojas <noltari@gmail.com>
+
+properties:
+  compatible:
+    enum:
+      - brcm,bcm6318-usbh-phy
+      - brcm,bcm6328-usbh-phy
+      - brcm,bcm6358-usbh-phy
+      - brcm,bcm6362-usbh-phy
+      - brcm,bcm6368-usbh-phy
+      - brcm,bcm63268-usbh-phy
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    maxItems: 2
+
+  clock-names:
+    minItems: 1
+    maxItems: 2
+    items:
+      - const: usbh
+      - const: usb_ref
+
+  resets:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 1
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - resets
+  - "#phy-cells"
+
+if:
+  properties:
+    compatible:
+      enum:
+        - brcm,bcm6318-usbh-phy
+        - brcm,bcm6328-usbh-phy
+        - brcm,bcm6362-usbh-phy
+        - brcm,bcm63268-usbh-phy
+then:
+  properties:
+    power-domains:
+      maxItems: 1
+  required:
+    - power-domains
+else:
+  properties:
+    power-domains: false
+
+examples:
+  - |
+    usbh: usb-phy@10001700 {
+      compatible = "brcm,bcm6368-usbh-phy";
+      reg = <0x10001700 0x38>;
+      clocks = <&periph_clk 15>;
+      clock-names = "usbh";
+      resets = <&periph_rst 12>;
+      #phy-cells = <1>;
+    };

Documentation/devicetree/bindings/phy/phy-armada38x-comphy.txt

@@ -12,6 +12,13 @@ Required properties:
 - #address-cells: should be 1.
 - #size-cells: should be 0.
 
+Optional properties:
+
+- reg-names: must be "comphy" as the first name, and "conf".
+- reg: must contain the comphy register location and length as the first
+    pair, followed by an optional configuration register address and
+    length pair.
+
 A sub-node is required for each comphy lane provided by the comphy.
 
 Required properties (child nodes):
@@ -24,7 +31,8 @@ Example:
 
 	comphy: phy@18300 {
 		compatible = "marvell,armada-380-comphy";
-		reg = <0x18300 0x100>;
+		reg-names = "comphy", "conf";
+		reg = <0x18300 0x100>, <0x18460 4>;
 		#address-cells = <1>;
 		#size-cells = <0>;
 

Documentation/devicetree/bindings/phy/qcom,ipq806x-usb-phy-hs.yaml

@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/qcom,ipq806x-usb-phy-hs.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm ipq806x usb DWC3 HS PHY CONTROLLER
+
+maintainers:
+  - Ansuel Smith <ansuelsmth@gmail.com>
+
+description:
+  DWC3 PHY nodes are defined to describe on-chip Synopsis Physical layer
+  controllers used in ipq806x. Each DWC3 PHY controller should have its
+  own node.
+
+properties:
+  compatible:
+    const: qcom,ipq806x-usb-phy-hs
+
+  "#phy-cells":
+    const: 0
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    maxItems: 2
+
+  clock-names:
+    minItems: 1
+    maxItems: 2
+    items:
+      - const: ref
+      - const: xo
+
+required:
+  - compatible
+  - "#phy-cells"
+  - reg
+  - clocks
+  - clock-names
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-ipq806x.h>
+
+    hs_phy_0: phy@110f8800 {
+      compatible = "qcom,ipq806x-usb-phy-hs";
+      reg = <0x110f8800 0x30>;
+      clocks = <&gcc USB30_0_UTMI_CLK>;
+      clock-names = "ref";
+      #phy-cells = <0>;
+    };

Documentation/devicetree/bindings/phy/qcom,ipq806x-usb-phy-ss.yaml

@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/qcom,ipq806x-usb-phy-ss.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm ipq806x usb DWC3 SS PHY CONTROLLER
+
+maintainers:
+  - Ansuel Smith <ansuelsmth@gmail.com>
+
+description:
+  DWC3 PHY nodes are defined to describe on-chip Synopsis Physical layer
+  controllers used in ipq806x. Each DWC3 PHY controller should have its
+  own node.
+
+properties:
+  compatible:
+    const: qcom,ipq806x-usb-phy-ss
+
+  "#phy-cells":
+    const: 0
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    maxItems: 2
+
+  clock-names:
+    minItems: 1
+    maxItems: 2
+    items:
+      - const: ref
+      - const: xo
+
+  qcom,rx-eq:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Override value for rx_eq.
+    default: 4
+    maximum: 7
+
+  qcom,tx-deamp-3_5db:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Override value for transmit preemphasis.
+    default: 23
+    maximum: 63
+
+  qcom,mpll:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Override value for mpll.
+    default: 0
+    maximum: 7
+
+required:
+  - compatible
+  - "#phy-cells"
+  - reg
+  - clocks
+  - clock-names
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-ipq806x.h>
+
+    ss_phy_0: phy@110f8830 {
+      compatible = "qcom,ipq806x-usb-phy-ss";
+      reg = <0x110f8830 0x30>;
+      clocks = <&gcc USB30_0_MASTER_CLK>;
+      clock-names = "ref";
+      #phy-cells = <0>;
+    };

Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml

@@ -18,6 +18,7 @@ properties:
   compatible:
     enum:
       - qcom,ipq8074-qmp-pcie-phy
+      - qcom,ipq8074-qmp-usb3-phy
       - qcom,msm8996-qmp-pcie-phy
       - qcom,msm8996-qmp-ufs-phy
       - qcom,msm8996-qmp-usb3-phy
@@ -161,6 +162,7 @@ allOf:
         compatible:
           contains:
             enum:
+              - qcom,ipq8074-qmp-usb3-phy
               - qcom,msm8996-qmp-usb3-phy
               - qcom,msm8998-qmp-pcie-phy
               - qcom,msm8998-qmp-usb3-phy

Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml

@@ -18,6 +18,7 @@ properties:
     oneOf:
       - items:
         - enum:
+          - qcom,ipq8074-qusb2-phy
           - qcom,msm8996-qusb2-phy
           - qcom,msm8998-qusb2-phy
       - items:

Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml

@@ -21,6 +21,7 @@ properties:
               - renesas,usb2-phy-r8a774a1 # RZ/G2M
               - renesas,usb2-phy-r8a774b1 # RZ/G2N
               - renesas,usb2-phy-r8a774c0 # RZ/G2E
+              - renesas,usb2-phy-r8a774e1 # RZ/G2H
               - renesas,usb2-phy-r8a7795  # R-Car H3
               - renesas,usb2-phy-r8a7796  # R-Car M3-W
               - renesas,usb2-phy-r8a77961 # R-Car M3-W+

Documentation/devicetree/bindings/phy/renesas,usb3-phy.yaml

@@ -15,6 +15,7 @@ properties:
       - enum:
           - renesas,r8a774a1-usb3-phy # RZ/G2M
           - renesas,r8a774b1-usb3-phy # RZ/G2N
+          - renesas,r8a774e1-usb3-phy # RZ/G2H
           - renesas,r8a7795-usb3-phy  # R-Car H3
           - renesas,r8a7796-usb3-phy  # R-Car M3-W
           - renesas,r8a77961-usb3-phy # R-Car M3-W+

Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml

@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/samsung,ufs-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung SoC series UFS PHY Device Tree Bindings
+
+maintainers:
+  - Alim Akhtar <alim.akhtar@samsung.com>
+
+properties:
+  "#phy-cells":
+    const: 0
+
+  compatible:
+    enum:
+      - samsung,exynos7-ufs-phy
+
+  reg:
+    maxItems: 1
+
+  reg-names:
+    items:
+      - const: phy-pma
+
+  clocks:
+    items:
+      - description: PLL reference clock
+      - description: symbol clock for input symbol ( rx0-ch0 symbol clock)
+      - description: symbol clock for input symbol ( rx1-ch1 symbol clock)
+      - description: symbol clock for output symbol ( tx0 symbol clock)
+
+  clock-names:
+    items:
+      - const: ref_clk
+      - const: rx1_symbol_clk
+      - const: rx0_symbol_clk
+      - const: tx0_symbol_clk
+
+  samsung,pmu-syscon:
+    $ref: '/schemas/types.yaml#/definitions/phandle'
+    description: phandle for PMU system controller interface, used to
+                 control pmu registers bits for ufs m-phy
+
+required:
+  - "#phy-cells"
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+  - samsung,pmu-syscon
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/exynos7-clk.h>
+
+    ufs_phy: ufs-phy@15571800 {
+        compatible = "samsung,exynos7-ufs-phy";
+        reg = <0x15571800 0x240>;
+        reg-names = "phy-pma";
+        samsung,pmu-syscon = <&pmu_system_controller>;
+        #phy-cells = <0>;
+        clocks = <&clock_fsys1 SCLK_COMBO_PHY_EMBEDDED_26M>,
+                 <&clock_fsys1 PHYCLK_UFS20_RX1_SYMBOL_USER>,
+                 <&clock_fsys1 PHYCLK_UFS20_RX0_SYMBOL_USER>,
+                 <&clock_fsys1 PHYCLK_UFS20_TX0_SYMBOL_USER>;
+        clock-names = "ref_clk", "rx1_symbol_clk",
+                      "rx0_symbol_clk", "tx0_symbol_clk";
+
+    };
+...

Documentation/devicetree/bindings/phy/socionext,uniphier-usb3hs-phy.yaml

@@ -31,12 +31,16 @@ properties:
 
   clocks:
     minItems: 1
-    maxItems: 2
+    maxItems: 3
 
   clock-names:
     oneOf:
       - const: link          # for PXs2
-      - items:               # for PXs3
+      - items:               # for PXs3 with phy-ext
+        - const: link
+        - const: phy
+        - const: phy-ext
+      - items:               # for others
         - const: link
         - const: phy
 

Documentation/devicetree/bindings/phy/xlnx,zynqmp-psgtr.yaml

@@ -0,0 +1,105 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/xlnx,zynqmp-psgtr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Xilinx ZynqMP Gigabit Transceiver PHY Device Tree Bindings
+
+maintainers:
+  - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+
+description: |
+  This binding describes the Xilinx ZynqMP Gigabit Transceiver (GTR) PHY. The
+  GTR provides four lanes and is used by USB, SATA, PCIE, Display port and
+  Ethernet SGMII controllers.
+
+properties:
+  "#phy-cells":
+    const: 4
+    description: |
+      The cells contain the following arguments.
+
+      - description: The GTR lane
+        minimum: 0
+        maximum: 3
+      - description: The PHY type
+        enum:
+          - PHY_TYPE_DP
+          - PHY_TYPE_PCIE
+          - PHY_TYPE_SATA
+          - PHY_TYPE_SGMII
+          - PHY_TYPE_USB
+      - description: The PHY instance
+        minimum: 0
+        maximum: 1 # for DP, SATA or USB
+        maximum: 3 # for PCIE or SGMII
+      - description: The reference clock number
+        minimum: 0
+        maximum: 3
+
+  compatible:
+    enum:
+      - xlnx,zynqmp-psgtr-v1.1
+      - xlnx,zynqmp-psgtr
+
+  clocks:
+    minItems: 1
+    maxItems: 4
+    description: |
+      Clock for each PS_MGTREFCLK[0-3] reference clock input. Unconnected
+      inputs shall not have an entry.
+
+  clock-names:
+    minItems: 1
+    maxItems: 4
+    items:
+      pattern: "^ref[0-3]$"
+
+  reg:
+    items:
+      - description: SERDES registers block
+      - description: SIOU registers block
+
+  reg-names:
+    items:
+      - const: serdes
+      - const: siou
+
+  xlnx,tx-termination-fix:
+    description: |
+      Include this for fixing functional issue with the TX termination
+      resistance in GT, which can be out of spec for the XCZU9EG silicon
+      version.
+    type: boolean
+
+required:
+  - "#phy-cells"
+  - compatible
+  - reg
+  - reg-names
+
+if:
+  properties:
+    compatible:
+      const: xlnx,zynqmp-psgtr-v1.1
+
+then:
+  properties:
+    xlnx,tx-termination-fix: false
+
+additionalProperties: false
+
+examples:
+  - |
+    phy: phy@fd400000 {
+        compatible = "xlnx,zynqmp-psgtr-v1.1";
+        reg = <0xfd400000 0x40000>,
+              <0xfd3d0000 0x1000>;
+        reg-names = "serdes", "siou";
+        clocks = <&refclks 3>, <&refclks 2>, <&refclks 0>;
+        clock-names = "ref1", "ref2", "ref3";
+        #phy-cells = <4>;
+    };
+
+...

MAINTAINERS

@@ -18862,6 +18862,15 @@ F:	Documentation/devicetree/bindings/media/xilinx/
 F:	drivers/media/platform/xilinx/
 F:	include/uapi/linux/xilinx-v4l2-controls.h
 
+XILINX ZYNQMP PSGTR PHY DRIVER
+M:	Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com>
+M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+L:	linux-kernel@vger.kernel.org
+S:	Supported
+T:	git https://github.com/Xilinx/linux-xlnx.git
+F:	Documentation/devicetree/bindings/phy/xlnx,zynqmp-psgtr.yaml
+F:	drivers/phy/xilinx/phy-zynqmp.c
+
 XILLYBUS DRIVER
 M:	Eli Billauer <eli.billauer@gmail.com>
 L:	linux-kernel@vger.kernel.org

drivers/phy/Kconfig

@@ -70,5 +70,6 @@ source "drivers/phy/st/Kconfig"
 source "drivers/phy/tegra/Kconfig"
 source "drivers/phy/ti/Kconfig"
 source "drivers/phy/intel/Kconfig"
+source "drivers/phy/xilinx/Kconfig"
 
 endmenu

drivers/phy/Makefile

@@ -8,24 +8,25 @@ obj-$(CONFIG_GENERIC_PHY_MIPI_DPHY)	+= phy-core-mipi-dphy.o
 obj-$(CONFIG_PHY_LPC18XX_USB_OTG)	+= phy-lpc18xx-usb-otg.o
 obj-$(CONFIG_PHY_XGENE)			+= phy-xgene.o
 obj-$(CONFIG_PHY_PISTACHIO_USB)		+= phy-pistachio-usb.o
-obj-$(CONFIG_ARCH_SUNXI)		+= allwinner/
-obj-$(CONFIG_ARCH_MESON)		+= amlogic/
-obj-$(CONFIG_ARCH_MEDIATEK)		+= mediatek/
-obj-$(CONFIG_ARCH_RENESAS)		+= renesas/
-obj-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip/
-obj-$(CONFIG_ARCH_TEGRA)		+= tegra/
-obj-y					+= broadcom/	\
+obj-y					+= allwinner/	\
+					   amlogic/	\
+					   broadcom/	\
 					   cadence/	\
 					   freescale/	\
 					   hisilicon/	\
 					   intel/	\
 					   lantiq/	\
 					   marvell/	\
+					   mediatek/	\
 					   motorola/	\
 					   mscc/	\
 					   qualcomm/	\
 					   ralink/	\
+					   renesas/	\
+					   rockchip/	\
 					   samsung/	\
 					   socionext/	\
 					   st/		\
-					   ti/
+					   tegra/	\
+					   ti/		\
+					   xilinx/

drivers/phy/allwinner/Kconfig

@@ -22,7 +22,7 @@ config PHY_SUN4I_USB
 config PHY_SUN6I_MIPI_DPHY
 	tristate "Allwinner A31 MIPI D-PHY Support"
 	depends on ARCH_SUNXI || COMPILE_TEST
-	depends on HAS_IOMEM
+	depends on HAS_IOMEM && COMMON_CLK
 	depends on RESET_CONTROLLER
 	select GENERIC_PHY
 	select GENERIC_PHY_MIPI_DPHY

drivers/phy/allwinner/phy-sun4i-usb.c

@@ -7,7 +7,7 @@
  * Based on code from
  * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
  *
- * Modelled after: Samsung S5P/EXYNOS SoC series MIPI CSIS/DSIM DPHY driver
+ * Modelled after: Samsung S5P/Exynos SoC series MIPI CSIS/DSIM DPHY driver
  * Copyright (C) 2013 Samsung Electronics Co., Ltd.
  * Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
  */
@@ -16,6 +16,7 @@
 #include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/extcon-provider.h>
+#include <linux/gpio/consumer.h>
 #include <linux/io.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>

drivers/phy/allwinner/phy-sun6i-mipi-dphy.c

@@ -233,7 +233,7 @@ static int sun6i_dphy_exit(struct phy *phy)
 }
 
 
-static struct phy_ops sun6i_dphy_ops = {
+static const struct phy_ops sun6i_dphy_ops = {
 	.configure	= sun6i_dphy_configure,
 	.power_on	= sun6i_dphy_power_on,
 	.power_off	= sun6i_dphy_power_off,
@@ -241,7 +241,7 @@ static struct phy_ops sun6i_dphy_ops = {
 	.exit		= sun6i_dphy_exit,
 };
 
-static struct regmap_config sun6i_dphy_regmap_config = {
+static const struct regmap_config sun6i_dphy_regmap_config = {
 	.reg_bits	= 32,
 	.val_bits	= 32,
 	.reg_stride	= 4,

drivers/phy/broadcom/Kconfig

@@ -2,6 +2,14 @@
 #
 # Phy drivers for Broadcom platforms
 #
+config PHY_BCM63XX_USBH
+	tristate "BCM63xx USBH PHY driver"
+	depends on BMIPS_GENERIC || COMPILE_TEST
+	select GENERIC_PHY
+	help
+	  Enable this to support the BCM63xx USBH PHY driver.
+	  If unsure, say N.
+
 config PHY_CYGNUS_PCIE
 	tristate "Broadcom Cygnus PCIe PHY driver"
 	depends on OF && (ARCH_BCM_CYGNUS || COMPILE_TEST)

drivers/phy/broadcom/Makefile

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_PHY_BCM63XX_USBH)		+= phy-bcm63xx-usbh.o
 obj-$(CONFIG_PHY_CYGNUS_PCIE)		+= phy-bcm-cygnus-pcie.o
 obj-$(CONFIG_BCM_KONA_USB2_PHY)		+= phy-bcm-kona-usb2.o
 obj-$(CONFIG_PHY_BCM_NS_USB2)		+= phy-bcm-ns-usb2.o

drivers/phy/broadcom/phy-bcm63xx-usbh.c

@@ -0,0 +1,457 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BCM6328 USBH PHY Controller Driver
+ *
+ * Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
+ * Copyright (C) 2015 Simon Arlott
+ *
+ * Derived from bcm963xx_4.12L.06B_consumer/kernel/linux/arch/mips/bcm963xx/setup.c:
+ * Copyright (C) 2002 Broadcom Corporation
+ *
+ * Derived from OpenWrt patches:
+ * Copyright (C) 2013 Jonas Gorski <jonas.gorski@gmail.com>
+ * Copyright (C) 2013 Florian Fainelli <f.fainelli@gmail.com>
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/reset.h>
+
+/* USBH control register offsets */
+enum usbh_regs {
+	USBH_BRT_CONTROL1 = 0,
+	USBH_BRT_CONTROL2,
+	USBH_BRT_STATUS1,
+	USBH_BRT_STATUS2,
+	USBH_UTMI_CONTROL1,
+#define   USBH_UC1_DEV_MODE_SEL		BIT(0)
+	USBH_TEST_PORT_CONTROL,
+	USBH_PLL_CONTROL1,
+#define   USBH_PLLC_REFCLKSEL_SHIFT	0
+#define   USBH_PLLC_REFCLKSEL_MASK	(0x3 << USBH_PLLC_REFCLKSEL_SHIFT)
+#define   USBH_PLLC_CLKSEL_SHIFT	2
+#define   USBH_PLLC_CLKSEL_MASK		(0x3 << USBH_PLLC_CLKSEL_MASK)
+#define   USBH_PLLC_XTAL_PWRDWNB	BIT(4)
+#define   USBH_PLLC_PLL_PWRDWNB		BIT(5)
+#define   USBH_PLLC_PLL_CALEN		BIT(6)
+#define   USBH_PLLC_PHYPLL_BYP		BIT(7)
+#define   USBH_PLLC_PLL_RESET		BIT(8)
+#define   USBH_PLLC_PLL_IDDQ_PWRDN	BIT(9)
+#define   USBH_PLLC_PLL_PWRDN_DELAY	BIT(10)
+#define   USBH_6318_PLLC_PLL_SUSPEND_EN	BIT(27)
+#define   USBH_6318_PLLC_PHYPLL_BYP	BIT(29)
+#define   USBH_6318_PLLC_PLL_RESET	BIT(30)
+#define   USBH_6318_PLLC_PLL_IDDQ_PWRDN	BIT(31)
+	USBH_SWAP_CONTROL,
+#define   USBH_SC_OHCI_DATA_SWAP	BIT(0)
+#define   USBH_SC_OHCI_ENDIAN_SWAP	BIT(1)
+#define   USBH_SC_OHCI_LOGICAL_ADDR_EN	BIT(2)
+#define   USBH_SC_EHCI_DATA_SWAP	BIT(3)
+#define   USBH_SC_EHCI_ENDIAN_SWAP	BIT(4)
+#define   USBH_SC_EHCI_LOGICAL_ADDR_EN	BIT(5)
+#define   USBH_SC_USB_DEVICE_SEL	BIT(6)
+	USBH_GENERIC_CONTROL,
+#define   USBH_GC_PLL_SUSPEND_EN	BIT(1)
+	USBH_FRAME_ADJUST_VALUE,
+	USBH_SETUP,
+#define   USBH_S_IOC			BIT(4)
+#define   USBH_S_IPP			BIT(5)
+	USBH_MDIO,
+	USBH_MDIO32,
+	USBH_USB_SIM_CONTROL,
+#define   USBH_USC_LADDR_SEL		BIT(5)
+
+	__USBH_ENUM_SIZE
+};
+
+struct bcm63xx_usbh_phy_variant {
+	/* Registers */
+	long regs[__USBH_ENUM_SIZE];
+
+	/* PLLC bits to set/clear for power on */
+	u32 power_pllc_clr;
+	u32 power_pllc_set;
+
+	/* Setup bits to set/clear for power on */
+	u32 setup_clr;
+	u32 setup_set;
+
+	/* Swap Control bits to set */
+	u32 swapctl_dev_set;
+
+	/* Test Port Control value to set if non-zero */
+	u32 tpc_val;
+
+	/* USB Sim Control bits to set */
+	u32 usc_set;
+
+	/* UTMI Control 1 bits to set */
+	u32 utmictl1_dev_set;
+};
+
+struct bcm63xx_usbh_phy {
+	void __iomem *base;
+	struct clk *usbh_clk;
+	struct clk *usb_ref_clk;
+	struct reset_control *reset;
+	const struct bcm63xx_usbh_phy_variant *variant;
+	bool device_mode;
+};
+
+static const struct bcm63xx_usbh_phy_variant usbh_bcm6318 = {
+	.regs = {
+		[USBH_BRT_CONTROL1] = -1,
+		[USBH_BRT_CONTROL2] = -1,
+		[USBH_BRT_STATUS1] = -1,
+		[USBH_BRT_STATUS2] = -1,
+		[USBH_UTMI_CONTROL1] = 0x2c,
+		[USBH_TEST_PORT_CONTROL] = 0x1c,
+		[USBH_PLL_CONTROL1] = 0x04,
+		[USBH_SWAP_CONTROL] = 0x0c,
+		[USBH_GENERIC_CONTROL] = -1,
+		[USBH_FRAME_ADJUST_VALUE] = 0x08,
+		[USBH_SETUP] = 0x00,
+		[USBH_MDIO] = 0x14,
+		[USBH_MDIO32] = 0x18,
+		[USBH_USB_SIM_CONTROL] = 0x20,
+	},
+	.power_pllc_clr = USBH_6318_PLLC_PLL_IDDQ_PWRDN,
+	.power_pllc_set = USBH_6318_PLLC_PLL_SUSPEND_EN,
+	.setup_set = USBH_S_IOC,
+	.swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
+	.usc_set = USBH_USC_LADDR_SEL,
+	.utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
+};
+
+static const struct bcm63xx_usbh_phy_variant usbh_bcm6328 = {
+	.regs = {
+		[USBH_BRT_CONTROL1] = 0x00,
+		[USBH_BRT_CONTROL2] = 0x04,
+		[USBH_BRT_STATUS1] = 0x08,
+		[USBH_BRT_STATUS2] = 0x0c,
+		[USBH_UTMI_CONTROL1] = 0x10,
+		[USBH_TEST_PORT_CONTROL] = 0x14,
+		[USBH_PLL_CONTROL1] = 0x18,
+		[USBH_SWAP_CONTROL] = 0x1c,
+		[USBH_GENERIC_CONTROL] = 0x20,
+		[USBH_FRAME_ADJUST_VALUE] = 0x24,
+		[USBH_SETUP] = 0x28,
+		[USBH_MDIO] = 0x2c,
+		[USBH_MDIO32] = 0x30,
+		[USBH_USB_SIM_CONTROL] = 0x34,
+	},
+	.setup_set = USBH_S_IOC,
+	.swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
+	.utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
+};
+
+static const struct bcm63xx_usbh_phy_variant usbh_bcm6358 = {
+	.regs = {
+		[USBH_BRT_CONTROL1] = -1,
+		[USBH_BRT_CONTROL2] = -1,
+		[USBH_BRT_STATUS1] = -1,
+		[USBH_BRT_STATUS2] = -1,
+		[USBH_UTMI_CONTROL1] = -1,
+		[USBH_TEST_PORT_CONTROL] = 0x24,
+		[USBH_PLL_CONTROL1] = -1,
+		[USBH_SWAP_CONTROL] = 0x00,
+		[USBH_GENERIC_CONTROL] = -1,
+		[USBH_FRAME_ADJUST_VALUE] = -1,
+		[USBH_SETUP] = -1,
+		[USBH_MDIO] = -1,
+		[USBH_MDIO32] = -1,
+		[USBH_USB_SIM_CONTROL] = -1,
+	},
+	/*
+	 * The magic value comes for the original vendor BSP
+	 * and is needed for USB to work. Datasheet does not
+	 * help, so the magic value is used as-is.
+	 */
+	.tpc_val = 0x1c0020,
+};
+
+static const struct bcm63xx_usbh_phy_variant usbh_bcm6368 = {
+	.regs = {
+		[USBH_BRT_CONTROL1] = 0x00,
+		[USBH_BRT_CONTROL2] = 0x04,
+		[USBH_BRT_STATUS1] = 0x08,
+		[USBH_BRT_STATUS2] = 0x0c,
+		[USBH_UTMI_CONTROL1] = 0x10,
+		[USBH_TEST_PORT_CONTROL] = 0x14,
+		[USBH_PLL_CONTROL1] = 0x18,
+		[USBH_SWAP_CONTROL] = 0x1c,
+		[USBH_GENERIC_CONTROL] = -1,
+		[USBH_FRAME_ADJUST_VALUE] = 0x24,
+		[USBH_SETUP] = 0x28,
+		[USBH_MDIO] = 0x2c,
+		[USBH_MDIO32] = 0x30,
+		[USBH_USB_SIM_CONTROL] = 0x34,
+	},
+	.power_pllc_clr = USBH_PLLC_PLL_IDDQ_PWRDN | USBH_PLLC_PLL_PWRDN_DELAY,
+	.setup_set = USBH_S_IOC,
+	.swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
+	.utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
+};
+
+static const struct bcm63xx_usbh_phy_variant usbh_bcm63268 = {
+	.regs = {
+		[USBH_BRT_CONTROL1] = 0x00,
+		[USBH_BRT_CONTROL2] = 0x04,
+		[USBH_BRT_STATUS1] = 0x08,
+		[USBH_BRT_STATUS2] = 0x0c,
+		[USBH_UTMI_CONTROL1] = 0x10,
+		[USBH_TEST_PORT_CONTROL] = 0x14,
+		[USBH_PLL_CONTROL1] = 0x18,
+		[USBH_SWAP_CONTROL] = 0x1c,
+		[USBH_GENERIC_CONTROL] = 0x20,
+		[USBH_FRAME_ADJUST_VALUE] = 0x24,
+		[USBH_SETUP] = 0x28,
+		[USBH_MDIO] = 0x2c,
+		[USBH_MDIO32] = 0x30,
+		[USBH_USB_SIM_CONTROL] = 0x34,
+	},
+	.power_pllc_clr = USBH_PLLC_PLL_IDDQ_PWRDN | USBH_PLLC_PLL_PWRDN_DELAY,
+	.setup_clr = USBH_S_IPP,
+	.setup_set = USBH_S_IOC,
+	.swapctl_dev_set = USBH_SC_USB_DEVICE_SEL,
+	.utmictl1_dev_set = USBH_UC1_DEV_MODE_SEL,
+};
+
+static inline bool usbh_has_reg(struct bcm63xx_usbh_phy *usbh, int reg)
+{
+	return (usbh->variant->regs[reg] >= 0);
+}
+
+static inline u32 usbh_readl(struct bcm63xx_usbh_phy *usbh, int reg)
+{
+	return __raw_readl(usbh->base + usbh->variant->regs[reg]);
+}
+
+static inline void usbh_writel(struct bcm63xx_usbh_phy *usbh, int reg,
+			       u32 value)
+{
+	__raw_writel(value, usbh->base + usbh->variant->regs[reg]);
+}
+
+static int bcm63xx_usbh_phy_init(struct phy *phy)
+{
+	struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
+	int ret;
+
+	ret = clk_prepare_enable(usbh->usbh_clk);
+	if (ret) {
+		dev_err(&phy->dev, "unable to enable usbh clock: %d\n", ret);
+		return ret;
+	}
+
+	ret = clk_prepare_enable(usbh->usb_ref_clk);
+	if (ret) {
+		dev_err(&phy->dev, "unable to enable usb_ref clock: %d\n", ret);
+		clk_disable_unprepare(usbh->usbh_clk);
+		return ret;
+	}
+
+	ret = reset_control_reset(usbh->reset);
+	if (ret) {
+		dev_err(&phy->dev, "unable to reset device: %d\n", ret);
+		clk_disable_unprepare(usbh->usb_ref_clk);
+		clk_disable_unprepare(usbh->usbh_clk);
+		return ret;
+	}
+
+	/* Configure to work in native CPU endian */
+	if (usbh_has_reg(usbh, USBH_SWAP_CONTROL)) {
+		u32 val = usbh_readl(usbh, USBH_SWAP_CONTROL);
+
+		val |= USBH_SC_EHCI_DATA_SWAP;
+		val &= ~USBH_SC_EHCI_ENDIAN_SWAP;
+
+		val |= USBH_SC_OHCI_DATA_SWAP;
+		val &= ~USBH_SC_OHCI_ENDIAN_SWAP;
+
+		if (usbh->device_mode && usbh->variant->swapctl_dev_set)
+			val |= usbh->variant->swapctl_dev_set;
+
+		usbh_writel(usbh, USBH_SWAP_CONTROL, val);
+	}
+
+	if (usbh_has_reg(usbh, USBH_SETUP)) {
+		u32 val = usbh_readl(usbh, USBH_SETUP);
+
+		val |= usbh->variant->setup_set;
+		val &= ~usbh->variant->setup_clr;
+
+		usbh_writel(usbh, USBH_SETUP, val);
+	}
+
+	if (usbh_has_reg(usbh, USBH_USB_SIM_CONTROL)) {
+		u32 val = usbh_readl(usbh, USBH_USB_SIM_CONTROL);
+
+		val |= usbh->variant->usc_set;
+
+		usbh_writel(usbh, USBH_USB_SIM_CONTROL, val);
+	}
+
+	if (usbh->variant->tpc_val &&
+	    usbh_has_reg(usbh, USBH_TEST_PORT_CONTROL))
+		usbh_writel(usbh, USBH_TEST_PORT_CONTROL,
+			    usbh->variant->tpc_val);
+
+	if (usbh->device_mode &&
+	    usbh_has_reg(usbh, USBH_UTMI_CONTROL1) &&
+	    usbh->variant->utmictl1_dev_set) {
+		u32 val = usbh_readl(usbh, USBH_UTMI_CONTROL1);
+
+		val |= usbh->variant->utmictl1_dev_set;
+
+		usbh_writel(usbh, USBH_UTMI_CONTROL1, val);
+	}
+
+	return 0;
+}
+
+static int bcm63xx_usbh_phy_power_on(struct phy *phy)
+{
+	struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
+
+	if (usbh_has_reg(usbh, USBH_PLL_CONTROL1)) {
+		u32 val = usbh_readl(usbh, USBH_PLL_CONTROL1);
+
+		val |= usbh->variant->power_pllc_set;
+		val &= ~usbh->variant->power_pllc_clr;
+
+		usbh_writel(usbh, USBH_PLL_CONTROL1, val);
+	}
+
+	return 0;
+}
+
+static int bcm63xx_usbh_phy_power_off(struct phy *phy)
+{
+	struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
+
+	if (usbh_has_reg(usbh, USBH_PLL_CONTROL1)) {
+		u32 val = usbh_readl(usbh, USBH_PLL_CONTROL1);
+
+		val &= ~usbh->variant->power_pllc_set;
+		val |= usbh->variant->power_pllc_clr;
+
+		usbh_writel(usbh, USBH_PLL_CONTROL1, val);
+	}
+
+	return 0;
+}
+
+static int bcm63xx_usbh_phy_exit(struct phy *phy)
+{
+	struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);
+
+	clk_disable_unprepare(usbh->usbh_clk);
+	clk_disable_unprepare(usbh->usb_ref_clk);
+
+	return 0;
+}
+
+static const struct phy_ops bcm63xx_usbh_phy_ops = {
+	.exit = bcm63xx_usbh_phy_exit,
+	.init = bcm63xx_usbh_phy_init,
+	.power_off = bcm63xx_usbh_phy_power_off,
+	.power_on = bcm63xx_usbh_phy_power_on,
+	.owner = THIS_MODULE,
+};
+
+static struct phy *bcm63xx_usbh_phy_xlate(struct device *dev,
+					  struct of_phandle_args *args)
+{
+	struct bcm63xx_usbh_phy *usbh = dev_get_drvdata(dev);
+
+	usbh->device_mode = !!args->args[0];
+
+	return of_phy_simple_xlate(dev, args);
+}
+
+static int __init bcm63xx_usbh_phy_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct bcm63xx_usbh_phy	*usbh;
+	const struct bcm63xx_usbh_phy_variant *variant;
+	struct phy *phy;
+	struct phy_provider *phy_provider;
+
+	usbh = devm_kzalloc(dev, sizeof(*usbh), GFP_KERNEL);
+	if (!usbh)
+		return -ENOMEM;
+
+	variant = device_get_match_data(dev);
+	if (!variant)
+		return -EINVAL;
+	usbh->variant = variant;
+
+	usbh->base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(usbh->base))
+		return PTR_ERR(usbh->base);
+
+	usbh->reset = devm_reset_control_get_exclusive(dev, NULL);
+	if (IS_ERR(usbh->reset)) {
+		if (PTR_ERR(usbh->reset) != -EPROBE_DEFER)
+			dev_err(dev, "failed to get reset\n");
+		return PTR_ERR(usbh->reset);
+	}
+
+	usbh->usbh_clk = devm_clk_get_optional(dev, "usbh");
+	if (IS_ERR(usbh->usbh_clk))
+		return PTR_ERR(usbh->usbh_clk);
+
+	usbh->usb_ref_clk = devm_clk_get_optional(dev, "usb_ref");
+	if (IS_ERR(usbh->usb_ref_clk))
+		return PTR_ERR(usbh->usb_ref_clk);
+
+	phy = devm_phy_create(dev, NULL, &bcm63xx_usbh_phy_ops);
+	if (IS_ERR(phy)) {
+		dev_err(dev, "failed to create PHY\n");
+		return PTR_ERR(phy);
+	}
+
+	platform_set_drvdata(pdev, usbh);
+	phy_set_drvdata(phy, usbh);
+
+	phy_provider = devm_of_phy_provider_register(dev,
+						     bcm63xx_usbh_phy_xlate);
+	if (IS_ERR(phy_provider)) {
+		dev_err(dev, "failed to register PHY provider\n");
+		return PTR_ERR(phy_provider);
+	}
+
+	dev_dbg(dev, "Registered BCM63xx USB PHY driver\n");
+
+	return 0;
+}
+
+static const struct of_device_id bcm63xx_usbh_phy_ids[] __initconst = {
+	{ .compatible = "brcm,bcm6318-usbh-phy", .data = &usbh_bcm6318 },
+	{ .compatible = "brcm,bcm6328-usbh-phy", .data = &usbh_bcm6328 },
+	{ .compatible = "brcm,bcm6358-usbh-phy", .data = &usbh_bcm6358 },
+	{ .compatible = "brcm,bcm6362-usbh-phy", .data = &usbh_bcm6368 },
+	{ .compatible = "brcm,bcm6368-usbh-phy", .data = &usbh_bcm6368 },
+	{ .compatible = "brcm,bcm63268-usbh-phy", .data = &usbh_bcm63268 },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, bcm63xx_usbh_phy_ids);
+
+static struct platform_driver bcm63xx_usbh_phy_driver __refdata = {
+	.driver	= {
+		.name = "bcm63xx-usbh-phy",
+		.of_match_table = bcm63xx_usbh_phy_ids,
+	},
+	.probe	= bcm63xx_usbh_phy_probe,
+};
+module_platform_driver(bcm63xx_usbh_phy_driver);
+
+MODULE_DESCRIPTION("BCM63xx USBH PHY driver");
+MODULE_AUTHOR("Álvaro Fernández Rojas <noltari@gmail.com>");
+MODULE_AUTHOR("Simon Arlott");
+MODULE_LICENSE("GPL");

drivers/phy/cadence/phy-cadence-salvo.c

@@ -88,7 +88,7 @@
 #define TB_ADDR_TX_RCVDETSC_CTRL	        0x4124
 
 /* TB_ADDR_TX_RCVDETSC_CTRL */
-#define RXDET_IN_P3_32KHZ			BIT(1)
+#define RXDET_IN_P3_32KHZ			BIT(0)
 
 struct cdns_reg_pairs {
 	u16 val;

drivers/phy/marvell/phy-armada38x-comphy.c

@@ -41,6 +41,7 @@ struct a38x_comphy_lane {
 
 struct a38x_comphy {
 	void __iomem *base;
+	void __iomem *conf;
 	struct device *dev;
 	struct a38x_comphy_lane lane[MAX_A38X_COMPHY];
 };
@@ -54,6 +55,21 @@ static const u8 gbe_mux[MAX_A38X_COMPHY][MAX_A38X_PORTS] = {
 	{ 0, 0, 3 },
 };
 
+static void a38x_set_conf(struct a38x_comphy_lane *lane, bool enable)
+{
+	struct a38x_comphy *priv = lane->priv;
+	u32 conf;
+
+	if (priv->conf) {
+		conf = readl_relaxed(priv->conf);
+		if (enable)
+			conf |= BIT(lane->port);
+		else
+			conf &= ~BIT(lane->port);
+		writel(conf, priv->conf);
+	}
+}
+
 static void a38x_comphy_set_reg(struct a38x_comphy_lane *lane,
 				unsigned int offset, u32 mask, u32 value)
 {
@@ -97,6 +113,7 @@ static int a38x_comphy_set_mode(struct phy *phy, enum phy_mode mode, int sub)
 {
 	struct a38x_comphy_lane *lane = phy_get_drvdata(phy);
 	unsigned int gen;
+	int ret;
 
 	if (mode != PHY_MODE_ETHERNET)
 		return -EINVAL;
@@ -115,13 +132,20 @@ static int a38x_comphy_set_mode(struct phy *phy, enum phy_mode mode, int sub)
 		return -EINVAL;
 	}
 
+	a38x_set_conf(lane, false);
+
 	a38x_comphy_set_speed(lane, gen, gen);
 
-	return a38x_comphy_poll(lane, COMPHY_STAT1,
+	ret = a38x_comphy_poll(lane, COMPHY_STAT1,
 			       COMPHY_STAT1_PLL_RDY_TX |
 			       COMPHY_STAT1_PLL_RDY_RX,
 			       COMPHY_STAT1_PLL_RDY_TX |
 			       COMPHY_STAT1_PLL_RDY_RX);
+
+	if (ret == 0)
+		a38x_set_conf(lane, true);
+
+	return ret;
 }
 
 static const struct phy_ops a38x_comphy_ops = {
@@ -174,14 +198,21 @@ static int a38x_comphy_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 
 	priv->dev = &pdev->dev;
 	priv->base = base;
 
+	/* Optional */
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "conf");
+	if (res) {
+		priv->conf = devm_ioremap_resource(&pdev->dev, res);
+		if (IS_ERR(priv->conf))
+			return PTR_ERR(priv->conf);
+	}
+
 	for_each_available_child_of_node(pdev->dev.of_node, child) {
 		struct phy *phy;
 		int ret;

drivers/phy/marvell/phy-mvebu-a3700-utmi.c

@@ -72,7 +72,7 @@ struct mvebu_a3700_utmi_caps {
  * struct mvebu_a3700_utmi - PHY driver data
  *
  * @regs: PHY registers
- * @usb_mis: Regmap with USB miscellaneous registers including PHY ones
+ * @usb_misc: Regmap with USB miscellaneous registers including PHY ones
  * @caps: PHY capabilities
  * @phy: PHY handle
  */

drivers/phy/motorola/phy-mapphone-mdm6600.c

@@ -178,6 +178,7 @@ static const struct phy_ops gpio_usb_ops = {
 /**
  * phy_mdm6600_cmd() - send a command request to mdm6600
  * @ddata: device driver data
+ * @val: value of cmd to be set
  *
  * Configures the three command request GPIOs to the specified value.
  */
@@ -194,7 +195,7 @@ static void phy_mdm6600_cmd(struct phy_mdm6600 *ddata, int val)
 
 /**
  * phy_mdm6600_status() - read mdm6600 status lines
- * @ddata: device driver data
+ * @work: work structure
  */
 static void phy_mdm6600_status(struct work_struct *work)
 {

drivers/phy/phy-core.c

@@ -1062,6 +1062,7 @@ EXPORT_SYMBOL_GPL(__of_phy_provider_register);
  * __devm_of_phy_provider_register() - create/register phy provider with the
  * framework
  * @dev: struct device of the phy provider
+ * @children: device node containing children (if different from dev->of_node)
  * @owner: the module owner containing of_xlate
  * @of_xlate: function pointer to obtain phy instance from phy provider
  *
@@ -1117,12 +1118,14 @@ EXPORT_SYMBOL_GPL(of_phy_provider_unregister);
 /**
  * devm_of_phy_provider_unregister() - remove phy provider from the framework
  * @dev: struct device of the phy provider
+ * @phy_provider: phy provider returned by of_phy_provider_register()
  *
  * destroys the devres associated with this phy provider and invokes
  * of_phy_provider_unregister to unregister the phy provider.
  */
 void devm_of_phy_provider_unregister(struct device *dev,
-	struct phy_provider *phy_provider) {
+	struct phy_provider *phy_provider)
+{
 	int r;
 
 	r = devres_destroy(dev, devm_phy_provider_release, devm_phy_match,

drivers/phy/phy-xgene.c

@@ -1615,7 +1615,7 @@ static struct phy *xgene_phy_xlate(struct device *dev,
 
 	if (args->args_count <= 0)
 		return ERR_PTR(-EINVAL);
-	if (args->args[0] < MODE_SATA || args->args[0] >= MODE_MAX)
+	if (args->args[0] >= MODE_MAX)
 		return ERR_PTR(-EINVAL);
 
 	ctx->mode = args->args[0];

drivers/phy/qualcomm/Kconfig

@@ -59,30 +59,6 @@ config PHY_QCOM_QUSB2
 	  PHY which is usually paired with either the ChipIdea or Synopsys DWC3
 	  USB IPs on MSM SOCs.
 
-config PHY_QCOM_UFS
-	tristate "Qualcomm UFS PHY driver"
-	depends on OF && ARCH_QCOM
-	select GENERIC_PHY
-	help
-	  Support for UFS PHY on QCOM chipsets.
-
-if PHY_QCOM_UFS
-
-config PHY_QCOM_UFS_14NM
-	tristate
-	default PHY_QCOM_UFS
-	help
-	  Support for 14nm UFS QMP phy present on QCOM chipsets.
-
-config PHY_QCOM_UFS_20NM
-	tristate
-	default PHY_QCOM_UFS
-	depends on BROKEN
-	help
-	  Support for 20nm UFS QMP phy present on QCOM chipsets.
-
-endif
-
 config PHY_QCOM_USB_HS
 	tristate "Qualcomm USB HS PHY module"
 	depends on USB_ULPI_BUS
@@ -128,3 +104,13 @@ config PHY_QCOM_USB_SS
 	help
 	  Enable this to support the Super-Speed USB transceiver on various
 	  Qualcomm chipsets.
+
+config PHY_QCOM_IPQ806X_USB
+	tristate "Qualcomm IPQ806x DWC3 USB PHY driver"
+	depends on HAS_IOMEM
+	depends on OF && (ARCH_QCOM || COMPILE_TEST)
+	select GENERIC_PHY
+	help
+	  This option enables support for the Synopsis PHYs present inside the
+	  Qualcomm USB3.0 DWC3 controller on ipq806x SoC. This driver supports
+	  both HS and SS PHY controllers.

drivers/phy/qualcomm/Makefile

@@ -6,11 +6,9 @@ obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA)	+= phy-qcom-ipq806x-sata.o
 obj-$(CONFIG_PHY_QCOM_PCIE2)		+= phy-qcom-pcie2.o
 obj-$(CONFIG_PHY_QCOM_QMP)		+= phy-qcom-qmp.o
 obj-$(CONFIG_PHY_QCOM_QUSB2)		+= phy-qcom-qusb2.o
-obj-$(CONFIG_PHY_QCOM_UFS)		+= phy-qcom-ufs.o
-obj-$(CONFIG_PHY_QCOM_UFS_14NM)		+= phy-qcom-ufs-qmp-14nm.o
-obj-$(CONFIG_PHY_QCOM_UFS_20NM)		+= phy-qcom-ufs-qmp-20nm.o
 obj-$(CONFIG_PHY_QCOM_USB_HS) 		+= phy-qcom-usb-hs.o
 obj-$(CONFIG_PHY_QCOM_USB_HSIC) 	+= phy-qcom-usb-hsic.o
 obj-$(CONFIG_PHY_QCOM_USB_HS_28NM)	+= phy-qcom-usb-hs-28nm.o
 obj-$(CONFIG_PHY_QCOM_USB_SS)		+= phy-qcom-usb-ss.o
 obj-$(CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2)+= phy-qcom-snps-femto-v2.o
+obj-$(CONFIG_PHY_QCOM_IPQ806X_USB)		+= phy-qcom-ipq806x-usb.o

drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c

@@ -0,0 +1,571 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+
+/* USB QSCRATCH Hardware registers */
+#define QSCRATCH_GENERAL_CFG		(0x08)
+#define HSUSB_PHY_CTRL_REG		(0x10)
+
+/* PHY_CTRL_REG */
+#define HSUSB_CTRL_DMSEHV_CLAMP		BIT(24)
+#define HSUSB_CTRL_USB2_SUSPEND		BIT(23)
+#define HSUSB_CTRL_UTMI_CLK_EN		BIT(21)
+#define HSUSB_CTRL_UTMI_OTG_VBUS_VALID	BIT(20)
+#define HSUSB_CTRL_USE_CLKCORE		BIT(18)
+#define HSUSB_CTRL_DPSEHV_CLAMP		BIT(17)
+#define HSUSB_CTRL_COMMONONN		BIT(11)
+#define HSUSB_CTRL_ID_HV_CLAMP		BIT(9)
+#define HSUSB_CTRL_OTGSESSVLD_CLAMP	BIT(8)
+#define HSUSB_CTRL_CLAMP_EN		BIT(7)
+#define HSUSB_CTRL_RETENABLEN		BIT(1)
+#define HSUSB_CTRL_POR			BIT(0)
+
+/* QSCRATCH_GENERAL_CFG */
+#define HSUSB_GCFG_XHCI_REV		BIT(2)
+
+/* USB QSCRATCH Hardware registers */
+#define SSUSB_PHY_CTRL_REG		(0x00)
+#define SSUSB_PHY_PARAM_CTRL_1		(0x04)
+#define SSUSB_PHY_PARAM_CTRL_2		(0x08)
+#define CR_PROTOCOL_DATA_IN_REG		(0x0c)
+#define CR_PROTOCOL_DATA_OUT_REG	(0x10)
+#define CR_PROTOCOL_CAP_ADDR_REG	(0x14)
+#define CR_PROTOCOL_CAP_DATA_REG	(0x18)
+#define CR_PROTOCOL_READ_REG		(0x1c)
+#define CR_PROTOCOL_WRITE_REG		(0x20)
+
+/* PHY_CTRL_REG */
+#define SSUSB_CTRL_REF_USE_PAD		BIT(28)
+#define SSUSB_CTRL_TEST_POWERDOWN	BIT(27)
+#define SSUSB_CTRL_LANE0_PWR_PRESENT	BIT(24)
+#define SSUSB_CTRL_SS_PHY_EN		BIT(8)
+#define SSUSB_CTRL_SS_PHY_RESET		BIT(7)
+
+/* SSPHY control registers - Does this need 0x30? */
+#define SSPHY_CTRL_RX_OVRD_IN_HI(lane)	(0x1006 + 0x100 * (lane))
+#define SSPHY_CTRL_TX_OVRD_DRV_LO(lane)	(0x1002 + 0x100 * (lane))
+
+/* SSPHY SoC version specific values */
+#define SSPHY_RX_EQ_VALUE		4 /* Override value for rx_eq */
+/* Override value for transmit preemphasis */
+#define SSPHY_TX_DEEMPH_3_5DB		23
+/* Override value for mpll */
+#define SSPHY_MPLL_VALUE		0
+
+/* QSCRATCH PHY_PARAM_CTRL1 fields */
+#define PHY_PARAM_CTRL1_TX_FULL_SWING_MASK	GENMASK(26, 19)
+#define PHY_PARAM_CTRL1_TX_DEEMPH_6DB_MASK	GENMASK(19, 13)
+#define PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB_MASK	GENMASK(13, 7)
+#define PHY_PARAM_CTRL1_LOS_BIAS_MASK		GENMASK(7, 2)
+
+#define PHY_PARAM_CTRL1_MASK				\
+		(PHY_PARAM_CTRL1_TX_FULL_SWING_MASK |	\
+		 PHY_PARAM_CTRL1_TX_DEEMPH_6DB_MASK |	\
+		 PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB_MASK |	\
+		 PHY_PARAM_CTRL1_LOS_BIAS_MASK)
+
+#define PHY_PARAM_CTRL1_TX_FULL_SWING(x)	\
+		(((x) << 20) & PHY_PARAM_CTRL1_TX_FULL_SWING_MASK)
+#define PHY_PARAM_CTRL1_TX_DEEMPH_6DB(x)	\
+		(((x) << 14) & PHY_PARAM_CTRL1_TX_DEEMPH_6DB_MASK)
+#define PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB(x)	\
+		(((x) <<  8) & PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB_MASK)
+#define PHY_PARAM_CTRL1_LOS_BIAS(x)	\
+		(((x) <<  3) & PHY_PARAM_CTRL1_LOS_BIAS_MASK)
+
+/* RX OVRD IN HI bits */
+#define RX_OVRD_IN_HI_RX_RESET_OVRD		BIT(13)
+#define RX_OVRD_IN_HI_RX_RX_RESET		BIT(12)
+#define RX_OVRD_IN_HI_RX_EQ_OVRD		BIT(11)
+#define RX_OVRD_IN_HI_RX_EQ_MASK		GENMASK(10, 7)
+#define RX_OVRD_IN_HI_RX_EQ(x)			((x) << 8)
+#define RX_OVRD_IN_HI_RX_EQ_EN_OVRD		BIT(7)
+#define RX_OVRD_IN_HI_RX_EQ_EN			BIT(6)
+#define RX_OVRD_IN_HI_RX_LOS_FILTER_OVRD	BIT(5)
+#define RX_OVRD_IN_HI_RX_LOS_FILTER_MASK	GENMASK(4, 2)
+#define RX_OVRD_IN_HI_RX_RATE_OVRD		BIT(2)
+#define RX_OVRD_IN_HI_RX_RATE_MASK		GENMASK(2, 0)
+
+/* TX OVRD DRV LO register bits */
+#define TX_OVRD_DRV_LO_AMPLITUDE_MASK		GENMASK(6, 0)
+#define TX_OVRD_DRV_LO_PREEMPH_MASK		GENMASK(13, 6)
+#define TX_OVRD_DRV_LO_PREEMPH(x)		((x) << 7)
+#define TX_OVRD_DRV_LO_EN			BIT(14)
+
+/* MPLL bits */
+#define SSPHY_MPLL_MASK				GENMASK(8, 5)
+#define SSPHY_MPLL(x)				((x) << 5)
+
+/* SS CAP register bits */
+#define SS_CR_CAP_ADDR_REG			BIT(0)
+#define SS_CR_CAP_DATA_REG			BIT(0)
+#define SS_CR_READ_REG				BIT(0)
+#define SS_CR_WRITE_REG				BIT(0)
+
+struct usb_phy {
+	void __iomem		*base;
+	struct device		*dev;
+	struct clk		*xo_clk;
+	struct clk		*ref_clk;
+	u32			rx_eq;
+	u32			tx_deamp_3_5db;
+	u32			mpll;
+};
+
+struct phy_drvdata {
+	struct phy_ops	ops;
+	u32		clk_rate;
+};
+
+/**
+ * Write register and read back masked value to confirm it is written
+ *
+ * @base - QCOM DWC3 PHY base virtual address.
+ * @offset - register offset.
+ * @mask - register bitmask specifying what should be updated
+ * @val - value to write.
+ */
+static inline void usb_phy_write_readback(struct usb_phy *phy_dwc3,
+					  u32 offset,
+					  const u32 mask, u32 val)
+{
+	u32 write_val, tmp = readl(phy_dwc3->base + offset);
+
+	tmp &= ~mask;		/* retain other bits */
+	write_val = tmp | val;
+
+	writel(write_val, phy_dwc3->base + offset);
+
+	/* Read back to see if val was written */
+	tmp = readl(phy_dwc3->base + offset);
+	tmp &= mask;		/* clear other bits */
+
+	if (tmp != val)
+		dev_err(phy_dwc3->dev, "write: %x to QSCRATCH: %x FAILED\n", val, offset);
+}
+
+static int wait_for_latch(void __iomem *addr)
+{
+	u32 retry = 10;
+
+	while (true) {
+		if (!readl(addr))
+			break;
+
+		if (--retry == 0)
+			return -ETIMEDOUT;
+
+		usleep_range(10, 20);
+	}
+
+	return 0;
+}
+
+/**
+ * Write SSPHY register
+ *
+ * @base - QCOM DWC3 PHY base virtual address.
+ * @addr - SSPHY address to write.
+ * @val - value to write.
+ */
+static int usb_ss_write_phycreg(struct usb_phy *phy_dwc3,
+				u32 addr, u32 val)
+{
+	int ret;
+
+	writel(addr, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG);
+	writel(SS_CR_CAP_ADDR_REG,
+	       phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
+
+	ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
+	if (ret)
+		goto err_wait;
+
+	writel(val, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG);
+	writel(SS_CR_CAP_DATA_REG,
+	       phy_dwc3->base + CR_PROTOCOL_CAP_DATA_REG);
+
+	ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_DATA_REG);
+	if (ret)
+		goto err_wait;
+
+	writel(SS_CR_WRITE_REG, phy_dwc3->base + CR_PROTOCOL_WRITE_REG);
+
+	ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_WRITE_REG);
+
+err_wait:
+	if (ret)
+		dev_err(phy_dwc3->dev, "timeout waiting for latch\n");
+	return ret;
+}
+
+/**
+ * Read SSPHY register.
+ *
+ * @base - QCOM DWC3 PHY base virtual address.
+ * @addr - SSPHY address to read.
+ */
+static int usb_ss_read_phycreg(struct usb_phy *phy_dwc3,
+			       u32 addr, u32 *val)
+{
+	int ret;
+
+	writel(addr, phy_dwc3->base + CR_PROTOCOL_DATA_IN_REG);
+	writel(SS_CR_CAP_ADDR_REG,
+	       phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
+
+	ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_CAP_ADDR_REG);
+	if (ret)
+		goto err_wait;
+
+	/*
+	 * Due to hardware bug, first read of SSPHY register might be
+	 * incorrect. Hence as workaround, SW should perform SSPHY register
+	 * read twice, but use only second read and ignore first read.
+	 */
+	writel(SS_CR_READ_REG, phy_dwc3->base + CR_PROTOCOL_READ_REG);
+
+	ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_READ_REG);
+	if (ret)
+		goto err_wait;
+
+	/* throwaway read */
+	readl(phy_dwc3->base + CR_PROTOCOL_DATA_OUT_REG);
+
+	writel(SS_CR_READ_REG, phy_dwc3->base + CR_PROTOCOL_READ_REG);
+
+	ret = wait_for_latch(phy_dwc3->base + CR_PROTOCOL_READ_REG);
+	if (ret)
+		goto err_wait;
+
+	*val = readl(phy_dwc3->base + CR_PROTOCOL_DATA_OUT_REG);
+
+err_wait:
+	return ret;
+}
+
+static int qcom_ipq806x_usb_hs_phy_init(struct phy *phy)
+{
+	struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
+	int ret;
+	u32 val;
+
+	ret = clk_prepare_enable(phy_dwc3->xo_clk);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(phy_dwc3->ref_clk);
+	if (ret) {
+		clk_disable_unprepare(phy_dwc3->xo_clk);
+		return ret;
+	}
+
+	/*
+	 * HSPHY Initialization: Enable UTMI clock, select 19.2MHz fsel
+	 * enable clamping, and disable RETENTION (power-on default is ENABLED)
+	 */
+	val = HSUSB_CTRL_DPSEHV_CLAMP | HSUSB_CTRL_DMSEHV_CLAMP |
+		HSUSB_CTRL_RETENABLEN  | HSUSB_CTRL_COMMONONN |
+		HSUSB_CTRL_OTGSESSVLD_CLAMP | HSUSB_CTRL_ID_HV_CLAMP |
+		HSUSB_CTRL_DPSEHV_CLAMP | HSUSB_CTRL_UTMI_OTG_VBUS_VALID |
+		HSUSB_CTRL_UTMI_CLK_EN | HSUSB_CTRL_CLAMP_EN | 0x70;
+
+	/* use core clock if external reference is not present */
+	if (!phy_dwc3->xo_clk)
+		val |= HSUSB_CTRL_USE_CLKCORE;
+
+	writel(val, phy_dwc3->base + HSUSB_PHY_CTRL_REG);
+	usleep_range(2000, 2200);
+
+	/* Disable (bypass) VBUS and ID filters */
+	writel(HSUSB_GCFG_XHCI_REV, phy_dwc3->base + QSCRATCH_GENERAL_CFG);
+
+	return 0;
+}
+
+static int qcom_ipq806x_usb_hs_phy_exit(struct phy *phy)
+{
+	struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
+
+	clk_disable_unprepare(phy_dwc3->ref_clk);
+	clk_disable_unprepare(phy_dwc3->xo_clk);
+
+	return 0;
+}
+
+static int qcom_ipq806x_usb_ss_phy_init(struct phy *phy)
+{
+	struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
+	int ret;
+	u32 data;
+
+	ret = clk_prepare_enable(phy_dwc3->xo_clk);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(phy_dwc3->ref_clk);
+	if (ret) {
+		clk_disable_unprepare(phy_dwc3->xo_clk);
+		return ret;
+	}
+
+	/* reset phy */
+	data = readl(phy_dwc3->base + SSUSB_PHY_CTRL_REG);
+	writel(data | SSUSB_CTRL_SS_PHY_RESET,
+	       phy_dwc3->base + SSUSB_PHY_CTRL_REG);
+	usleep_range(2000, 2200);
+	writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG);
+
+	/* clear REF_PAD if we don't have XO clk */
+	if (!phy_dwc3->xo_clk)
+		data &= ~SSUSB_CTRL_REF_USE_PAD;
+	else
+		data |= SSUSB_CTRL_REF_USE_PAD;
+
+	writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG);
+
+	/* wait for ref clk to become stable, this can take up to 30ms */
+	msleep(30);
+
+	data |= SSUSB_CTRL_SS_PHY_EN | SSUSB_CTRL_LANE0_PWR_PRESENT;
+	writel(data, phy_dwc3->base + SSUSB_PHY_CTRL_REG);
+
+	/*
+	 * WORKAROUND: There is SSPHY suspend bug due to which USB enumerates
+	 * in HS mode instead of SS mode. Workaround it by asserting
+	 * LANE0.TX_ALT_BLOCK.EN_ALT_BUS to enable TX to use alt bus mode
+	 */
+	ret = usb_ss_read_phycreg(phy_dwc3, 0x102D, &data);
+	if (ret)
+		goto err_phy_trans;
+
+	data |= (1 << 7);
+	ret = usb_ss_write_phycreg(phy_dwc3, 0x102D, data);
+	if (ret)
+		goto err_phy_trans;
+
+	ret = usb_ss_read_phycreg(phy_dwc3, 0x1010, &data);
+	if (ret)
+		goto err_phy_trans;
+
+	data &= ~0xff0;
+	data |= 0x20;
+	ret = usb_ss_write_phycreg(phy_dwc3, 0x1010, data);
+	if (ret)
+		goto err_phy_trans;
+
+	/*
+	 * Fix RX Equalization setting as follows
+	 * LANE0.RX_OVRD_IN_HI. RX_EQ_EN set to 0
+	 * LANE0.RX_OVRD_IN_HI.RX_EQ_EN_OVRD set to 1
+	 * LANE0.RX_OVRD_IN_HI.RX_EQ set based on SoC version
+	 * LANE0.RX_OVRD_IN_HI.RX_EQ_OVRD set to 1
+	 */
+	ret = usb_ss_read_phycreg(phy_dwc3, SSPHY_CTRL_RX_OVRD_IN_HI(0), &data);
+	if (ret)
+		goto err_phy_trans;
+
+	data &= ~RX_OVRD_IN_HI_RX_EQ_EN;
+	data |= RX_OVRD_IN_HI_RX_EQ_EN_OVRD;
+	data &= ~RX_OVRD_IN_HI_RX_EQ_MASK;
+	data |= RX_OVRD_IN_HI_RX_EQ(phy_dwc3->rx_eq);
+	data |= RX_OVRD_IN_HI_RX_EQ_OVRD;
+	ret = usb_ss_write_phycreg(phy_dwc3,
+				   SSPHY_CTRL_RX_OVRD_IN_HI(0), data);
+	if (ret)
+		goto err_phy_trans;
+
+	/*
+	 * Set EQ and TX launch amplitudes as follows
+	 * LANE0.TX_OVRD_DRV_LO.PREEMPH set based on SoC version
+	 * LANE0.TX_OVRD_DRV_LO.AMPLITUDE set to 110
+	 * LANE0.TX_OVRD_DRV_LO.EN set to 1.
+	 */
+	ret = usb_ss_read_phycreg(phy_dwc3,
+				  SSPHY_CTRL_TX_OVRD_DRV_LO(0), &data);
+	if (ret)
+		goto err_phy_trans;
+
+	data &= ~TX_OVRD_DRV_LO_PREEMPH_MASK;
+	data |= TX_OVRD_DRV_LO_PREEMPH(phy_dwc3->tx_deamp_3_5db);
+	data &= ~TX_OVRD_DRV_LO_AMPLITUDE_MASK;
+	data |= 0x6E;
+	data |= TX_OVRD_DRV_LO_EN;
+	ret = usb_ss_write_phycreg(phy_dwc3,
+				   SSPHY_CTRL_TX_OVRD_DRV_LO(0), data);
+	if (ret)
+		goto err_phy_trans;
+
+	data = 0;
+	data &= ~SSPHY_MPLL_MASK;
+	data |= SSPHY_MPLL(phy_dwc3->mpll);
+	usb_ss_write_phycreg(phy_dwc3, 0x30, data);
+
+	/*
+	 * Set the QSCRATCH PHY_PARAM_CTRL1 parameters as follows
+	 * TX_FULL_SWING [26:20] amplitude to 110
+	 * TX_DEEMPH_6DB [19:14] to 32
+	 * TX_DEEMPH_3_5DB [13:8] set based on SoC version
+	 * LOS_BIAS [7:3] to 9
+	 */
+	data = readl(phy_dwc3->base + SSUSB_PHY_PARAM_CTRL_1);
+
+	data &= ~PHY_PARAM_CTRL1_MASK;
+
+	data |= PHY_PARAM_CTRL1_TX_FULL_SWING(0x6e) |
+		PHY_PARAM_CTRL1_TX_DEEMPH_6DB(0x20) |
+		PHY_PARAM_CTRL1_TX_DEEMPH_3_5DB(phy_dwc3->tx_deamp_3_5db) |
+		PHY_PARAM_CTRL1_LOS_BIAS(0x9);
+
+	usb_phy_write_readback(phy_dwc3, SSUSB_PHY_PARAM_CTRL_1,
+			       PHY_PARAM_CTRL1_MASK, data);
+
+err_phy_trans:
+	return ret;
+}
+
+static int qcom_ipq806x_usb_ss_phy_exit(struct phy *phy)
+{
+	struct usb_phy *phy_dwc3 = phy_get_drvdata(phy);
+
+	/* Sequence to put SSPHY in low power state:
+	 * 1. Clear REF_PHY_EN in PHY_CTRL_REG
+	 * 2. Clear REF_USE_PAD in PHY_CTRL_REG
+	 * 3. Set TEST_POWERED_DOWN in PHY_CTRL_REG to enable PHY retention
+	 */
+	usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG,
+			       SSUSB_CTRL_SS_PHY_EN, 0x0);
+	usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG,
+			       SSUSB_CTRL_REF_USE_PAD, 0x0);
+	usb_phy_write_readback(phy_dwc3, SSUSB_PHY_CTRL_REG,
+			       SSUSB_CTRL_TEST_POWERDOWN, 0x0);
+
+	clk_disable_unprepare(phy_dwc3->ref_clk);
+	clk_disable_unprepare(phy_dwc3->xo_clk);
+
+	return 0;
+}
+
+static const struct phy_drvdata qcom_ipq806x_usb_hs_drvdata = {
+	.ops = {
+		.init		= qcom_ipq806x_usb_hs_phy_init,
+		.exit		= qcom_ipq806x_usb_hs_phy_exit,
+		.owner		= THIS_MODULE,
+	},
+	.clk_rate = 60000000,
+};
+
+static const struct phy_drvdata qcom_ipq806x_usb_ss_drvdata = {
+	.ops = {
+		.init		= qcom_ipq806x_usb_ss_phy_init,
+		.exit		= qcom_ipq806x_usb_ss_phy_exit,
+		.owner		= THIS_MODULE,
+	},
+	.clk_rate = 125000000,
+};
+
+static const struct of_device_id qcom_ipq806x_usb_phy_table[] = {
+	{ .compatible = "qcom,ipq806x-usb-phy-hs",
+	  .data = &qcom_ipq806x_usb_hs_drvdata },
+	{ .compatible = "qcom,ipq806x-usb-phy-ss",
+	  .data = &qcom_ipq806x_usb_ss_drvdata },
+	{ /* Sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, qcom_ipq806x_usb_phy_table);
+
+static int qcom_ipq806x_usb_phy_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+	resource_size_t size;
+	struct phy *generic_phy;
+	struct usb_phy *phy_dwc3;
+	const struct phy_drvdata *data;
+	struct phy_provider *phy_provider;
+
+	phy_dwc3 = devm_kzalloc(&pdev->dev, sizeof(*phy_dwc3), GFP_KERNEL);
+	if (!phy_dwc3)
+		return -ENOMEM;
+
+	data = of_device_get_match_data(&pdev->dev);
+
+	phy_dwc3->dev = &pdev->dev;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -EINVAL;
+	size = resource_size(res);
+	phy_dwc3->base = devm_ioremap(phy_dwc3->dev, res->start, size);
+
+	if (IS_ERR(phy_dwc3->base)) {
+		dev_err(phy_dwc3->dev, "failed to map reg\n");
+		return PTR_ERR(phy_dwc3->base);
+	}
+
+	phy_dwc3->ref_clk = devm_clk_get(phy_dwc3->dev, "ref");
+	if (IS_ERR(phy_dwc3->ref_clk)) {
+		dev_dbg(phy_dwc3->dev, "cannot get reference clock\n");
+		return PTR_ERR(phy_dwc3->ref_clk);
+	}
+
+	clk_set_rate(phy_dwc3->ref_clk, data->clk_rate);
+
+	phy_dwc3->xo_clk = devm_clk_get(phy_dwc3->dev, "xo");
+	if (IS_ERR(phy_dwc3->xo_clk)) {
+		dev_dbg(phy_dwc3->dev, "cannot get TCXO clock\n");
+		phy_dwc3->xo_clk = NULL;
+	}
+
+	/* Parse device node to probe HSIO settings */
+	if (device_property_read_u32(&pdev->dev, "qcom,rx-eq",
+				     &phy_dwc3->rx_eq))
+		phy_dwc3->rx_eq = SSPHY_RX_EQ_VALUE;
+
+	if (device_property_read_u32(&pdev->dev, "qcom,tx-deamp_3_5db",
+				     &phy_dwc3->tx_deamp_3_5db))
+		phy_dwc3->tx_deamp_3_5db = SSPHY_TX_DEEMPH_3_5DB;
+
+	if (device_property_read_u32(&pdev->dev, "qcom,mpll", &phy_dwc3->mpll))
+		phy_dwc3->mpll = SSPHY_MPLL_VALUE;
+
+	generic_phy = devm_phy_create(phy_dwc3->dev, pdev->dev.of_node, &data->ops);
+
+	if (IS_ERR(generic_phy))
+		return PTR_ERR(generic_phy);
+
+	phy_set_drvdata(generic_phy, phy_dwc3);
+	platform_set_drvdata(pdev, phy_dwc3);
+
+	phy_provider = devm_of_phy_provider_register(phy_dwc3->dev,
+						     of_phy_simple_xlate);
+
+	if (IS_ERR(phy_provider))
+		return PTR_ERR(phy_provider);
+
+	return 0;
+}
+
+static struct platform_driver qcom_ipq806x_usb_phy_driver = {
+	.probe		= qcom_ipq806x_usb_phy_probe,
+	.driver		= {
+		.name	= "qcom-ipq806x-usb-phy",
+		.owner	= THIS_MODULE,
+		.of_match_table = qcom_ipq806x_usb_phy_table,
+	},
+};
+
+module_platform_driver(qcom_ipq806x_usb_phy_driver);
+
+MODULE_ALIAS("platform:phy-qcom-ipq806x-usb");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Andy Gross <agross@codeaurora.org>");
+MODULE_AUTHOR("Ivan T. Ivanov <iivanov@mm-sol.com>");
+MODULE_DESCRIPTION("DesignWare USB3 QCOM PHY driver");

drivers/phy/qualcomm/phy-qcom-qmp.c

@@ -82,20 +82,34 @@ struct qmp_phy_init_tbl {
 	 * register part of layout ?
 	 * if yes, then offset gives index in the reg-layout
 	 */
-	int in_layout;
+	bool in_layout;
+	/*
+	 * mask of lanes for which this register is written
+	 * for cases when second lane needs different values
+	 */
+	u8 lane_mask;
 };
 
 #define QMP_PHY_INIT_CFG(o, v)		\
 	{				\
 		.offset = o,		\
 		.val = v,		\
+		.lane_mask = 0xff,	\
 	}
 
 #define QMP_PHY_INIT_CFG_L(o, v)	\
 	{				\
 		.offset = o,		\
 		.val = v,		\
-		.in_layout = 1,		\
+		.in_layout = true,	\
+		.lane_mask = 0xff,	\
+	}
+
+#define QMP_PHY_INIT_CFG_LANE(o, v, l)	\
+	{				\
+		.offset = o,		\
+		.val = v,		\
+		.lane_mask = l,		\
 	}
 
 /* set of registers with offsets different per-PHY */
@@ -185,6 +199,17 @@ static const unsigned int qmp_v4_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
 	[QPHY_START_CTRL]		= 0x44,
 	[QPHY_PCS_STATUS]		= 0x14,
 	[QPHY_PCS_POWER_DOWN_CONTROL]	= 0x40,
+	[QPHY_PCS_AUTONOMOUS_MODE_CTRL]	= 0x308,
+	[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x314,
+};
+
+static const unsigned int qmp_v4_usb3_uniphy_regs_layout[QPHY_LAYOUT_SIZE] = {
+	[QPHY_SW_RESET]			= 0x00,
+	[QPHY_START_CTRL]		= 0x44,
+	[QPHY_PCS_STATUS]		= 0x14,
+	[QPHY_PCS_POWER_DOWN_CONTROL]	= 0x40,
+	[QPHY_PCS_AUTONOMOUS_MODE_CTRL]	= 0x608,
+	[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR]  = 0x614,
 };
 
 static const unsigned int sdm845_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
@@ -198,6 +223,81 @@ static const unsigned int sm8150_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
 	[QPHY_SW_RESET]			= QPHY_V4_PCS_UFS_SW_RESET,
 };
 
+static const struct qmp_phy_init_tbl ipq8074_usb3_serdes_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x1a),
+	QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30),
+	QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
+	QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x06),
+	/* PLL and Loop filter settings */
+	QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55),
+	QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55),
+	QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x03),
+	QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
+	QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
+	QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80),
+	QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x15),
+	QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x34),
+	QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_CFG, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x0a),
+	/* SSC settings */
+	QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31),
+	QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0xde),
+	QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x07),
+};
+
+static const struct qmp_phy_init_tbl ipq8074_usb3_rx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4c),
+	QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xb8),
+	QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
+	QMP_PHY_INIT_CFG(QSERDES_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
+	QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x03),
+	QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_ENABLES, 0x0),
+};
+
+static const struct qmp_phy_init_tbl ipq8074_usb3_pcs_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0e),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x85),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x88),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x17),
+	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0f),
+};
+
 static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {
 	QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x1c),
 	QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10),
@@ -1399,6 +1499,250 @@ static const struct qmp_phy_init_tbl sm8150_usb3_pcs_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
 };
 
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_serdes_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x1a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0xab),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0xea),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xca),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE0, 0x24),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x34),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE2_MODE1, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE1, 0x24),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE1, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE1, 0xab),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE1, 0xea),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE1, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x34),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xca),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x1e),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_CMN_IPTRIM, 0x20),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_EN_CENTER, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER1, 0x31),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER2, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1, 0xde),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1, 0x07),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0, 0xde),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0, 0x07),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02),
+};
+
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_tx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x95),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x40),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x05),
+};
+
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_rx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0xb8),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x37),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x2f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0xef),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb3),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x0b),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x20),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
+};
+
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_pcs_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_RXEQTRAINING_DFE_TIME_S2, 0x07),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0f),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_tx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_TX, 0x60),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_RX, 0x60),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
+	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x40, 1),
+	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x54, 2),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_rx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
+	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0xff, 1),
+	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f, 2),
+	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x7f, 1),
+	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xff, 2),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x97),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x7b),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb4),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VTH_CODE, 0x10),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_pcs_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xa9),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_tx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_2, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x40),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x02),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_rx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0xb8),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0xbf),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb4),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x7b),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
+};
+
+static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_pcs_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xa9),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_RXEQTRAINING_DFE_TIME_S2, 0x07),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
+};
+
 /* struct qmp_phy_cfg - per-PHY initialization config */
 struct qmp_phy_cfg {
 	/* phy-type - PCIE/UFS/USB */
@@ -1567,6 +1911,11 @@ static const char * const qmp_v4_phy_clk_l[] = {
 	"aux", "ref_clk_src", "ref", "com_aux",
 };
 
+/* the primary usb3 phy on sm8250 doesn't have a ref clock */
+static const char * const qmp_v4_sm8250_usbphy_clk_l[] = {
+	"aux", "ref_clk_src", "com_aux"
+};
+
 static const char * const sdm845_ufs_phy_clk_l[] = {
 	"ref", "ref_aux",
 };
@@ -1593,6 +1942,30 @@ static const char * const qmp_phy_vreg_l[] = {
 	"vdda-phy", "vdda-pll",
 };
 
+static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = {
+	.type			= PHY_TYPE_USB3,
+	.nlanes			= 1,
+
+	.serdes_tbl		= ipq8074_usb3_serdes_tbl,
+	.serdes_tbl_num		= ARRAY_SIZE(ipq8074_usb3_serdes_tbl),
+	.tx_tbl			= msm8996_usb3_tx_tbl,
+	.tx_tbl_num		= ARRAY_SIZE(msm8996_usb3_tx_tbl),
+	.rx_tbl			= ipq8074_usb3_rx_tbl,
+	.rx_tbl_num		= ARRAY_SIZE(ipq8074_usb3_rx_tbl),
+	.pcs_tbl		= ipq8074_usb3_pcs_tbl,
+	.pcs_tbl_num		= ARRAY_SIZE(ipq8074_usb3_pcs_tbl),
+	.clk_list		= msm8996_phy_clk_l,
+	.num_clks		= ARRAY_SIZE(msm8996_phy_clk_l),
+	.reset_list		= msm8996_usb3phy_reset_l,
+	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
+	.vreg_list		= qmp_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
+	.regs			= usb3phy_regs_layout,
+
+	.start_ctrl		= SERDES_START | PCS_START,
+	.pwrdn_ctrl		= SW_PWRDN,
+};
+
 static const struct qmp_phy_cfg msm8996_pciephy_cfg = {
 	.type			= PHY_TYPE_PCIE,
 	.nlanes			= 3,
@@ -1986,10 +2359,98 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
 	.is_dual_lane_phy	= true,
 };
 
-static void qcom_qmp_phy_configure(void __iomem *base,
+static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = {
+	.type			= PHY_TYPE_USB3,
+	.nlanes			= 1,
+
+	.serdes_tbl		= sm8150_usb3_uniphy_serdes_tbl,
+	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
+	.tx_tbl			= sm8150_usb3_uniphy_tx_tbl,
+	.tx_tbl_num		= ARRAY_SIZE(sm8150_usb3_uniphy_tx_tbl),
+	.rx_tbl			= sm8150_usb3_uniphy_rx_tbl,
+	.rx_tbl_num		= ARRAY_SIZE(sm8150_usb3_uniphy_rx_tbl),
+	.pcs_tbl		= sm8150_usb3_uniphy_pcs_tbl,
+	.pcs_tbl_num		= ARRAY_SIZE(sm8150_usb3_uniphy_pcs_tbl),
+	.clk_list		= qmp_v4_phy_clk_l,
+	.num_clks		= ARRAY_SIZE(qmp_v4_phy_clk_l),
+	.reset_list		= msm8996_usb3phy_reset_l,
+	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
+	.vreg_list		= qmp_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
+	.regs			= qmp_v4_usb3_uniphy_regs_layout,
+
+	.start_ctrl		= SERDES_START | PCS_START,
+	.pwrdn_ctrl		= SW_PWRDN,
+
+	.has_pwrdn_delay	= true,
+	.pwrdn_delay_min	= POWER_DOWN_DELAY_US_MIN,
+	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
+};
+
+static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
+	.type			= PHY_TYPE_USB3,
+	.nlanes			= 1,
+
+	.serdes_tbl		= sm8150_usb3_serdes_tbl,
+	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_serdes_tbl),
+	.tx_tbl			= sm8250_usb3_tx_tbl,
+	.tx_tbl_num		= ARRAY_SIZE(sm8250_usb3_tx_tbl),
+	.rx_tbl			= sm8250_usb3_rx_tbl,
+	.rx_tbl_num		= ARRAY_SIZE(sm8250_usb3_rx_tbl),
+	.pcs_tbl		= sm8250_usb3_pcs_tbl,
+	.pcs_tbl_num		= ARRAY_SIZE(sm8250_usb3_pcs_tbl),
+	.clk_list		= qmp_v4_sm8250_usbphy_clk_l,
+	.num_clks		= ARRAY_SIZE(qmp_v4_sm8250_usbphy_clk_l),
+	.reset_list		= msm8996_usb3phy_reset_l,
+	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
+	.vreg_list		= qmp_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
+	.regs			= qmp_v4_usb3phy_regs_layout,
+
+	.start_ctrl		= SERDES_START | PCS_START,
+	.pwrdn_ctrl		= SW_PWRDN,
+
+	.has_pwrdn_delay	= true,
+	.pwrdn_delay_min	= POWER_DOWN_DELAY_US_MIN,
+	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
+
+	.has_phy_dp_com_ctrl	= true,
+	.is_dual_lane_phy	= true,
+};
+
+static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = {
+	.type			= PHY_TYPE_USB3,
+	.nlanes			= 1,
+
+	.serdes_tbl		= sm8150_usb3_uniphy_serdes_tbl,
+	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
+	.tx_tbl			= sm8250_usb3_uniphy_tx_tbl,
+	.tx_tbl_num		= ARRAY_SIZE(sm8250_usb3_uniphy_tx_tbl),
+	.rx_tbl			= sm8250_usb3_uniphy_rx_tbl,
+	.rx_tbl_num		= ARRAY_SIZE(sm8250_usb3_uniphy_rx_tbl),
+	.pcs_tbl		= sm8250_usb3_uniphy_pcs_tbl,
+	.pcs_tbl_num		= ARRAY_SIZE(sm8250_usb3_uniphy_pcs_tbl),
+	.clk_list		= qmp_v4_phy_clk_l,
+	.num_clks		= ARRAY_SIZE(qmp_v4_phy_clk_l),
+	.reset_list		= msm8996_usb3phy_reset_l,
+	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
+	.vreg_list		= qmp_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
+	.regs			= qmp_v4_usb3_uniphy_regs_layout,
+
+	.start_ctrl		= SERDES_START | PCS_START,
+	.pwrdn_ctrl		= SW_PWRDN,
+
+	.has_pwrdn_delay	= true,
+	.pwrdn_delay_min	= POWER_DOWN_DELAY_US_MIN,
+	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
+};
+
+static void qcom_qmp_phy_configure_lane(void __iomem *base,
 					const unsigned int *regs,
 					const struct qmp_phy_init_tbl tbl[],
-				   int num)
+					int num,
+					u8 lane_mask)
 {
 	int i;
 	const struct qmp_phy_init_tbl *t = tbl;
@@ -1998,6 +2459,9 @@ static void qcom_qmp_phy_configure(void __iomem *base,
 		return;
 
 	for (i = 0; i < num; i++, t++) {
+		if (!(t->lane_mask & lane_mask))
+			continue;
+
 		if (t->in_layout)
 			writel(t->val, base + regs[t->offset]);
 		else
@@ -2005,6 +2469,14 @@ static void qcom_qmp_phy_configure(void __iomem *base,
 	}
 }
 
+static void qcom_qmp_phy_configure(void __iomem *base,
+				   const unsigned int *regs,
+				   const struct qmp_phy_init_tbl tbl[],
+				   int num)
+{
+	qcom_qmp_phy_configure_lane(base, regs, tbl, num, 0xff);
+}
+
 static int qcom_qmp_phy_com_init(struct qmp_phy *qphy)
 {
 	struct qcom_qmp *qmp = qphy->qmp;
@@ -2219,16 +2691,18 @@ static int qcom_qmp_phy_enable(struct phy *phy)
 	}
 
 	/* Tx, Rx, and PCS configurations */
-	qcom_qmp_phy_configure(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num);
+	qcom_qmp_phy_configure_lane(tx, cfg->regs,
+				    cfg->tx_tbl, cfg->tx_tbl_num, 1);
 	/* Configuration for other LANE for USB-DP combo PHY */
 	if (cfg->is_dual_lane_phy)
-		qcom_qmp_phy_configure(qphy->tx2, cfg->regs,
-				       cfg->tx_tbl, cfg->tx_tbl_num);
+		qcom_qmp_phy_configure_lane(qphy->tx2, cfg->regs,
+					    cfg->tx_tbl, cfg->tx_tbl_num, 2);
 
-	qcom_qmp_phy_configure(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num);
+	qcom_qmp_phy_configure_lane(rx, cfg->regs,
+				    cfg->rx_tbl, cfg->rx_tbl_num, 1);
 	if (cfg->is_dual_lane_phy)
-		qcom_qmp_phy_configure(qphy->rx2, cfg->regs,
-				       cfg->rx_tbl, cfg->rx_tbl_num);
+		qcom_qmp_phy_configure_lane(qphy->rx2, cfg->regs,
+					    cfg->rx_tbl, cfg->rx_tbl_num, 2);
 
 	qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
 	ret = reset_control_deassert(qmp->ufs_reset);
@@ -2699,6 +3173,9 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
 
 static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
 	{
+		.compatible = "qcom,ipq8074-qmp-usb3-phy",
+		.data = &ipq8074_usb3phy_cfg,
+	}, {
 		.compatible = "qcom,msm8996-qmp-pcie-phy",
 		.data = &msm8996_pciephy_cfg,
 	}, {
@@ -2746,6 +3223,15 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
 	}, {
 		.compatible = "qcom,sm8150-qmp-usb3-phy",
 		.data = &sm8150_usb3phy_cfg,
+	}, {
+		.compatible = "qcom,sm8150-qmp-usb3-uni-phy",
+		.data = &sm8150_usb3_uniphy_cfg,
+	}, {
+		.compatible = "qcom,sm8250-qmp-usb3-phy",
+		.data = &sm8250_usb3phy_cfg,
+	}, {
+		.compatible = "qcom,sm8250-qmp-usb3-uni-phy",
+		.data = &sm8250_usb3_uniphy_cfg,
 	},
 	{ },
 };

drivers/phy/qualcomm/phy-qcom-qmp.h

@@ -363,7 +363,10 @@
 /* Only for QMP V4 PHY - TX registers */
 #define QSERDES_V4_TX_RES_CODE_LANE_TX			0x34
 #define QSERDES_V4_TX_RES_CODE_LANE_RX			0x38
+#define QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX 		0x3c
+#define QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX 		0x40
 #define QSERDES_V4_TX_LANE_MODE_1			0x84
+#define QSERDES_V4_TX_LANE_MODE_2			0x88
 #define QSERDES_V4_TX_RCV_DETECT_LVL_2			0x9c
 #define QSERDES_V4_TX_PWM_GEAR_1_DIVIDER_BAND0_1	0xd8
 #define QSERDES_V4_TX_PWM_GEAR_2_DIVIDER_BAND0_1	0xdC
@@ -709,6 +712,10 @@
 #define QPHY_V4_PCS_USB3_SIGDET_STARTUP_TIMER_VAL	0x354
 #define QPHY_V4_PCS_USB3_TEST_CONTROL			0x358
 
+/* Only for QMP V4 PHY - UNI has 0x300 offset for PCS_USB3 regs */
+#define QPHY_V4_PCS_USB3_UNI_LFPS_DET_HIGH_COUNT_VAL	0x618
+#define QPHY_V4_PCS_USB3_UNI_RXEQTRAINING_DFE_TIME_S2	0x638
+
 /* Only for QMP V4 PHY - PCS_MISC registers */
 #define QPHY_V4_PCS_MISC_TYPEC_CTRL			0x00
 #define QPHY_V4_PCS_MISC_TYPEC_PWRDN_CTRL		0x04

drivers/phy/qualcomm/phy-qcom-qusb2.c

@@ -810,6 +810,9 @@ static const struct phy_ops qusb2_phy_gen_ops = {
 
 static const struct of_device_id qusb2_phy_of_match_table[] = {
 	{
+		.compatible	= "qcom,ipq8074-qusb2-phy",
+		.data		= &msm8996_phy_cfg,
+	}, {
 		.compatible	= "qcom,msm8996-qusb2-phy",
 		.data		= &msm8996_phy_cfg,
 	}, {

drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c

@@ -77,6 +77,7 @@ static const char * const qcom_snps_hsphy_vreg_names[] = {
  * @phy_reset: phy reset control
  * @vregs: regulator supplies bulk data
  * @phy_initialized: if PHY has been initialized correctly
+ * @mode: contains the current mode the PHY is in
  */
 struct qcom_snps_hsphy {
 	struct phy *phy;
@@ -88,6 +89,7 @@ struct qcom_snps_hsphy {
 	struct regulator_bulk_data vregs[SNPS_HS_NUM_VREGS];
 
 	bool phy_initialized;
+	enum phy_mode mode;
 };
 
 static inline void qcom_snps_hsphy_write_mask(void __iomem *base, u32 offset,
@@ -104,6 +106,72 @@ static inline void qcom_snps_hsphy_write_mask(void __iomem *base, u32 offset,
 	readl_relaxed(base + offset);
 }
 
+static int qcom_snps_hsphy_suspend(struct qcom_snps_hsphy *hsphy)
+{
+	dev_dbg(&hsphy->phy->dev, "Suspend QCOM SNPS PHY\n");
+
+	if (hsphy->mode == PHY_MODE_USB_HOST) {
+		/* Enable auto-resume to meet remote wakeup timing */
+		qcom_snps_hsphy_write_mask(hsphy->base,
+					   USB2_PHY_USB_PHY_HS_PHY_CTRL2,
+					   USB2_AUTO_RESUME,
+					   USB2_AUTO_RESUME);
+		usleep_range(500, 1000);
+		qcom_snps_hsphy_write_mask(hsphy->base,
+					   USB2_PHY_USB_PHY_HS_PHY_CTRL2,
+					   0, USB2_AUTO_RESUME);
+	}
+
+	clk_disable_unprepare(hsphy->cfg_ahb_clk);
+	return 0;
+}
+
+static int qcom_snps_hsphy_resume(struct qcom_snps_hsphy *hsphy)
+{
+	int ret;
+
+	dev_dbg(&hsphy->phy->dev, "Resume QCOM SNPS PHY, mode\n");
+
+	ret = clk_prepare_enable(hsphy->cfg_ahb_clk);
+	if (ret) {
+		dev_err(&hsphy->phy->dev, "failed to enable cfg ahb clock\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int __maybe_unused qcom_snps_hsphy_runtime_suspend(struct device *dev)
+{
+	struct qcom_snps_hsphy *hsphy = dev_get_drvdata(dev);
+
+	if (!hsphy->phy_initialized)
+		return 0;
+
+	qcom_snps_hsphy_suspend(hsphy);
+	return 0;
+}
+
+static int __maybe_unused qcom_snps_hsphy_runtime_resume(struct device *dev)
+{
+	struct qcom_snps_hsphy *hsphy = dev_get_drvdata(dev);
+
+	if (!hsphy->phy_initialized)
+		return 0;
+
+	qcom_snps_hsphy_resume(hsphy);
+	return 0;
+}
+
+static int qcom_snps_hsphy_set_mode(struct phy *phy, enum phy_mode mode,
+				    int submode)
+{
+	struct qcom_snps_hsphy *hsphy = phy_get_drvdata(phy);
+
+	hsphy->mode = mode;
+	return 0;
+}
+
 static int qcom_snps_hsphy_init(struct phy *phy)
 {
 	struct qcom_snps_hsphy *hsphy = phy_get_drvdata(phy);
@@ -201,6 +269,7 @@ static int qcom_snps_hsphy_exit(struct phy *phy)
 static const struct phy_ops qcom_snps_hsphy_gen_ops = {
 	.init		= qcom_snps_hsphy_init,
 	.exit		= qcom_snps_hsphy_exit,
+	.set_mode	= qcom_snps_hsphy_set_mode,
 	.owner		= THIS_MODULE,
 };
 
@@ -212,6 +281,11 @@ static const struct of_device_id qcom_snps_hsphy_of_match_table[] = {
 };
 MODULE_DEVICE_TABLE(of, qcom_snps_hsphy_of_match_table);
 
+static const struct dev_pm_ops qcom_snps_hsphy_pm_ops = {
+	SET_RUNTIME_PM_OPS(qcom_snps_hsphy_runtime_suspend,
+			   qcom_snps_hsphy_runtime_resume, NULL)
+};
+
 static int qcom_snps_hsphy_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -255,6 +329,14 @@ static int qcom_snps_hsphy_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
+	/*
+	 * Prevent runtime pm from being ON by default. Users can enable
+	 * it using power/control in sysfs.
+	 */
+	pm_runtime_forbid(dev);
+
 	generic_phy = devm_phy_create(dev, NULL, &qcom_snps_hsphy_gen_ops);
 	if (IS_ERR(generic_phy)) {
 		ret = PTR_ERR(generic_phy);
@@ -269,6 +351,8 @@ static int qcom_snps_hsphy_probe(struct platform_device *pdev)
 	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
 	if (!IS_ERR(phy_provider))
 		dev_dbg(dev, "Registered Qcom-SNPS HS phy\n");
+	else
+		pm_runtime_disable(dev);
 
 	return PTR_ERR_OR_ZERO(phy_provider);
 }
@@ -277,6 +361,7 @@ static struct platform_driver qcom_snps_hsphy_driver = {
 	.probe		= qcom_snps_hsphy_probe,
 	.driver = {
 		.name	= "qcom-snps-hs-femto-v2-phy",
+		.pm = &qcom_snps_hsphy_pm_ops,
 		.of_match_table = qcom_snps_hsphy_of_match_table,
 	},
 };

drivers/phy/qualcomm/phy-qcom-ufs-i.h

@@ -1,131 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#ifndef UFS_QCOM_PHY_I_H_
-#define UFS_QCOM_PHY_I_H_
-
-#include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/phy/phy.h>
-#include <linux/regulator/consumer.h>
-#include <linux/reset.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/iopoll.h>
-
-#define UFS_QCOM_PHY_CAL_ENTRY(reg, val)	\
-	{				\
-		.reg_offset = reg,	\
-		.cfg_value = val,	\
-	}
-
-#define UFS_QCOM_PHY_NAME_LEN	30
-
-enum {
-	MASK_SERDES_START       = 0x1,
-	MASK_PCS_READY          = 0x1,
-};
-
-enum {
-	OFFSET_SERDES_START     = 0x0,
-};
-
-struct ufs_qcom_phy_stored_attributes {
-	u32 att;
-	u32 value;
-};
-
-
-struct ufs_qcom_phy_calibration {
-	u32 reg_offset;
-	u32 cfg_value;
-};
-
-struct ufs_qcom_phy_vreg {
-	const char *name;
-	struct regulator *reg;
-	int max_uA;
-	int min_uV;
-	int max_uV;
-	bool enabled;
-};
-
-struct ufs_qcom_phy {
-	struct list_head list;
-	struct device *dev;
-	void __iomem *mmio;
-	void __iomem *dev_ref_clk_ctrl_mmio;
-	struct clk *tx_iface_clk;
-	struct clk *rx_iface_clk;
-	bool is_iface_clk_enabled;
-	struct clk *ref_clk_src;
-	struct clk *ref_clk_parent;
-	struct clk *ref_clk;
-	bool is_ref_clk_enabled;
-	bool is_dev_ref_clk_enabled;
-	struct ufs_qcom_phy_vreg vdda_pll;
-	struct ufs_qcom_phy_vreg vdda_phy;
-	struct ufs_qcom_phy_vreg vddp_ref_clk;
-	unsigned int quirks;
-
-	/*
-	* If UFS link is put into Hibern8 and if UFS PHY analog hardware is
-	* power collapsed (by clearing UFS_PHY_POWER_DOWN_CONTROL), Hibern8
-	* exit might fail even after powering on UFS PHY analog hardware.
-	* Enabling this quirk will help to solve above issue by doing
-	* custom PHY settings just before PHY analog power collapse.
-	*/
-	#define UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE	BIT(0)
-
-	u8 host_ctrl_rev_major;
-	u16 host_ctrl_rev_minor;
-	u16 host_ctrl_rev_step;
-
-	char name[UFS_QCOM_PHY_NAME_LEN];
-	struct ufs_qcom_phy_calibration *cached_regs;
-	int cached_regs_table_size;
-	struct ufs_qcom_phy_specific_ops *phy_spec_ops;
-
-	enum phy_mode mode;
-	struct reset_control *ufs_reset;
-};
-
-/**
- * struct ufs_qcom_phy_specific_ops - set of pointers to functions which have a
- * specific implementation per phy. Each UFS phy, should implement
- * those functions according to its spec and requirements
- * @start_serdes: pointer to a function that starts the serdes
- * @is_physical_coding_sublayer_ready: pointer to a function that
- * checks pcs readiness. returns 0 for success and non-zero for error.
- * @set_tx_lane_enable: pointer to a function that enable tx lanes
- * @power_control: pointer to a function that controls analog rail of phy
- * and writes to QSERDES_RX_SIGDET_CNTRL attribute
- */
-struct ufs_qcom_phy_specific_ops {
-	int (*calibrate)(struct ufs_qcom_phy *ufs_qcom_phy, bool is_rate_B);
-	void (*start_serdes)(struct ufs_qcom_phy *phy);
-	int (*is_physical_coding_sublayer_ready)(struct ufs_qcom_phy *phy);
-	void (*set_tx_lane_enable)(struct ufs_qcom_phy *phy, u32 val);
-	void (*power_control)(struct ufs_qcom_phy *phy, bool val);
-};
-
-struct ufs_qcom_phy *get_ufs_qcom_phy(struct phy *generic_phy);
-int ufs_qcom_phy_power_on(struct phy *generic_phy);
-int ufs_qcom_phy_power_off(struct phy *generic_phy);
-int ufs_qcom_phy_init_clks(struct ufs_qcom_phy *phy_common);
-int ufs_qcom_phy_init_vregulators(struct ufs_qcom_phy *phy_common);
-int ufs_qcom_phy_remove(struct phy *generic_phy,
-		       struct ufs_qcom_phy *ufs_qcom_phy);
-struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
-			struct ufs_qcom_phy *common_cfg,
-			const struct phy_ops *ufs_qcom_phy_gen_ops,
-			struct ufs_qcom_phy_specific_ops *phy_spec_ops);
-int ufs_qcom_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
-			struct ufs_qcom_phy_calibration *tbl_A, int tbl_size_A,
-			struct ufs_qcom_phy_calibration *tbl_B, int tbl_size_B,
-			bool is_rate_B);
-#endif

drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c

@@ -1,172 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#include "phy-qcom-ufs-qmp-14nm.h"
-
-#define UFS_PHY_NAME "ufs_phy_qmp_14nm"
-#define UFS_PHY_VDDA_PHY_UV	(925000)
-
-static
-int ufs_qcom_phy_qmp_14nm_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
-					bool is_rate_B)
-{
-	int tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A);
-	int tbl_size_B = ARRAY_SIZE(phy_cal_table_rate_B);
-	int err;
-
-	err = ufs_qcom_phy_calibrate(ufs_qcom_phy, phy_cal_table_rate_A,
-		tbl_size_A, phy_cal_table_rate_B, tbl_size_B, is_rate_B);
-
-	if (err)
-		dev_err(ufs_qcom_phy->dev,
-			"%s: ufs_qcom_phy_calibrate() failed %d\n",
-			__func__, err);
-	return err;
-}
-
-static
-void ufs_qcom_phy_qmp_14nm_advertise_quirks(struct ufs_qcom_phy *phy_common)
-{
-	phy_common->quirks =
-		UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;
-}
-
-static
-int ufs_qcom_phy_qmp_14nm_set_mode(struct phy *generic_phy,
-				   enum phy_mode mode, int submode)
-{
-	struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
-
-	phy_common->mode = PHY_MODE_INVALID;
-
-	if (mode > 0)
-		phy_common->mode = mode;
-
-	return 0;
-}
-
-static
-void ufs_qcom_phy_qmp_14nm_power_control(struct ufs_qcom_phy *phy, bool val)
-{
-	writel_relaxed(val ? 0x1 : 0x0, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);
-	/*
-	 * Before any transactions involving PHY, ensure PHY knows
-	 * that it's analog rail is powered ON (or OFF).
-	 */
-	mb();
-}
-
-static inline
-void ufs_qcom_phy_qmp_14nm_set_tx_lane_enable(struct ufs_qcom_phy *phy, u32 val)
-{
-	/*
-	 * 14nm PHY does not have TX_LANE_ENABLE register.
-	 * Implement this function so as not to propagate error to caller.
-	 */
-}
-
-static inline void ufs_qcom_phy_qmp_14nm_start_serdes(struct ufs_qcom_phy *phy)
-{
-	u32 tmp;
-
-	tmp = readl_relaxed(phy->mmio + UFS_PHY_PHY_START);
-	tmp &= ~MASK_SERDES_START;
-	tmp |= (1 << OFFSET_SERDES_START);
-	writel_relaxed(tmp, phy->mmio + UFS_PHY_PHY_START);
-	/* Ensure register value is committed */
-	mb();
-}
-
-static int ufs_qcom_phy_qmp_14nm_is_pcs_ready(struct ufs_qcom_phy *phy_common)
-{
-	int err = 0;
-	u32 val;
-
-	err = readl_poll_timeout(phy_common->mmio + UFS_PHY_PCS_READY_STATUS,
-		val, (val & MASK_PCS_READY), 10, 1000000);
-	if (err)
-		dev_err(phy_common->dev, "%s: poll for pcs failed err = %d\n",
-			__func__, err);
-	return err;
-}
-
-static const struct phy_ops ufs_qcom_phy_qmp_14nm_phy_ops = {
-	.power_on	= ufs_qcom_phy_power_on,
-	.power_off	= ufs_qcom_phy_power_off,
-	.set_mode	= ufs_qcom_phy_qmp_14nm_set_mode,
-	.owner		= THIS_MODULE,
-};
-
-static struct ufs_qcom_phy_specific_ops phy_14nm_ops = {
-	.calibrate		= ufs_qcom_phy_qmp_14nm_phy_calibrate,
-	.start_serdes		= ufs_qcom_phy_qmp_14nm_start_serdes,
-	.is_physical_coding_sublayer_ready = ufs_qcom_phy_qmp_14nm_is_pcs_ready,
-	.set_tx_lane_enable	= ufs_qcom_phy_qmp_14nm_set_tx_lane_enable,
-	.power_control		= ufs_qcom_phy_qmp_14nm_power_control,
-};
-
-static int ufs_qcom_phy_qmp_14nm_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct phy *generic_phy;
-	struct ufs_qcom_phy_qmp_14nm *phy;
-	struct ufs_qcom_phy *phy_common;
-	int err = 0;
-
-	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
-	if (!phy) {
-		err = -ENOMEM;
-		goto out;
-	}
-	phy_common = &phy->common_cfg;
-
-	generic_phy = ufs_qcom_phy_generic_probe(pdev, phy_common,
-				&ufs_qcom_phy_qmp_14nm_phy_ops, &phy_14nm_ops);
-
-	if (!generic_phy) {
-		err = -EIO;
-		goto out;
-	}
-
-	err = ufs_qcom_phy_init_clks(phy_common);
-	if (err)
-		goto out;
-
-	err = ufs_qcom_phy_init_vregulators(phy_common);
-	if (err)
-		goto out;
-
-	phy_common->vdda_phy.max_uV = UFS_PHY_VDDA_PHY_UV;
-	phy_common->vdda_phy.min_uV = UFS_PHY_VDDA_PHY_UV;
-
-	ufs_qcom_phy_qmp_14nm_advertise_quirks(phy_common);
-
-	phy_set_drvdata(generic_phy, phy);
-
-	strlcpy(phy_common->name, UFS_PHY_NAME, sizeof(phy_common->name));
-
-out:
-	return err;
-}
-
-static const struct of_device_id ufs_qcom_phy_qmp_14nm_of_match[] = {
-	{.compatible = "qcom,ufs-phy-qmp-14nm"},
-	{.compatible = "qcom,msm8996-ufs-phy-qmp-14nm"},
-	{},
-};
-MODULE_DEVICE_TABLE(of, ufs_qcom_phy_qmp_14nm_of_match);
-
-static struct platform_driver ufs_qcom_phy_qmp_14nm_driver = {
-	.probe = ufs_qcom_phy_qmp_14nm_probe,
-	.driver = {
-		.of_match_table = ufs_qcom_phy_qmp_14nm_of_match,
-		.name = "ufs_qcom_phy_qmp_14nm",
-	},
-};
-
-module_platform_driver(ufs_qcom_phy_qmp_14nm_driver);
-
-MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY QMP 14nm");
-MODULE_LICENSE("GPL v2");

drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.h

@@ -1,168 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#ifndef UFS_QCOM_PHY_QMP_14NM_H_
-#define UFS_QCOM_PHY_QMP_14NM_H_
-
-#include "phy-qcom-ufs-i.h"
-
-/* QCOM UFS PHY control registers */
-#define COM_OFF(x)	(0x000 + x)
-#define PHY_OFF(x)	(0xC00 + x)
-#define TX_OFF(n, x)	(0x400 + (0x400 * n) + x)
-#define RX_OFF(n, x)	(0x600 + (0x400 * n) + x)
-
-/* UFS PHY QSERDES COM registers */
-#define QSERDES_COM_BG_TIMER			COM_OFF(0x0C)
-#define QSERDES_COM_BIAS_EN_CLKBUFLR_EN		COM_OFF(0x34)
-#define QSERDES_COM_SYS_CLK_CTRL		COM_OFF(0x3C)
-#define QSERDES_COM_LOCK_CMP1_MODE0		COM_OFF(0x4C)
-#define QSERDES_COM_LOCK_CMP2_MODE0		COM_OFF(0x50)
-#define QSERDES_COM_LOCK_CMP3_MODE0		COM_OFF(0x54)
-#define QSERDES_COM_LOCK_CMP1_MODE1		COM_OFF(0x58)
-#define QSERDES_COM_LOCK_CMP2_MODE1		COM_OFF(0x5C)
-#define QSERDES_COM_LOCK_CMP3_MODE1		COM_OFF(0x60)
-#define QSERDES_COM_CP_CTRL_MODE0		COM_OFF(0x78)
-#define QSERDES_COM_CP_CTRL_MODE1		COM_OFF(0x7C)
-#define QSERDES_COM_PLL_RCTRL_MODE0		COM_OFF(0x84)
-#define QSERDES_COM_PLL_RCTRL_MODE1		COM_OFF(0x88)
-#define QSERDES_COM_PLL_CCTRL_MODE0		COM_OFF(0x90)
-#define QSERDES_COM_PLL_CCTRL_MODE1		COM_OFF(0x94)
-#define QSERDES_COM_SYSCLK_EN_SEL		COM_OFF(0xAC)
-#define QSERDES_COM_RESETSM_CNTRL		COM_OFF(0xB4)
-#define QSERDES_COM_LOCK_CMP_EN			COM_OFF(0xC8)
-#define QSERDES_COM_LOCK_CMP_CFG		COM_OFF(0xCC)
-#define QSERDES_COM_DEC_START_MODE0		COM_OFF(0xD0)
-#define QSERDES_COM_DEC_START_MODE1		COM_OFF(0xD4)
-#define QSERDES_COM_DIV_FRAC_START1_MODE0	COM_OFF(0xDC)
-#define QSERDES_COM_DIV_FRAC_START2_MODE0	COM_OFF(0xE0)
-#define QSERDES_COM_DIV_FRAC_START3_MODE0	COM_OFF(0xE4)
-#define QSERDES_COM_DIV_FRAC_START1_MODE1	COM_OFF(0xE8)
-#define QSERDES_COM_DIV_FRAC_START2_MODE1	COM_OFF(0xEC)
-#define QSERDES_COM_DIV_FRAC_START3_MODE1	COM_OFF(0xF0)
-#define QSERDES_COM_INTEGLOOP_GAIN0_MODE0	COM_OFF(0x108)
-#define QSERDES_COM_INTEGLOOP_GAIN1_MODE0	COM_OFF(0x10C)
-#define QSERDES_COM_INTEGLOOP_GAIN0_MODE1	COM_OFF(0x110)
-#define QSERDES_COM_INTEGLOOP_GAIN1_MODE1	COM_OFF(0x114)
-#define QSERDES_COM_VCO_TUNE_CTRL		COM_OFF(0x124)
-#define QSERDES_COM_VCO_TUNE_MAP		COM_OFF(0x128)
-#define QSERDES_COM_VCO_TUNE1_MODE0		COM_OFF(0x12C)
-#define QSERDES_COM_VCO_TUNE2_MODE0		COM_OFF(0x130)
-#define QSERDES_COM_VCO_TUNE1_MODE1		COM_OFF(0x134)
-#define QSERDES_COM_VCO_TUNE2_MODE1		COM_OFF(0x138)
-#define QSERDES_COM_VCO_TUNE_TIMER1		COM_OFF(0x144)
-#define QSERDES_COM_VCO_TUNE_TIMER2		COM_OFF(0x148)
-#define QSERDES_COM_CLK_SELECT			COM_OFF(0x174)
-#define QSERDES_COM_HSCLK_SEL			COM_OFF(0x178)
-#define QSERDES_COM_CORECLK_DIV			COM_OFF(0x184)
-#define QSERDES_COM_CORE_CLK_EN			COM_OFF(0x18C)
-#define QSERDES_COM_CMN_CONFIG			COM_OFF(0x194)
-#define QSERDES_COM_SVS_MODE_CLK_SEL		COM_OFF(0x19C)
-#define QSERDES_COM_CORECLK_DIV_MODE1		COM_OFF(0x1BC)
-
-/* UFS PHY registers */
-#define UFS_PHY_PHY_START			PHY_OFF(0x00)
-#define UFS_PHY_POWER_DOWN_CONTROL		PHY_OFF(0x04)
-#define UFS_PHY_PCS_READY_STATUS		PHY_OFF(0x168)
-
-/* UFS PHY TX registers */
-#define QSERDES_TX_HIGHZ_TRANSCEIVER_BIAS_DRVR_EN	TX_OFF(0, 0x68)
-#define QSERDES_TX_LANE_MODE				TX_OFF(0, 0x94)
-
-/* UFS PHY RX registers */
-#define QSERDES_RX_UCDR_FASTLOCK_FO_GAIN	RX_OFF(0, 0x40)
-#define QSERDES_RX_RX_TERM_BW			RX_OFF(0, 0x90)
-#define QSERDES_RX_RX_EQ_GAIN1_LSB		RX_OFF(0, 0xC4)
-#define QSERDES_RX_RX_EQ_GAIN1_MSB		RX_OFF(0, 0xC8)
-#define QSERDES_RX_RX_EQ_GAIN2_LSB		RX_OFF(0, 0xCC)
-#define QSERDES_RX_RX_EQ_GAIN2_MSB		RX_OFF(0, 0xD0)
-#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2	RX_OFF(0, 0xD8)
-#define QSERDES_RX_SIGDET_CNTRL			RX_OFF(0, 0x114)
-#define QSERDES_RX_SIGDET_LVL			RX_OFF(0, 0x118)
-#define QSERDES_RX_SIGDET_DEGLITCH_CNTRL	RX_OFF(0, 0x11C)
-#define QSERDES_RX_RX_INTERFACE_MODE		RX_OFF(0, 0x12C)
-
-/*
- * This structure represents the 14nm specific phy.
- * common_cfg MUST remain the first field in this structure
- * in case extra fields are added. This way, when calling
- * get_ufs_qcom_phy() of generic phy, we can extract the
- * common phy structure (struct ufs_qcom_phy) out of it
- * regardless of the relevant specific phy.
- */
-struct ufs_qcom_phy_qmp_14nm {
-	struct ufs_qcom_phy common_cfg;
-};
-
-static struct ufs_qcom_phy_calibration phy_cal_table_rate_A[] = {
-	UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_POWER_DOWN_CONTROL, 0x01),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CMN_CONFIG, 0x0e),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYSCLK_EN_SEL, 0xd7),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CLK_SELECT, 0x30),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYS_CLK_CTRL, 0x06),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BG_TIMER, 0x0a),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_HSCLK_SEL, 0x05),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CORECLK_DIV, 0x0a),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CORECLK_DIV_MODE1, 0x0a),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP_EN, 0x01),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_CTRL, 0x10),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL, 0x20),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CORE_CLK_EN, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP_CFG, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_TIMER1, 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_MAP, 0x14),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SVS_MODE_CLK_SEL, 0x05),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START_MODE0, 0x82),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE1_MODE0, 0x28),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE2_MODE0, 0x02),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP1_MODE0, 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP2_MODE0, 0x0c),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START_MODE1, 0x98),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1_MODE1, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2_MODE1, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3_MODE1, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_CP_CTRL_MODE1, 0x0b),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RCTRL_MODE1, 0x16),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CCTRL_MODE1, 0x28),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN0_MODE1, 0x80),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_INTEGLOOP_GAIN1_MODE1, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE1_MODE1, 0xd6),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE2_MODE1, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP1_MODE1, 0x32),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP2_MODE1, 0x0f),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_LOCK_CMP3_MODE1, 0x00),
-
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_HIGHZ_TRANSCEIVER_BIAS_DRVR_EN, 0x45),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE, 0x02),
-
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_SIGDET_LVL, 0x24),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_SIGDET_CNTRL, 0x02),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_INTERFACE_MODE, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x18),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0B),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_TERM_BW, 0x5B),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB, 0xFF),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB, 0x3F),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB, 0xFF),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB, 0x0F),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0E),
-};
-
-static struct ufs_qcom_phy_calibration phy_cal_table_rate_B[] = {
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_VCO_TUNE_MAP, 0x54),
-};
-
-#endif

drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.c

@@ -1,226 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#include "phy-qcom-ufs-qmp-20nm.h"
-
-#define UFS_PHY_NAME "ufs_phy_qmp_20nm"
-
-static
-int ufs_qcom_phy_qmp_20nm_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
-					bool is_rate_B)
-{
-	struct ufs_qcom_phy_calibration *tbl_A, *tbl_B;
-	int tbl_size_A, tbl_size_B;
-	u8 major = ufs_qcom_phy->host_ctrl_rev_major;
-	u16 minor = ufs_qcom_phy->host_ctrl_rev_minor;
-	u16 step = ufs_qcom_phy->host_ctrl_rev_step;
-	int err;
-
-	if ((major == 0x1) && (minor == 0x002) && (step == 0x0000)) {
-		tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A_1_2_0);
-		tbl_A = phy_cal_table_rate_A_1_2_0;
-	} else if ((major == 0x1) && (minor == 0x003) && (step == 0x0000)) {
-		tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A_1_3_0);
-		tbl_A = phy_cal_table_rate_A_1_3_0;
-	} else {
-		dev_err(ufs_qcom_phy->dev, "%s: Unknown UFS-PHY version, no calibration values\n",
-			__func__);
-		err = -ENODEV;
-		goto out;
-	}
-
-	tbl_size_B = ARRAY_SIZE(phy_cal_table_rate_B);
-	tbl_B = phy_cal_table_rate_B;
-
-	err = ufs_qcom_phy_calibrate(ufs_qcom_phy, tbl_A, tbl_size_A,
-						tbl_B, tbl_size_B, is_rate_B);
-
-	if (err)
-		dev_err(ufs_qcom_phy->dev, "%s: ufs_qcom_phy_calibrate() failed %d\n",
-			__func__, err);
-
-out:
-	return err;
-}
-
-static
-void ufs_qcom_phy_qmp_20nm_advertise_quirks(struct ufs_qcom_phy *phy_common)
-{
-	phy_common->quirks =
-		UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;
-}
-
-static
-int ufs_qcom_phy_qmp_20nm_set_mode(struct phy *generic_phy,
-				   enum phy_mode mode, int submode)
-{
-	struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
-
-	phy_common->mode = PHY_MODE_INVALID;
-
-	if (mode > 0)
-		phy_common->mode = mode;
-
-	return 0;
-}
-
-static
-void ufs_qcom_phy_qmp_20nm_power_control(struct ufs_qcom_phy *phy, bool val)
-{
-	bool hibern8_exit_after_pwr_collapse = phy->quirks &
-		UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;
-
-	if (val) {
-		writel_relaxed(0x1, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);
-		/*
-		 * Before any transactions involving PHY, ensure PHY knows
-		 * that it's analog rail is powered ON.
-		 */
-		mb();
-
-		if (hibern8_exit_after_pwr_collapse) {
-			/*
-			 * Give atleast 1us delay after restoring PHY analog
-			 * power.
-			 */
-			usleep_range(1, 2);
-			writel_relaxed(0x0A, phy->mmio +
-				       QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
-			writel_relaxed(0x08, phy->mmio +
-				       QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
-			/*
-			 * Make sure workaround is deactivated before proceeding
-			 * with normal PHY operations.
-			 */
-			mb();
-		}
-	} else {
-		if (hibern8_exit_after_pwr_collapse) {
-			writel_relaxed(0x0A, phy->mmio +
-				       QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
-			writel_relaxed(0x02, phy->mmio +
-				       QSERDES_COM_SYSCLK_EN_SEL_TXBAND);
-			/*
-			 * Make sure that above workaround is activated before
-			 * PHY analog power collapse.
-			 */
-			mb();
-		}
-
-		writel_relaxed(0x0, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);
-		/*
-		 * ensure that PHY knows its PHY analog rail is going
-		 * to be powered down
-		 */
-		mb();
-	}
-}
-
-static
-void ufs_qcom_phy_qmp_20nm_set_tx_lane_enable(struct ufs_qcom_phy *phy, u32 val)
-{
-	writel_relaxed(val & UFS_PHY_TX_LANE_ENABLE_MASK,
-			phy->mmio + UFS_PHY_TX_LANE_ENABLE);
-	mb();
-}
-
-static inline void ufs_qcom_phy_qmp_20nm_start_serdes(struct ufs_qcom_phy *phy)
-{
-	u32 tmp;
-
-	tmp = readl_relaxed(phy->mmio + UFS_PHY_PHY_START);
-	tmp &= ~MASK_SERDES_START;
-	tmp |= (1 << OFFSET_SERDES_START);
-	writel_relaxed(tmp, phy->mmio + UFS_PHY_PHY_START);
-	mb();
-}
-
-static int ufs_qcom_phy_qmp_20nm_is_pcs_ready(struct ufs_qcom_phy *phy_common)
-{
-	int err = 0;
-	u32 val;
-
-	err = readl_poll_timeout(phy_common->mmio + UFS_PHY_PCS_READY_STATUS,
-			val, (val & MASK_PCS_READY), 10, 1000000);
-	if (err)
-		dev_err(phy_common->dev, "%s: poll for pcs failed err = %d\n",
-			__func__, err);
-	return err;
-}
-
-static const struct phy_ops ufs_qcom_phy_qmp_20nm_phy_ops = {
-	.power_on	= ufs_qcom_phy_power_on,
-	.power_off	= ufs_qcom_phy_power_off,
-	.set_mode	= ufs_qcom_phy_qmp_20nm_set_mode,
-	.owner		= THIS_MODULE,
-};
-
-static struct ufs_qcom_phy_specific_ops phy_20nm_ops = {
-	.calibrate		= ufs_qcom_phy_qmp_20nm_phy_calibrate,
-	.start_serdes		= ufs_qcom_phy_qmp_20nm_start_serdes,
-	.is_physical_coding_sublayer_ready = ufs_qcom_phy_qmp_20nm_is_pcs_ready,
-	.set_tx_lane_enable	= ufs_qcom_phy_qmp_20nm_set_tx_lane_enable,
-	.power_control		= ufs_qcom_phy_qmp_20nm_power_control,
-};
-
-static int ufs_qcom_phy_qmp_20nm_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct phy *generic_phy;
-	struct ufs_qcom_phy_qmp_20nm *phy;
-	struct ufs_qcom_phy *phy_common;
-	int err = 0;
-
-	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
-	if (!phy) {
-		err = -ENOMEM;
-		goto out;
-	}
-	phy_common = &phy->common_cfg;
-
-	generic_phy = ufs_qcom_phy_generic_probe(pdev, phy_common,
-				&ufs_qcom_phy_qmp_20nm_phy_ops, &phy_20nm_ops);
-
-	if (!generic_phy) {
-		err = -EIO;
-		goto out;
-	}
-
-	err = ufs_qcom_phy_init_clks(phy_common);
-	if (err)
-		goto out;
-
-	err = ufs_qcom_phy_init_vregulators(phy_common);
-	if (err)
-		goto out;
-
-	ufs_qcom_phy_qmp_20nm_advertise_quirks(phy_common);
-
-	phy_set_drvdata(generic_phy, phy);
-
-	strlcpy(phy_common->name, UFS_PHY_NAME, sizeof(phy_common->name));
-
-out:
-	return err;
-}
-
-static const struct of_device_id ufs_qcom_phy_qmp_20nm_of_match[] = {
-	{.compatible = "qcom,ufs-phy-qmp-20nm"},
-	{},
-};
-MODULE_DEVICE_TABLE(of, ufs_qcom_phy_qmp_20nm_of_match);
-
-static struct platform_driver ufs_qcom_phy_qmp_20nm_driver = {
-	.probe = ufs_qcom_phy_qmp_20nm_probe,
-	.driver = {
-		.of_match_table = ufs_qcom_phy_qmp_20nm_of_match,
-		.name = "ufs_qcom_phy_qmp_20nm",
-	},
-};
-
-module_platform_driver(ufs_qcom_phy_qmp_20nm_driver);
-
-MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY QMP 20nm");
-MODULE_LICENSE("GPL v2");

drivers/phy/qualcomm/phy-qcom-ufs-qmp-20nm.h

@@ -1,226 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#ifndef UFS_QCOM_PHY_QMP_20NM_H_
-#define UFS_QCOM_PHY_QMP_20NM_H_
-
-#include "phy-qcom-ufs-i.h"
-
-/* QCOM UFS PHY control registers */
-
-#define COM_OFF(x)     (0x000 + x)
-#define PHY_OFF(x)     (0xC00 + x)
-#define TX_OFF(n, x)   (0x400 + (0x400 * n) + x)
-#define RX_OFF(n, x)   (0x600 + (0x400 * n) + x)
-
-/* UFS PHY PLL block registers */
-#define QSERDES_COM_SYS_CLK_CTRL		COM_OFF(0x0)
-#define QSERDES_COM_PLL_VCOTAIL_EN		COM_OFF(0x04)
-#define QSERDES_COM_PLL_CNTRL			COM_OFF(0x14)
-#define QSERDES_COM_PLL_IP_SETI			COM_OFF(0x24)
-#define QSERDES_COM_CORE_CLK_IN_SYNC_SEL	COM_OFF(0x28)
-#define QSERDES_COM_BIAS_EN_CLKBUFLR_EN		COM_OFF(0x30)
-#define QSERDES_COM_PLL_CP_SETI			COM_OFF(0x34)
-#define QSERDES_COM_PLL_IP_SETP			COM_OFF(0x38)
-#define QSERDES_COM_PLL_CP_SETP			COM_OFF(0x3C)
-#define QSERDES_COM_SYSCLK_EN_SEL_TXBAND	COM_OFF(0x48)
-#define QSERDES_COM_RESETSM_CNTRL		COM_OFF(0x4C)
-#define QSERDES_COM_RESETSM_CNTRL2		COM_OFF(0x50)
-#define QSERDES_COM_PLLLOCK_CMP1		COM_OFF(0x90)
-#define QSERDES_COM_PLLLOCK_CMP2		COM_OFF(0x94)
-#define QSERDES_COM_PLLLOCK_CMP3		COM_OFF(0x98)
-#define QSERDES_COM_PLLLOCK_CMP_EN		COM_OFF(0x9C)
-#define QSERDES_COM_BGTC			COM_OFF(0xA0)
-#define QSERDES_COM_DEC_START1			COM_OFF(0xAC)
-#define QSERDES_COM_PLL_AMP_OS			COM_OFF(0xB0)
-#define QSERDES_COM_RES_CODE_UP_OFFSET		COM_OFF(0xD8)
-#define QSERDES_COM_RES_CODE_DN_OFFSET		COM_OFF(0xDC)
-#define QSERDES_COM_DIV_FRAC_START1		COM_OFF(0x100)
-#define QSERDES_COM_DIV_FRAC_START2		COM_OFF(0x104)
-#define QSERDES_COM_DIV_FRAC_START3		COM_OFF(0x108)
-#define QSERDES_COM_DEC_START2			COM_OFF(0x10C)
-#define QSERDES_COM_PLL_RXTXEPCLK_EN		COM_OFF(0x110)
-#define QSERDES_COM_PLL_CRCTRL			COM_OFF(0x114)
-#define QSERDES_COM_PLL_CLKEPDIV		COM_OFF(0x118)
-
-/* TX LANE n (0, 1) registers */
-#define QSERDES_TX_EMP_POST1_LVL(n)		TX_OFF(n, 0x08)
-#define QSERDES_TX_DRV_LVL(n)			TX_OFF(n, 0x0C)
-#define QSERDES_TX_LANE_MODE(n)			TX_OFF(n, 0x54)
-
-/* RX LANE n (0, 1) registers */
-#define QSERDES_RX_CDR_CONTROL1(n)		RX_OFF(n, 0x0)
-#define QSERDES_RX_CDR_CONTROL_HALF(n)		RX_OFF(n, 0x8)
-#define QSERDES_RX_RX_EQ_GAIN1_LSB(n)		RX_OFF(n, 0xA8)
-#define QSERDES_RX_RX_EQ_GAIN1_MSB(n)		RX_OFF(n, 0xAC)
-#define QSERDES_RX_RX_EQ_GAIN2_LSB(n)		RX_OFF(n, 0xB0)
-#define QSERDES_RX_RX_EQ_GAIN2_MSB(n)		RX_OFF(n, 0xB4)
-#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(n)	RX_OFF(n, 0xBC)
-#define QSERDES_RX_CDR_CONTROL_QUARTER(n)	RX_OFF(n, 0xC)
-#define QSERDES_RX_SIGDET_CNTRL(n)		RX_OFF(n, 0x100)
-
-/* UFS PHY registers */
-#define UFS_PHY_PHY_START			PHY_OFF(0x00)
-#define UFS_PHY_POWER_DOWN_CONTROL		PHY_OFF(0x4)
-#define UFS_PHY_TX_LANE_ENABLE			PHY_OFF(0x44)
-#define UFS_PHY_PWM_G1_CLK_DIVIDER		PHY_OFF(0x08)
-#define UFS_PHY_PWM_G2_CLK_DIVIDER		PHY_OFF(0x0C)
-#define UFS_PHY_PWM_G3_CLK_DIVIDER		PHY_OFF(0x10)
-#define UFS_PHY_PWM_G4_CLK_DIVIDER		PHY_OFF(0x14)
-#define UFS_PHY_CORECLK_PWM_G1_CLK_DIVIDER	PHY_OFF(0x34)
-#define UFS_PHY_CORECLK_PWM_G2_CLK_DIVIDER	PHY_OFF(0x38)
-#define UFS_PHY_CORECLK_PWM_G3_CLK_DIVIDER	PHY_OFF(0x3C)
-#define UFS_PHY_CORECLK_PWM_G4_CLK_DIVIDER	PHY_OFF(0x40)
-#define UFS_PHY_OMC_STATUS_RDVAL		PHY_OFF(0x68)
-#define UFS_PHY_LINE_RESET_TIME			PHY_OFF(0x28)
-#define UFS_PHY_LINE_RESET_GRANULARITY		PHY_OFF(0x2C)
-#define UFS_PHY_TSYNC_RSYNC_CNTL		PHY_OFF(0x48)
-#define UFS_PHY_PLL_CNTL			PHY_OFF(0x50)
-#define UFS_PHY_TX_LARGE_AMP_DRV_LVL		PHY_OFF(0x54)
-#define UFS_PHY_TX_SMALL_AMP_DRV_LVL		PHY_OFF(0x5C)
-#define UFS_PHY_TX_LARGE_AMP_POST_EMP_LVL	PHY_OFF(0x58)
-#define UFS_PHY_TX_SMALL_AMP_POST_EMP_LVL	PHY_OFF(0x60)
-#define UFS_PHY_CFG_CHANGE_CNT_VAL		PHY_OFF(0x64)
-#define UFS_PHY_RX_SYNC_WAIT_TIME		PHY_OFF(0x6C)
-#define UFS_PHY_TX_MIN_SLEEP_NOCONFIG_TIME_CAPABILITY	PHY_OFF(0xB4)
-#define UFS_PHY_RX_MIN_SLEEP_NOCONFIG_TIME_CAPABILITY	PHY_OFF(0xE0)
-#define UFS_PHY_TX_MIN_STALL_NOCONFIG_TIME_CAPABILITY	PHY_OFF(0xB8)
-#define UFS_PHY_RX_MIN_STALL_NOCONFIG_TIME_CAPABILITY	PHY_OFF(0xE4)
-#define UFS_PHY_TX_MIN_SAVE_CONFIG_TIME_CAPABILITY	PHY_OFF(0xBC)
-#define UFS_PHY_RX_MIN_SAVE_CONFIG_TIME_CAPABILITY	PHY_OFF(0xE8)
-#define UFS_PHY_RX_PWM_BURST_CLOSURE_LENGTH_CAPABILITY	PHY_OFF(0xFC)
-#define UFS_PHY_RX_MIN_ACTIVATETIME_CAPABILITY		PHY_OFF(0x100)
-#define UFS_PHY_RX_SIGDET_CTRL3				PHY_OFF(0x14c)
-#define UFS_PHY_RMMI_ATTR_CTRL			PHY_OFF(0x160)
-#define UFS_PHY_RMMI_RX_CFGUPDT_L1	(1 << 7)
-#define UFS_PHY_RMMI_TX_CFGUPDT_L1	(1 << 6)
-#define UFS_PHY_RMMI_CFGWR_L1		(1 << 5)
-#define UFS_PHY_RMMI_CFGRD_L1		(1 << 4)
-#define UFS_PHY_RMMI_RX_CFGUPDT_L0	(1 << 3)
-#define UFS_PHY_RMMI_TX_CFGUPDT_L0	(1 << 2)
-#define UFS_PHY_RMMI_CFGWR_L0		(1 << 1)
-#define UFS_PHY_RMMI_CFGRD_L0		(1 << 0)
-#define UFS_PHY_RMMI_ATTRID			PHY_OFF(0x164)
-#define UFS_PHY_RMMI_ATTRWRVAL			PHY_OFF(0x168)
-#define UFS_PHY_RMMI_ATTRRDVAL_L0_STATUS	PHY_OFF(0x16C)
-#define UFS_PHY_RMMI_ATTRRDVAL_L1_STATUS	PHY_OFF(0x170)
-#define UFS_PHY_PCS_READY_STATUS		PHY_OFF(0x174)
-
-#define UFS_PHY_TX_LANE_ENABLE_MASK		0x3
-
-/*
- * This structure represents the 20nm specific phy.
- * common_cfg MUST remain the first field in this structure
- * in case extra fields are added. This way, when calling
- * get_ufs_qcom_phy() of generic phy, we can extract the
- * common phy structure (struct ufs_qcom_phy) out of it
- * regardless of the relevant specific phy.
- */
-struct ufs_qcom_phy_qmp_20nm {
-	struct ufs_qcom_phy common_cfg;
-};
-
-static struct ufs_qcom_phy_calibration phy_cal_table_rate_A_1_2_0[] = {
-	UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_POWER_DOWN_CONTROL, 0x01),
-	UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_RX_SIGDET_CTRL3, 0x0D),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_VCOTAIL_EN, 0xe1),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CRCTRL, 0xcc),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYSCLK_EN_SEL_TXBAND, 0x08),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CLKEPDIV, 0x03),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RXTXEPCLK_EN, 0x10),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x82),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START2, 0x03),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1, 0x80),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2, 0x80),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3, 0x40),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x19),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP3, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP_EN, 0x03),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL, 0x90),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL2, 0x03),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(0), 0xf2),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(0), 0x0c),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(0), 0x12),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(1), 0xf2),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(1), 0x0c),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(1), 0x12),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(0), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(0), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(0), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(0), 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(1), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(1), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(1), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(1), 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETI, 0x3f),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETP, 0x1b),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETP, 0x0f),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETI, 0x01),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_EMP_POST1_LVL(0), 0x2F),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_DRV_LVL(0), 0x20),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_EMP_POST1_LVL(1), 0x2F),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_DRV_LVL(1), 0x20),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(0), 0x68),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(1), 0x68),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(1), 0xdc),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(0), 0xdc),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3),
-};
-
-static struct ufs_qcom_phy_calibration phy_cal_table_rate_A_1_3_0[] = {
-	UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_POWER_DOWN_CONTROL, 0x01),
-	UFS_QCOM_PHY_CAL_ENTRY(UFS_PHY_RX_SIGDET_CTRL3, 0x0D),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_VCOTAIL_EN, 0xe1),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CRCTRL, 0xcc),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_SYSCLK_EN_SEL_TXBAND, 0x08),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CLKEPDIV, 0x03),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_RXTXEPCLK_EN, 0x10),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x82),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START2, 0x03),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START1, 0x80),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START2, 0x80),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DIV_FRAC_START3, 0x40),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x19),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP3, 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP_EN, 0x03),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL, 0x90),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RESETSM_CNTRL2, 0x03),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(0), 0xf2),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(0), 0x0c),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(0), 0x12),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL1(1), 0xf2),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_HALF(1), 0x0c),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_CDR_CONTROL_QUARTER(1), 0x12),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(0), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(0), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(0), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(0), 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_LSB(1), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN1_MSB(1), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_LSB(1), 0xff),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQ_GAIN2_MSB(1), 0x00),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETI, 0x2b),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETP, 0x38),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CP_SETP, 0x3c),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RES_CODE_UP_OFFSET, 0x02),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_RES_CODE_DN_OFFSET, 0x02),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_IP_SETI, 0x01),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLL_CNTRL, 0x40),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(0), 0x68),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_TX_LANE_MODE(1), 0x68),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(1), 0xdc),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2(0), 0xdc),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3),
-};
-
-static struct ufs_qcom_phy_calibration phy_cal_table_rate_B[] = {
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_DEC_START1, 0x98),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP1, 0x65),
-	UFS_QCOM_PHY_CAL_ENTRY(QSERDES_COM_PLLLOCK_CMP2, 0x1e),
-};
-
-#endif

drivers/phy/qualcomm/phy-qcom-ufs.c

@@ -1,648 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#include "phy-qcom-ufs-i.h"
-
-#define MAX_PROP_NAME              32
-#define VDDA_PHY_MIN_UV            1000000
-#define VDDA_PHY_MAX_UV            1000000
-#define VDDA_PLL_MIN_UV            1800000
-#define VDDA_PLL_MAX_UV            1800000
-#define VDDP_REF_CLK_MIN_UV        1200000
-#define VDDP_REF_CLK_MAX_UV        1200000
-
-int ufs_qcom_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
-			   struct ufs_qcom_phy_calibration *tbl_A,
-			   int tbl_size_A,
-			   struct ufs_qcom_phy_calibration *tbl_B,
-			   int tbl_size_B, bool is_rate_B)
-{
-	int i;
-	int ret = 0;
-
-	if (!tbl_A) {
-		dev_err(ufs_qcom_phy->dev, "%s: tbl_A is NULL", __func__);
-		ret = EINVAL;
-		goto out;
-	}
-
-	for (i = 0; i < tbl_size_A; i++)
-		writel_relaxed(tbl_A[i].cfg_value,
-			       ufs_qcom_phy->mmio + tbl_A[i].reg_offset);
-
-	/*
-	 * In case we would like to work in rate B, we need
-	 * to override a registers that were configured in rate A table
-	 * with registers of rate B table.
-	 * table.
-	 */
-	if (is_rate_B) {
-		if (!tbl_B) {
-			dev_err(ufs_qcom_phy->dev, "%s: tbl_B is NULL",
-				__func__);
-			ret = EINVAL;
-			goto out;
-		}
-
-		for (i = 0; i < tbl_size_B; i++)
-			writel_relaxed(tbl_B[i].cfg_value,
-				ufs_qcom_phy->mmio + tbl_B[i].reg_offset);
-	}
-
-	/* flush buffered writes */
-	mb();
-
-out:
-	return ret;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_calibrate);
-
-/*
- * This assumes the embedded phy structure inside generic_phy is of type
- * struct ufs_qcom_phy. In order to function properly it's crucial
- * to keep the embedded struct "struct ufs_qcom_phy common_cfg"
- * as the first inside generic_phy.
- */
-struct ufs_qcom_phy *get_ufs_qcom_phy(struct phy *generic_phy)
-{
-	return (struct ufs_qcom_phy *)phy_get_drvdata(generic_phy);
-}
-EXPORT_SYMBOL_GPL(get_ufs_qcom_phy);
-
-static
-int ufs_qcom_phy_base_init(struct platform_device *pdev,
-			   struct ufs_qcom_phy *phy_common)
-{
-	struct device *dev = &pdev->dev;
-	struct resource *res;
-	int err = 0;
-
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy_mem");
-	phy_common->mmio = devm_ioremap_resource(dev, res);
-	if (IS_ERR((void const *)phy_common->mmio)) {
-		err = PTR_ERR((void const *)phy_common->mmio);
-		phy_common->mmio = NULL;
-		dev_err(dev, "%s: ioremap for phy_mem resource failed %d\n",
-			__func__, err);
-		return err;
-	}
-
-	/* "dev_ref_clk_ctrl_mem" is optional resource */
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-					   "dev_ref_clk_ctrl_mem");
-	phy_common->dev_ref_clk_ctrl_mmio = devm_ioremap_resource(dev, res);
-	if (IS_ERR((void const *)phy_common->dev_ref_clk_ctrl_mmio))
-		phy_common->dev_ref_clk_ctrl_mmio = NULL;
-
-	return 0;
-}
-
-struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
-				struct ufs_qcom_phy *common_cfg,
-				const struct phy_ops *ufs_qcom_phy_gen_ops,
-				struct ufs_qcom_phy_specific_ops *phy_spec_ops)
-{
-	int err;
-	struct device *dev = &pdev->dev;
-	struct phy *generic_phy = NULL;
-	struct phy_provider *phy_provider;
-
-	err = ufs_qcom_phy_base_init(pdev, common_cfg);
-	if (err) {
-		dev_err(dev, "%s: phy base init failed %d\n", __func__, err);
-		goto out;
-	}
-
-	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
-	if (IS_ERR(phy_provider)) {
-		err = PTR_ERR(phy_provider);
-		dev_err(dev, "%s: failed to register phy %d\n", __func__, err);
-		goto out;
-	}
-
-	generic_phy = devm_phy_create(dev, NULL, ufs_qcom_phy_gen_ops);
-	if (IS_ERR(generic_phy)) {
-		err =  PTR_ERR(generic_phy);
-		dev_err(dev, "%s: failed to create phy %d\n", __func__, err);
-		generic_phy = NULL;
-		goto out;
-	}
-
-	common_cfg->phy_spec_ops = phy_spec_ops;
-	common_cfg->dev = dev;
-
-out:
-	return generic_phy;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_generic_probe);
-
-static int ufs_qcom_phy_get_reset(struct ufs_qcom_phy *phy_common)
-{
-	struct reset_control *reset;
-
-	if (phy_common->ufs_reset)
-		return 0;
-
-	reset = devm_reset_control_get_exclusive_by_index(phy_common->dev, 0);
-	if (IS_ERR(reset))
-		return PTR_ERR(reset);
-
-	phy_common->ufs_reset = reset;
-	return 0;
-}
-
-static int __ufs_qcom_phy_clk_get(struct device *dev,
-			 const char *name, struct clk **clk_out, bool err_print)
-{
-	struct clk *clk;
-	int err = 0;
-
-	clk = devm_clk_get(dev, name);
-	if (IS_ERR(clk)) {
-		err = PTR_ERR(clk);
-		if (err_print)
-			dev_err(dev, "failed to get %s err %d", name, err);
-	} else {
-		*clk_out = clk;
-	}
-
-	return err;
-}
-
-static int ufs_qcom_phy_clk_get(struct device *dev,
-			 const char *name, struct clk **clk_out)
-{
-	return __ufs_qcom_phy_clk_get(dev, name, clk_out, true);
-}
-
-int ufs_qcom_phy_init_clks(struct ufs_qcom_phy *phy_common)
-{
-	int err;
-
-	if (of_device_is_compatible(phy_common->dev->of_node,
-				"qcom,msm8996-ufs-phy-qmp-14nm"))
-		goto skip_txrx_clk;
-
-	err = ufs_qcom_phy_clk_get(phy_common->dev, "tx_iface_clk",
-				   &phy_common->tx_iface_clk);
-	if (err)
-		goto out;
-
-	err = ufs_qcom_phy_clk_get(phy_common->dev, "rx_iface_clk",
-				   &phy_common->rx_iface_clk);
-	if (err)
-		goto out;
-
-skip_txrx_clk:
-	err = ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk_src",
-				   &phy_common->ref_clk_src);
-	if (err)
-		goto out;
-
-	/*
-	 * "ref_clk_parent" is optional hence don't abort init if it's not
-	 * found.
-	 */
-	__ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk_parent",
-				   &phy_common->ref_clk_parent, false);
-
-	err = ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk",
-				   &phy_common->ref_clk);
-
-out:
-	return err;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_clks);
-
-static int ufs_qcom_phy_init_vreg(struct device *dev,
-				  struct ufs_qcom_phy_vreg *vreg,
-				  const char *name)
-{
-	int err = 0;
-
-	char prop_name[MAX_PROP_NAME];
-
-	vreg->name = name;
-	vreg->reg = devm_regulator_get(dev, name);
-	if (IS_ERR(vreg->reg)) {
-		err = PTR_ERR(vreg->reg);
-		dev_err(dev, "failed to get %s, %d\n", name, err);
-		goto out;
-	}
-
-	if (dev->of_node) {
-		snprintf(prop_name, MAX_PROP_NAME, "%s-max-microamp", name);
-		err = of_property_read_u32(dev->of_node,
-					prop_name, &vreg->max_uA);
-		if (err && err != -EINVAL) {
-			dev_err(dev, "%s: failed to read %s\n",
-					__func__, prop_name);
-			goto out;
-		} else if (err == -EINVAL || !vreg->max_uA) {
-			if (regulator_count_voltages(vreg->reg) > 0) {
-				dev_err(dev, "%s: %s is mandatory\n",
-						__func__, prop_name);
-				goto out;
-			}
-			err = 0;
-		}
-	}
-
-	if (!strcmp(name, "vdda-pll")) {
-		vreg->max_uV = VDDA_PLL_MAX_UV;
-		vreg->min_uV = VDDA_PLL_MIN_UV;
-	} else if (!strcmp(name, "vdda-phy")) {
-		vreg->max_uV = VDDA_PHY_MAX_UV;
-		vreg->min_uV = VDDA_PHY_MIN_UV;
-	} else if (!strcmp(name, "vddp-ref-clk")) {
-		vreg->max_uV = VDDP_REF_CLK_MAX_UV;
-		vreg->min_uV = VDDP_REF_CLK_MIN_UV;
-	}
-
-out:
-	return err;
-}
-
-int ufs_qcom_phy_init_vregulators(struct ufs_qcom_phy *phy_common)
-{
-	int err;
-
-	err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vdda_pll,
-		"vdda-pll");
-	if (err)
-		goto out;
-
-	err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vdda_phy,
-		"vdda-phy");
-
-	if (err)
-		goto out;
-
-	err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vddp_ref_clk,
-				     "vddp-ref-clk");
-
-out:
-	return err;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_vregulators);
-
-static int ufs_qcom_phy_cfg_vreg(struct device *dev,
-			  struct ufs_qcom_phy_vreg *vreg, bool on)
-{
-	int ret = 0;
-	struct regulator *reg = vreg->reg;
-	const char *name = vreg->name;
-	int min_uV;
-	int uA_load;
-
-	if (regulator_count_voltages(reg) > 0) {
-		min_uV = on ? vreg->min_uV : 0;
-		ret = regulator_set_voltage(reg, min_uV, vreg->max_uV);
-		if (ret) {
-			dev_err(dev, "%s: %s set voltage failed, err=%d\n",
-					__func__, name, ret);
-			goto out;
-		}
-		uA_load = on ? vreg->max_uA : 0;
-		ret = regulator_set_load(reg, uA_load);
-		if (ret >= 0) {
-			/*
-			 * regulator_set_load() returns new regulator
-			 * mode upon success.
-			 */
-			ret = 0;
-		} else {
-			dev_err(dev, "%s: %s set optimum mode(uA_load=%d) failed, err=%d\n",
-					__func__, name, uA_load, ret);
-			goto out;
-		}
-	}
-out:
-	return ret;
-}
-
-static int ufs_qcom_phy_enable_vreg(struct device *dev,
-			     struct ufs_qcom_phy_vreg *vreg)
-{
-	int ret = 0;
-
-	if (!vreg || vreg->enabled)
-		goto out;
-
-	ret = ufs_qcom_phy_cfg_vreg(dev, vreg, true);
-	if (ret) {
-		dev_err(dev, "%s: ufs_qcom_phy_cfg_vreg() failed, err=%d\n",
-			__func__, ret);
-		goto out;
-	}
-
-	ret = regulator_enable(vreg->reg);
-	if (ret) {
-		dev_err(dev, "%s: enable failed, err=%d\n",
-				__func__, ret);
-		goto out;
-	}
-
-	vreg->enabled = true;
-out:
-	return ret;
-}
-
-static int ufs_qcom_phy_enable_ref_clk(struct ufs_qcom_phy *phy)
-{
-	int ret = 0;
-
-	if (phy->is_ref_clk_enabled)
-		goto out;
-
-	/*
-	 * reference clock is propagated in a daisy-chained manner from
-	 * source to phy, so ungate them at each stage.
-	 */
-	ret = clk_prepare_enable(phy->ref_clk_src);
-	if (ret) {
-		dev_err(phy->dev, "%s: ref_clk_src enable failed %d\n",
-				__func__, ret);
-		goto out;
-	}
-
-	/*
-	 * "ref_clk_parent" is optional clock hence make sure that clk reference
-	 * is available before trying to enable the clock.
-	 */
-	if (phy->ref_clk_parent) {
-		ret = clk_prepare_enable(phy->ref_clk_parent);
-		if (ret) {
-			dev_err(phy->dev, "%s: ref_clk_parent enable failed %d\n",
-					__func__, ret);
-			goto out_disable_src;
-		}
-	}
-
-	ret = clk_prepare_enable(phy->ref_clk);
-	if (ret) {
-		dev_err(phy->dev, "%s: ref_clk enable failed %d\n",
-				__func__, ret);
-		goto out_disable_parent;
-	}
-
-	phy->is_ref_clk_enabled = true;
-	goto out;
-
-out_disable_parent:
-	if (phy->ref_clk_parent)
-		clk_disable_unprepare(phy->ref_clk_parent);
-out_disable_src:
-	clk_disable_unprepare(phy->ref_clk_src);
-out:
-	return ret;
-}
-
-static int ufs_qcom_phy_disable_vreg(struct device *dev,
-			      struct ufs_qcom_phy_vreg *vreg)
-{
-	int ret = 0;
-
-	if (!vreg || !vreg->enabled)
-		goto out;
-
-	ret = regulator_disable(vreg->reg);
-
-	if (!ret) {
-		/* ignore errors on applying disable config */
-		ufs_qcom_phy_cfg_vreg(dev, vreg, false);
-		vreg->enabled = false;
-	} else {
-		dev_err(dev, "%s: %s disable failed, err=%d\n",
-				__func__, vreg->name, ret);
-	}
-out:
-	return ret;
-}
-
-static void ufs_qcom_phy_disable_ref_clk(struct ufs_qcom_phy *phy)
-{
-	if (phy->is_ref_clk_enabled) {
-		clk_disable_unprepare(phy->ref_clk);
-		/*
-		 * "ref_clk_parent" is optional clock hence make sure that clk
-		 * reference is available before trying to disable the clock.
-		 */
-		if (phy->ref_clk_parent)
-			clk_disable_unprepare(phy->ref_clk_parent);
-		clk_disable_unprepare(phy->ref_clk_src);
-		phy->is_ref_clk_enabled = false;
-	}
-}
-
-/* Turn ON M-PHY RMMI interface clocks */
-static int ufs_qcom_phy_enable_iface_clk(struct ufs_qcom_phy *phy)
-{
-	int ret = 0;
-
-	if (phy->is_iface_clk_enabled)
-		goto out;
-
-	ret = clk_prepare_enable(phy->tx_iface_clk);
-	if (ret) {
-		dev_err(phy->dev, "%s: tx_iface_clk enable failed %d\n",
-				__func__, ret);
-		goto out;
-	}
-	ret = clk_prepare_enable(phy->rx_iface_clk);
-	if (ret) {
-		clk_disable_unprepare(phy->tx_iface_clk);
-		dev_err(phy->dev, "%s: rx_iface_clk enable failed %d. disabling also tx_iface_clk\n",
-				__func__, ret);
-		goto out;
-	}
-	phy->is_iface_clk_enabled = true;
-
-out:
-	return ret;
-}
-
-/* Turn OFF M-PHY RMMI interface clocks */
-static void ufs_qcom_phy_disable_iface_clk(struct ufs_qcom_phy *phy)
-{
-	if (phy->is_iface_clk_enabled) {
-		clk_disable_unprepare(phy->tx_iface_clk);
-		clk_disable_unprepare(phy->rx_iface_clk);
-		phy->is_iface_clk_enabled = false;
-	}
-}
-
-static int ufs_qcom_phy_start_serdes(struct ufs_qcom_phy *ufs_qcom_phy)
-{
-	int ret = 0;
-
-	if (!ufs_qcom_phy->phy_spec_ops->start_serdes) {
-		dev_err(ufs_qcom_phy->dev, "%s: start_serdes() callback is not supported\n",
-			__func__);
-		ret = -ENOTSUPP;
-	} else {
-		ufs_qcom_phy->phy_spec_ops->start_serdes(ufs_qcom_phy);
-	}
-
-	return ret;
-}
-
-int ufs_qcom_phy_set_tx_lane_enable(struct phy *generic_phy, u32 tx_lanes)
-{
-	struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(generic_phy);
-	int ret = 0;
-
-	if (!ufs_qcom_phy->phy_spec_ops->set_tx_lane_enable) {
-		dev_err(ufs_qcom_phy->dev, "%s: set_tx_lane_enable() callback is not supported\n",
-			__func__);
-		ret = -ENOTSUPP;
-	} else {
-		ufs_qcom_phy->phy_spec_ops->set_tx_lane_enable(ufs_qcom_phy,
-							       tx_lanes);
-	}
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_set_tx_lane_enable);
-
-void ufs_qcom_phy_save_controller_version(struct phy *generic_phy,
-					  u8 major, u16 minor, u16 step)
-{
-	struct ufs_qcom_phy *ufs_qcom_phy = get_ufs_qcom_phy(generic_phy);
-
-	ufs_qcom_phy->host_ctrl_rev_major = major;
-	ufs_qcom_phy->host_ctrl_rev_minor = minor;
-	ufs_qcom_phy->host_ctrl_rev_step = step;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_save_controller_version);
-
-static int ufs_qcom_phy_is_pcs_ready(struct ufs_qcom_phy *ufs_qcom_phy)
-{
-	if (!ufs_qcom_phy->phy_spec_ops->is_physical_coding_sublayer_ready) {
-		dev_err(ufs_qcom_phy->dev, "%s: is_physical_coding_sublayer_ready() callback is not supported\n",
-			__func__);
-		return -ENOTSUPP;
-	}
-
-	return ufs_qcom_phy->phy_spec_ops->
-			is_physical_coding_sublayer_ready(ufs_qcom_phy);
-}
-
-int ufs_qcom_phy_power_on(struct phy *generic_phy)
-{
-	struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
-	struct device *dev = phy_common->dev;
-	bool is_rate_B = false;
-	int err;
-
-	err = ufs_qcom_phy_get_reset(phy_common);
-	if (err)
-		return err;
-
-	err = reset_control_assert(phy_common->ufs_reset);
-	if (err)
-		return err;
-
-	if (phy_common->mode == PHY_MODE_UFS_HS_B)
-		is_rate_B = true;
-
-	err = phy_common->phy_spec_ops->calibrate(phy_common, is_rate_B);
-	if (err)
-		return err;
-
-	err = reset_control_deassert(phy_common->ufs_reset);
-	if (err) {
-		dev_err(dev, "Failed to assert UFS PHY reset");
-		return err;
-	}
-
-	err = ufs_qcom_phy_start_serdes(phy_common);
-	if (err)
-		return err;
-
-	err = ufs_qcom_phy_is_pcs_ready(phy_common);
-	if (err)
-		return err;
-
-	err = ufs_qcom_phy_enable_vreg(dev, &phy_common->vdda_phy);
-	if (err) {
-		dev_err(dev, "%s enable vdda_phy failed, err=%d\n",
-			__func__, err);
-		goto out;
-	}
-
-	phy_common->phy_spec_ops->power_control(phy_common, true);
-
-	/* vdda_pll also enables ref clock LDOs so enable it first */
-	err = ufs_qcom_phy_enable_vreg(dev, &phy_common->vdda_pll);
-	if (err) {
-		dev_err(dev, "%s enable vdda_pll failed, err=%d\n",
-			__func__, err);
-		goto out_disable_phy;
-	}
-
-	err = ufs_qcom_phy_enable_iface_clk(phy_common);
-	if (err) {
-		dev_err(dev, "%s enable phy iface clock failed, err=%d\n",
-			__func__, err);
-		goto out_disable_pll;
-	}
-
-	err = ufs_qcom_phy_enable_ref_clk(phy_common);
-	if (err) {
-		dev_err(dev, "%s enable phy ref clock failed, err=%d\n",
-			__func__, err);
-		goto out_disable_iface_clk;
-	}
-
-	/* enable device PHY ref_clk pad rail */
-	if (phy_common->vddp_ref_clk.reg) {
-		err = ufs_qcom_phy_enable_vreg(dev,
-					       &phy_common->vddp_ref_clk);
-		if (err) {
-			dev_err(dev, "%s enable vddp_ref_clk failed, err=%d\n",
-				__func__, err);
-			goto out_disable_ref_clk;
-		}
-	}
-
-	goto out;
-
-out_disable_ref_clk:
-	ufs_qcom_phy_disable_ref_clk(phy_common);
-out_disable_iface_clk:
-	ufs_qcom_phy_disable_iface_clk(phy_common);
-out_disable_pll:
-	ufs_qcom_phy_disable_vreg(dev, &phy_common->vdda_pll);
-out_disable_phy:
-	ufs_qcom_phy_disable_vreg(dev, &phy_common->vdda_phy);
-out:
-	return err;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_on);
-
-int ufs_qcom_phy_power_off(struct phy *generic_phy)
-{
-	struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
-
-	phy_common->phy_spec_ops->power_control(phy_common, false);
-
-	if (phy_common->vddp_ref_clk.reg)
-		ufs_qcom_phy_disable_vreg(phy_common->dev,
-					  &phy_common->vddp_ref_clk);
-	ufs_qcom_phy_disable_ref_clk(phy_common);
-	ufs_qcom_phy_disable_iface_clk(phy_common);
-
-	ufs_qcom_phy_disable_vreg(phy_common->dev, &phy_common->vdda_pll);
-	ufs_qcom_phy_disable_vreg(phy_common->dev, &phy_common->vdda_phy);
-	reset_control_assert(phy_common->ufs_reset);
-	return 0;
-}
-EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_off);
-
-MODULE_AUTHOR("Yaniv Gardi <ygardi@codeaurora.org>");
-MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>");
-MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY");
-MODULE_LICENSE("GPL v2");

drivers/phy/renesas/phy-rcar-gen3-usb2.c

@@ -111,6 +111,7 @@ struct rcar_gen3_chan {
 	struct work_struct work;
 	struct mutex lock;	/* protects rphys[...].powered */
 	enum usb_dr_mode dr_mode;
+	int irq;
 	bool extcon_host;
 	bool is_otg_channel;
 	bool uses_otg_pins;
@@ -389,12 +390,40 @@ static void rcar_gen3_init_otg(struct rcar_gen3_chan *ch)
 	rcar_gen3_device_recognition(ch);
 }
 
+static irqreturn_t rcar_gen3_phy_usb2_irq(int irq, void *_ch)
+{
+	struct rcar_gen3_chan *ch = _ch;
+	void __iomem *usb2_base = ch->base;
+	u32 status = readl(usb2_base + USB2_OBINTSTA);
+	irqreturn_t ret = IRQ_NONE;
+
+	if (status & USB2_OBINT_BITS) {
+		dev_vdbg(ch->dev, "%s: %08x\n", __func__, status);
+		writel(USB2_OBINT_BITS, usb2_base + USB2_OBINTSTA);
+		rcar_gen3_device_recognition(ch);
+		ret = IRQ_HANDLED;
+	}
+
+	return ret;
+}
+
 static int rcar_gen3_phy_usb2_init(struct phy *p)
 {
 	struct rcar_gen3_phy *rphy = phy_get_drvdata(p);
 	struct rcar_gen3_chan *channel = rphy->ch;
 	void __iomem *usb2_base = channel->base;
 	u32 val;
+	int ret;
+
+	if (!rcar_gen3_is_any_rphy_initialized(channel) && channel->irq >= 0) {
+		INIT_WORK(&channel->work, rcar_gen3_phy_usb2_work);
+		ret = request_irq(channel->irq, rcar_gen3_phy_usb2_irq,
+				  IRQF_SHARED, dev_name(channel->dev), channel);
+		if (ret < 0) {
+			dev_err(channel->dev, "No irq handler (%d)\n", channel->irq);
+			return ret;
+		}
+	}
 
 	/* Initialize USB2 part */
 	val = readl(usb2_base + USB2_INT_ENABLE);
@@ -433,6 +462,9 @@ static int rcar_gen3_phy_usb2_exit(struct phy *p)
 		val &= ~USB2_INT_ENABLE_UCOM_INTEN;
 	writel(val, usb2_base + USB2_INT_ENABLE);
 
+	if (channel->irq >= 0 && !rcar_gen3_is_any_rphy_initialized(channel))
+		free_irq(channel->irq, channel);
+
 	return 0;
 }
 
@@ -503,23 +535,6 @@ static const struct phy_ops rz_g1c_phy_usb2_ops = {
 	.owner		= THIS_MODULE,
 };
 
-static irqreturn_t rcar_gen3_phy_usb2_irq(int irq, void *_ch)
-{
-	struct rcar_gen3_chan *ch = _ch;
-	void __iomem *usb2_base = ch->base;
-	u32 status = readl(usb2_base + USB2_OBINTSTA);
-	irqreturn_t ret = IRQ_NONE;
-
-	if (status & USB2_OBINT_BITS) {
-		dev_vdbg(ch->dev, "%s: %08x\n", __func__, status);
-		writel(USB2_OBINT_BITS, usb2_base + USB2_OBINTSTA);
-		rcar_gen3_device_recognition(ch);
-		ret = IRQ_HANDLED;
-	}
-
-	return ret;
-}
-
 static const struct of_device_id rcar_gen3_phy_usb2_match_table[] = {
 	{
 		.compatible = "renesas,usb2-phy-r8a77470",
@@ -598,7 +613,7 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
 	struct phy_provider *provider;
 	struct resource *res;
 	const struct phy_ops *phy_usb2_ops;
-	int irq, ret = 0, i;
+	int ret = 0, i;
 
 	if (!dev->of_node) {
 		dev_err(dev, "This driver needs device tree\n");
@@ -614,16 +629,8 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
 	if (IS_ERR(channel->base))
 		return PTR_ERR(channel->base);
 
-	/* call request_irq for OTG */
-	irq = platform_get_irq_optional(pdev, 0);
-	if (irq >= 0) {
-		INIT_WORK(&channel->work, rcar_gen3_phy_usb2_work);
-		irq = devm_request_irq(dev, irq, rcar_gen3_phy_usb2_irq,
-				       IRQF_SHARED, dev_name(dev), channel);
-		if (irq < 0)
-			dev_err(dev, "No irq handler (%d)\n", irq);
-	}
-
+	/* get irq number here and request_irq for OTG in phy_init */
+	channel->irq = platform_get_irq_optional(pdev, 0);
 	channel->dr_mode = rcar_gen3_get_dr_mode(dev->of_node);
 	if (channel->dr_mode != USB_DR_MODE_UNKNOWN) {
 		int ret;

drivers/phy/rockchip/phy-rockchip-typec.c

@@ -347,7 +347,7 @@ struct usb3phy_reg {
 };
 
 /**
- * struct rockchip_usb3phy_port_cfg: usb3-phy port configuration.
+ * struct rockchip_usb3phy_port_cfg - usb3-phy port configuration.
  * @reg: the base address for usb3-phy config.
  * @typec_conn_dir: the register of type-c connector direction.
  * @usb3tousb2_en: the register of type-c force usb2 to usb2 enable.

drivers/phy/samsung/Kconfig

@@ -3,23 +3,23 @@
 # Phy drivers for Samsung platforms
 #
 config PHY_EXYNOS_DP_VIDEO
-	tristate "EXYNOS SoC series Display Port PHY driver"
+	tristate "Exynos SoC series Display Port PHY driver"
 	depends on OF
 	depends on ARCH_EXYNOS || COMPILE_TEST
 	default ARCH_EXYNOS
 	select GENERIC_PHY
 	help
-	  Support for Display Port PHY found on Samsung EXYNOS SoCs.
+	  Support for Display Port PHY found on Samsung Exynos SoCs.
 
 config PHY_EXYNOS_MIPI_VIDEO
-	tristate "S5P/EXYNOS SoC series MIPI CSI-2/DSI PHY driver"
+	tristate "S5P/Exynos SoC series MIPI CSI-2/DSI PHY driver"
 	depends on HAS_IOMEM
 	depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
 	select GENERIC_PHY
 	default y if ARCH_S5PV210 || ARCH_EXYNOS
 	help
 	  Support for MIPI CSI-2 and MIPI DSI DPHY found on Samsung S5P
-	  and EXYNOS SoCs.
+	  and Exynos SoCs.
 
 config PHY_EXYNOS_PCIE
 	bool "Exynos PCIe PHY driver"
@@ -29,6 +29,15 @@ config PHY_EXYNOS_PCIE
 	  Enable PCIe PHY support for Exynos SoC series.
 	  This driver provides PHY interface for Exynos PCIe controller.
 
+config PHY_SAMSUNG_UFS
+	tristate "SAMSUNG SoC series UFS PHY driver"
+	depends on OF && (ARCH_EXYNOS || COMPILE_TEST)
+	select GENERIC_PHY
+	help
+	  Enable this to support the Samsung UFS PHY driver for
+	  Samsung SoCs. This driver provides the interface for UFS
+	  host controller to do PHY related programming.
+
 config PHY_SAMSUNG_USB2
 	tristate "Samsung USB 2.0 PHY driver"
 	depends on HAS_IOMEM

drivers/phy/samsung/Makefile

@@ -2,6 +2,7 @@
 obj-$(CONFIG_PHY_EXYNOS_DP_VIDEO)	+= phy-exynos-dp-video.o
 obj-$(CONFIG_PHY_EXYNOS_MIPI_VIDEO)	+= phy-exynos-mipi-video.o
 obj-$(CONFIG_PHY_EXYNOS_PCIE)		+= phy-exynos-pcie.o
+obj-$(CONFIG_PHY_SAMSUNG_UFS)		+= phy-samsung-ufs.o
 obj-$(CONFIG_PHY_SAMSUNG_USB2)		+= phy-exynos-usb2.o
 phy-exynos-usb2-y			+= phy-samsung-usb2.o
 phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4210_USB2)	+= phy-exynos4210-usb2.o

drivers/phy/samsung/phy-exynos-dp-video.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Samsung EXYNOS SoC series Display Port PHY driver
+ * Samsung Exynos SoC series Display Port PHY driver
  *
  * Copyright (C) 2013 Samsung Electronics Co., Ltd.
  * Author: Jingoo Han <jg1.han@samsung.com>
@@ -115,5 +115,5 @@ static struct platform_driver exynos_dp_video_phy_driver = {
 module_platform_driver(exynos_dp_video_phy_driver);
 
 MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
-MODULE_DESCRIPTION("Samsung EXYNOS SoC DP PHY driver");
+MODULE_DESCRIPTION("Samsung Exynos SoC DP PHY driver");
 MODULE_LICENSE("GPL v2");

drivers/phy/samsung/phy-exynos-mipi-video.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Samsung S5P/EXYNOS SoC series MIPI CSIS/DSIM DPHY driver
+ * Samsung S5P/Exynos SoC series MIPI CSIS/DSIM DPHY driver
  *
  * Copyright (C) 2013,2016 Samsung Electronics Co., Ltd.
  * Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
@@ -364,6 +364,6 @@ static struct platform_driver exynos_mipi_video_phy_driver = {
 };
 module_platform_driver(exynos_mipi_video_phy_driver);
 
-MODULE_DESCRIPTION("Samsung S5P/EXYNOS SoC MIPI CSI-2/DSI PHY driver");
+MODULE_DESCRIPTION("Samsung S5P/Exynos SoC MIPI CSI-2/DSI PHY driver");
 MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
 MODULE_LICENSE("GPL v2");

drivers/phy/samsung/phy-exynos-pcie.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Samsung EXYNOS SoC series PCIe PHY driver
+ * Samsung Exynos SoC series PCIe PHY driver
  *
  * Phy provider for PCIe controller on Exynos SoC series
  *

drivers/phy/samsung/phy-exynos5-usbdrd.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Samsung EXYNOS5 SoC series USB DRD PHY driver
+ * Samsung Exynos5 SoC series USB DRD PHY driver
  *
  * Phy provider for USB 3.0 DRD controller on Exynos5 SoC series
  *
@@ -33,7 +33,7 @@
 #define EXYNOS5_FSEL_24MHZ		0x5
 #define EXYNOS5_FSEL_50MHZ		0x7
 
-/* EXYNOS5: USB 3.0 DRD PHY registers */
+/* Exynos5: USB 3.0 DRD PHY registers */
 #define EXYNOS5_DRD_LINKSYSTEM			0x04
 
 #define LINKSYSTEM_FLADJ_MASK			(0x3f << 1)
@@ -180,14 +180,14 @@ struct exynos5_usbdrd_phy_drvdata {
  * @utmiclk: clock for utmi+ phy
  * @itpclk: clock for ITP generation
  * @drv_data: pointer to SoC level driver data structure
- * @phys[]: array for 'EXYNOS5_DRDPHYS_NUM' number of PHY
+ * @phys: array for 'EXYNOS5_DRDPHYS_NUM' number of PHY
  *	    instances each with its 'phy' and 'phy_cfg'.
  * @extrefclk: frequency select settings when using 'separate
  *	       reference clocks' for SS and HS operations
  * @ref_clk: reference clock to PHY block from which PHY's
  *	     operational clocks are derived
- * vbus: VBUS regulator for phy
- * vbus_boost: Boost regulator for VBUS present on few Exynos boards
+ * @vbus: VBUS regulator for phy
+ * @vbus_boost: Boost regulator for VBUS present on few Exynos boards
  */
 struct exynos5_usbdrd_phy {
 	struct device *dev;
@@ -714,7 +714,9 @@ static int exynos5_usbdrd_phy_calibrate(struct phy *phy)
 	struct phy_usb_instance *inst = phy_get_drvdata(phy);
 	struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst);
 
+	if (inst->phy_cfg->id == EXYNOS5_DRDPHY_UTMI)
 		return exynos5420_usbdrd_phy_calibrate(phy_drd);
+	return 0;
 }
 
 static const struct phy_ops exynos5_usbdrd_phy_ops = {
@@ -958,7 +960,7 @@ static struct platform_driver exynos5_usb3drd_phy = {
 };
 
 module_platform_driver(exynos5_usb3drd_phy);
-MODULE_DESCRIPTION("Samsung EXYNOS5 SoCs USB 3.0 DRD controller PHY driver");
+MODULE_DESCRIPTION("Samsung Exynos5 SoCs USB 3.0 DRD controller PHY driver");
 MODULE_AUTHOR("Vivek Gautam <gautam.vivek@samsung.com>");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:exynos5_usb3drd_phy");

drivers/phy/samsung/phy-exynos7-ufs.h

@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * UFS PHY driver data for Samsung EXYNOS7 SoC
+ *
+ * Copyright (C) 2020 Samsung Electronics Co., Ltd.
+ */
+#ifndef _PHY_EXYNOS7_UFS_H_
+#define _PHY_EXYNOS7_UFS_H_
+
+#include "phy-samsung-ufs.h"
+
+#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL	0x720
+#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_MASK	0x1
+#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN	BIT(0)
+
+/* Calibration for phy initialization */
+static const struct samsung_ufs_phy_cfg exynos7_pre_init_cfg[] = {
+	PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_ANY),
+	PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_ANY),
+	PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_ANY),
+	PHY_COMN_REG_CFG(0x017, 0x84, PWR_MODE_ANY),
+	PHY_TRSV_REG_CFG(0x035, 0x58, PWR_MODE_ANY),
+	PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_ANY),
+	PHY_TRSV_REG_CFG(0x037, 0x40, PWR_MODE_ANY),
+	PHY_TRSV_REG_CFG(0x03b, 0x83, PWR_MODE_ANY),
+	PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_ANY),
+	PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_ANY),
+	PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_ANY),
+	PHY_TRSV_REG_CFG(0x04c, 0x5b, PWR_MODE_ANY),
+	PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_ANY),
+	PHY_TRSV_REG_CFG(0x05c, 0x14, PWR_MODE_ANY),
+	END_UFS_PHY_CFG
+};
+
+/* Calibration for HS mode series A/B */
+static const struct samsung_ufs_phy_cfg exynos7_pre_pwr_hs_cfg[] = {
+	PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_HS_ANY),
+	PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_HS_ANY),
+	PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_HS_ANY),
+	/* Setting order: 1st(0x16, 2nd(0x15) */
+	PHY_COMN_REG_CFG(0x016, 0xff, PWR_MODE_HS_ANY),
+	PHY_COMN_REG_CFG(0x015, 0x80, PWR_MODE_HS_ANY),
+	PHY_COMN_REG_CFG(0x017, 0x94, PWR_MODE_HS_ANY),
+	PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_HS_ANY),
+	PHY_TRSV_REG_CFG(0x037, 0x43, PWR_MODE_HS_ANY),
+	PHY_TRSV_REG_CFG(0x038, 0x3f, PWR_MODE_HS_ANY),
+	PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_HS_G2_SER_A),
+	PHY_TRSV_REG_CFG(0x042, 0xbb, PWR_MODE_HS_G2_SER_B),
+	PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_HS_ANY),
+	PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_HS_ANY),
+	PHY_TRSV_REG_CFG(0x034, 0x35, PWR_MODE_HS_G2_SER_A),
+	PHY_TRSV_REG_CFG(0x034, 0x36, PWR_MODE_HS_G2_SER_B),
+	PHY_TRSV_REG_CFG(0x035, 0x5b, PWR_MODE_HS_G2_SER_A),
+	PHY_TRSV_REG_CFG(0x035, 0x5c, PWR_MODE_HS_G2_SER_B),
+	END_UFS_PHY_CFG
+};
+
+/* Calibration for HS mode series A/B atfer PMC */
+static const struct samsung_ufs_phy_cfg exynos7_post_pwr_hs_cfg[] = {
+	PHY_COMN_REG_CFG(0x015, 0x00, PWR_MODE_HS_ANY),
+	PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_HS_ANY),
+	END_UFS_PHY_CFG
+};
+
+static const struct samsung_ufs_phy_cfg *exynos7_ufs_phy_cfgs[CFG_TAG_MAX] = {
+	[CFG_PRE_INIT]		= exynos7_pre_init_cfg,
+	[CFG_PRE_PWR_HS]	= exynos7_pre_pwr_hs_cfg,
+	[CFG_POST_PWR_HS]	= exynos7_post_pwr_hs_cfg,
+};
+
+static struct samsung_ufs_phy_drvdata exynos7_ufs_phy = {
+	.cfg = exynos7_ufs_phy_cfgs,
+	.isol = {
+		.offset = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL,
+		.mask = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_MASK,
+		.en = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN,
+	},
+	.has_symbol_clk = 1,
+};
+
+#endif /* _PHY_EXYNOS7_UFS_H_ */

drivers/phy/samsung/phy-samsung-ufs.c

@@ -0,0 +1,366 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * UFS PHY driver for Samsung SoC
+ *
+ * Copyright (C) 2020 Samsung Electronics Co., Ltd.
+ * Author: Seungwon Jeon <essuuj@gmail.com>
+ * Author: Alim Akhtar <alim.akhtar@samsung.com>
+ *
+ */
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include "phy-samsung-ufs.h"
+
+#define for_each_phy_lane(phy, i) \
+	for (i = 0; i < (phy)->lane_cnt; i++)
+#define for_each_phy_cfg(cfg) \
+	for (; (cfg)->id; (cfg)++)
+
+#define PHY_DEF_LANE_CNT	1
+
+static void samsung_ufs_phy_config(struct samsung_ufs_phy *phy,
+				   const struct samsung_ufs_phy_cfg *cfg,
+				   u8 lane)
+{
+	enum {LANE_0, LANE_1}; /* lane index */
+
+	switch (lane) {
+	case LANE_0:
+		writel(cfg->val, (phy)->reg_pma + cfg->off_0);
+		break;
+	case LANE_1:
+		if (cfg->id == PHY_TRSV_BLK)
+			writel(cfg->val, (phy)->reg_pma + cfg->off_1);
+		break;
+	}
+}
+
+static int samsung_ufs_phy_wait_for_lock_acq(struct phy *phy)
+{
+	struct samsung_ufs_phy *ufs_phy = get_samsung_ufs_phy(phy);
+	const unsigned int timeout_us = 100000;
+	const unsigned int sleep_us = 10;
+	u32 val;
+	int err;
+
+	err = readl_poll_timeout(
+			ufs_phy->reg_pma + PHY_APB_ADDR(PHY_PLL_LOCK_STATUS),
+			val, (val & PHY_PLL_LOCK_BIT), sleep_us, timeout_us);
+	if (err) {
+		dev_err(ufs_phy->dev,
+			"failed to get phy pll lock acquisition %d\n", err);
+		goto out;
+	}
+
+	err = readl_poll_timeout(
+			ufs_phy->reg_pma + PHY_APB_ADDR(PHY_CDR_LOCK_STATUS),
+			val, (val & PHY_CDR_LOCK_BIT), sleep_us, timeout_us);
+	if (err)
+		dev_err(ufs_phy->dev,
+			"failed to get phy cdr lock acquisition %d\n", err);
+out:
+	return err;
+}
+
+static int samsung_ufs_phy_calibrate(struct phy *phy)
+{
+	struct samsung_ufs_phy *ufs_phy = get_samsung_ufs_phy(phy);
+	struct samsung_ufs_phy_cfg **cfgs = ufs_phy->cfg;
+	const struct samsung_ufs_phy_cfg *cfg;
+	int err = 0;
+	int i;
+
+	if (unlikely(ufs_phy->ufs_phy_state < CFG_PRE_INIT ||
+		     ufs_phy->ufs_phy_state >= CFG_TAG_MAX)) {
+		dev_err(ufs_phy->dev, "invalid phy config index %d\n", ufs_phy->ufs_phy_state);
+		return -EINVAL;
+	}
+
+	cfg = cfgs[ufs_phy->ufs_phy_state];
+	if (!cfg)
+		goto out;
+
+	for_each_phy_cfg(cfg) {
+		for_each_phy_lane(ufs_phy, i) {
+			samsung_ufs_phy_config(ufs_phy, cfg, i);
+		}
+	}
+
+	if (ufs_phy->ufs_phy_state == CFG_POST_PWR_HS)
+		err = samsung_ufs_phy_wait_for_lock_acq(phy);
+
+	/**
+	 * In Samsung ufshci, PHY need to be calibrated at different
+	 * stages / state mainly before Linkstartup, after Linkstartup,
+	 * before power mode change and after power mode change.
+	 * Below state machine to make sure to calibrate PHY in each
+	 * state. Here after configuring PHY in a given state, will
+	 * change the state to next state so that next state phy
+	 * calibration value can be programed
+	 */
+out:
+	switch (ufs_phy->ufs_phy_state) {
+	case CFG_PRE_INIT:
+		ufs_phy->ufs_phy_state = CFG_POST_INIT;
+		break;
+	case CFG_POST_INIT:
+		ufs_phy->ufs_phy_state = CFG_PRE_PWR_HS;
+		break;
+	case CFG_PRE_PWR_HS:
+		ufs_phy->ufs_phy_state = CFG_POST_PWR_HS;
+		break;
+	case CFG_POST_PWR_HS:
+		/* Change back to INIT state */
+		ufs_phy->ufs_phy_state = CFG_PRE_INIT;
+		break;
+	default:
+		dev_err(ufs_phy->dev, "wrong state for phy calibration\n");
+	}
+
+	return err;
+}
+
+static int samsung_ufs_phy_symbol_clk_init(struct samsung_ufs_phy *phy)
+{
+	int ret;
+
+	phy->tx0_symbol_clk = devm_clk_get(phy->dev, "tx0_symbol_clk");
+	if (IS_ERR(phy->tx0_symbol_clk)) {
+		dev_err(phy->dev, "failed to get tx0_symbol_clk clock\n");
+		return PTR_ERR(phy->tx0_symbol_clk);
+	}
+
+	phy->rx0_symbol_clk = devm_clk_get(phy->dev, "rx0_symbol_clk");
+	if (IS_ERR(phy->rx0_symbol_clk)) {
+		dev_err(phy->dev, "failed to get rx0_symbol_clk clock\n");
+		return PTR_ERR(phy->rx0_symbol_clk);
+	}
+
+	phy->rx1_symbol_clk = devm_clk_get(phy->dev, "rx1_symbol_clk");
+	if (IS_ERR(phy->rx1_symbol_clk)) {
+		dev_err(phy->dev, "failed to get rx1_symbol_clk clock\n");
+		return PTR_ERR(phy->rx1_symbol_clk);
+	}
+
+	ret = clk_prepare_enable(phy->tx0_symbol_clk);
+	if (ret) {
+		dev_err(phy->dev, "%s: tx0_symbol_clk enable failed %d\n", __func__, ret);
+		goto out;
+	}
+
+	ret = clk_prepare_enable(phy->rx0_symbol_clk);
+	if (ret) {
+		dev_err(phy->dev, "%s: rx0_symbol_clk enable failed %d\n", __func__, ret);
+		goto out_disable_tx0_clk;
+	}
+
+	ret = clk_prepare_enable(phy->rx1_symbol_clk);
+	if (ret) {
+		dev_err(phy->dev, "%s: rx1_symbol_clk enable failed %d\n", __func__, ret);
+		goto out_disable_rx0_clk;
+	}
+
+	return 0;
+
+out_disable_rx0_clk:
+	clk_disable_unprepare(phy->rx0_symbol_clk);
+out_disable_tx0_clk:
+	clk_disable_unprepare(phy->tx0_symbol_clk);
+out:
+	return ret;
+}
+
+static int samsung_ufs_phy_clks_init(struct samsung_ufs_phy *phy)
+{
+	int ret;
+
+	phy->ref_clk = devm_clk_get(phy->dev, "ref_clk");
+	if (IS_ERR(phy->ref_clk))
+		dev_err(phy->dev, "failed to get ref_clk clock\n");
+
+	ret = clk_prepare_enable(phy->ref_clk);
+	if (ret) {
+		dev_err(phy->dev, "%s: ref_clk enable failed %d\n", __func__, ret);
+		return ret;
+	}
+
+	dev_dbg(phy->dev, "UFS MPHY ref_clk_rate = %ld\n", clk_get_rate(phy->ref_clk));
+
+	return 0;
+}
+
+static int samsung_ufs_phy_init(struct phy *phy)
+{
+	struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
+	int ret;
+
+	ss_phy->lane_cnt = phy->attrs.bus_width;
+	ss_phy->ufs_phy_state = CFG_PRE_INIT;
+
+	if (ss_phy->drvdata->has_symbol_clk) {
+		ret = samsung_ufs_phy_symbol_clk_init(ss_phy);
+		if (ret)
+			dev_err(ss_phy->dev, "failed to set ufs phy symbol clocks\n");
+	}
+
+	ret = samsung_ufs_phy_clks_init(ss_phy);
+	if (ret)
+		dev_err(ss_phy->dev, "failed to set ufs phy clocks\n");
+
+	ret = samsung_ufs_phy_calibrate(phy);
+	if (ret)
+		dev_err(ss_phy->dev, "ufs phy calibration failed\n");
+
+	return ret;
+}
+
+static int samsung_ufs_phy_power_on(struct phy *phy)
+{
+	struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
+
+	samsung_ufs_phy_ctrl_isol(ss_phy, false);
+	return 0;
+}
+
+static int samsung_ufs_phy_power_off(struct phy *phy)
+{
+	struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
+
+	samsung_ufs_phy_ctrl_isol(ss_phy, true);
+	return 0;
+}
+
+static int samsung_ufs_phy_set_mode(struct phy *generic_phy,
+				    enum phy_mode mode, int submode)
+{
+	struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(generic_phy);
+
+	ss_phy->mode = PHY_MODE_INVALID;
+
+	if (mode > 0)
+		ss_phy->mode = mode;
+
+	return 0;
+}
+
+static int samsung_ufs_phy_exit(struct phy *phy)
+{
+	struct samsung_ufs_phy *ss_phy = get_samsung_ufs_phy(phy);
+
+	clk_disable_unprepare(ss_phy->ref_clk);
+
+	if (ss_phy->drvdata->has_symbol_clk) {
+		clk_disable_unprepare(ss_phy->tx0_symbol_clk);
+		clk_disable_unprepare(ss_phy->rx0_symbol_clk);
+		clk_disable_unprepare(ss_phy->rx1_symbol_clk);
+	}
+
+	return 0;
+}
+
+static struct phy_ops samsung_ufs_phy_ops = {
+	.init		= samsung_ufs_phy_init,
+	.exit		= samsung_ufs_phy_exit,
+	.power_on	= samsung_ufs_phy_power_on,
+	.power_off	= samsung_ufs_phy_power_off,
+	.calibrate	= samsung_ufs_phy_calibrate,
+	.set_mode	= samsung_ufs_phy_set_mode,
+	.owner          = THIS_MODULE,
+};
+
+static const struct of_device_id samsung_ufs_phy_match[];
+
+static int samsung_ufs_phy_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	const struct of_device_id *match;
+	struct samsung_ufs_phy *phy;
+	struct phy *gen_phy;
+	struct phy_provider *phy_provider;
+	const struct samsung_ufs_phy_drvdata *drvdata;
+	int err = 0;
+
+	match = of_match_node(samsung_ufs_phy_match, dev->of_node);
+	if (!match) {
+		err = -EINVAL;
+		dev_err(dev, "failed to get match_node\n");
+		goto out;
+	}
+
+	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
+	if (!phy) {
+		err = -ENOMEM;
+		goto out;
+	}
+
+	phy->reg_pma = devm_platform_ioremap_resource_byname(pdev, "phy-pma");
+	if (IS_ERR(phy->reg_pma)) {
+		err = PTR_ERR(phy->reg_pma);
+		goto out;
+	}
+
+	phy->reg_pmu = syscon_regmap_lookup_by_phandle(
+				dev->of_node, "samsung,pmu-syscon");
+	if (IS_ERR(phy->reg_pmu)) {
+		err = PTR_ERR(phy->reg_pmu);
+		dev_err(dev, "failed syscon remap for pmu\n");
+		goto out;
+	}
+
+	gen_phy = devm_phy_create(dev, NULL, &samsung_ufs_phy_ops);
+	if (IS_ERR(gen_phy)) {
+		err = PTR_ERR(gen_phy);
+		dev_err(dev, "failed to create PHY for ufs-phy\n");
+		goto out;
+	}
+
+	drvdata = match->data;
+	phy->dev = dev;
+	phy->drvdata = drvdata;
+	phy->cfg = (struct samsung_ufs_phy_cfg **)drvdata->cfg;
+	phy->isol = &drvdata->isol;
+	phy->lane_cnt = PHY_DEF_LANE_CNT;
+
+	phy_set_drvdata(gen_phy, phy);
+
+	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
+	if (IS_ERR(phy_provider)) {
+		err = PTR_ERR(phy_provider);
+		dev_err(dev, "failed to register phy-provider\n");
+		goto out;
+	}
+out:
+	return err;
+}
+
+static const struct of_device_id samsung_ufs_phy_match[] = {
+	{
+		.compatible = "samsung,exynos7-ufs-phy",
+		.data = &exynos7_ufs_phy,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, samsung_ufs_phy_match);
+
+static struct platform_driver samsung_ufs_phy_driver = {
+	.probe  = samsung_ufs_phy_probe,
+	.driver = {
+		.name = "samsung-ufs-phy",
+		.of_match_table = samsung_ufs_phy_match,
+	},
+};
+module_platform_driver(samsung_ufs_phy_driver);
+MODULE_DESCRIPTION("Samsung SoC UFS PHY Driver");
+MODULE_AUTHOR("Seungwon Jeon <essuuj@gmail.com>");
+MODULE_AUTHOR("Alim Akhtar <alim.akhtar@samsung.com>");
+MODULE_LICENSE("GPL v2");

drivers/phy/samsung/phy-samsung-ufs.h

@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * UFS PHY driver for Samsung EXYNOS SoC
+ *
+ * Copyright (C) 2020 Samsung Electronics Co., Ltd.
+ * Author: Seungwon Jeon <essuuj@gmail.com>
+ * Author: Alim Akhtar <alim.akhtar@samsung.com>
+ *
+ */
+#ifndef _PHY_SAMSUNG_UFS_
+#define _PHY_SAMSUNG_UFS_
+
+#define PHY_COMN_BLK	1
+#define PHY_TRSV_BLK	2
+#define END_UFS_PHY_CFG { 0 }
+#define PHY_TRSV_CH_OFFSET	0x30
+#define PHY_APB_ADDR(off)	((off) << 2)
+
+#define PHY_COMN_REG_CFG(o, v, d) {	\
+	.off_0 = PHY_APB_ADDR((o)),	\
+	.off_1 = 0,		\
+	.val = (v),		\
+	.desc = (d),		\
+	.id = PHY_COMN_BLK,	\
+}
+
+#define PHY_TRSV_REG_CFG(o, v, d) {	\
+	.off_0 = PHY_APB_ADDR((o)),	\
+	.off_1 = PHY_APB_ADDR((o) + PHY_TRSV_CH_OFFSET),	\
+	.val = (v),		\
+	.desc = (d),		\
+	.id = PHY_TRSV_BLK,	\
+}
+
+/* UFS PHY registers */
+#define PHY_PLL_LOCK_STATUS	0x1e
+#define PHY_CDR_LOCK_STATUS	0x5e
+
+#define PHY_PLL_LOCK_BIT	BIT(5)
+#define PHY_CDR_LOCK_BIT	BIT(4)
+
+/* description for PHY calibration */
+enum {
+	/* applicable to any */
+	PWR_DESC_ANY	= 0,
+	/* mode */
+	PWR_DESC_PWM	= 1,
+	PWR_DESC_HS	= 2,
+	/* series */
+	PWR_DESC_SER_A	= 1,
+	PWR_DESC_SER_B	= 2,
+	/* gear */
+	PWR_DESC_G1	= 1,
+	PWR_DESC_G2	= 2,
+	PWR_DESC_G3	= 3,
+	/* field mask */
+	MD_MASK		= 0x3,
+	SR_MASK		= 0x3,
+	GR_MASK		= 0x7,
+};
+
+#define PWR_MODE_HS_G1_ANY	PWR_MODE_HS(PWR_DESC_G1, PWR_DESC_ANY)
+#define PWR_MODE_HS_G1_SER_A	PWR_MODE_HS(PWR_DESC_G1, PWR_DESC_SER_A)
+#define PWR_MODE_HS_G1_SER_B	PWR_MODE_HS(PWR_DESC_G1, PWR_DESC_SER_B)
+#define PWR_MODE_HS_G2_ANY	PWR_MODE_HS(PWR_DESC_G2, PWR_DESC_ANY)
+#define PWR_MODE_HS_G2_SER_A	PWR_MODE_HS(PWR_DESC_G2, PWR_DESC_SER_A)
+#define PWR_MODE_HS_G2_SER_B	PWR_MODE_HS(PWR_DESC_G2, PWR_DESC_SER_B)
+#define PWR_MODE_HS_G3_ANY	PWR_MODE_HS(PWR_DESC_G3, PWR_DESC_ANY)
+#define PWR_MODE_HS_G3_SER_A	PWR_MODE_HS(PWR_DESC_G3, PWR_DESC_SER_A)
+#define PWR_MODE_HS_G3_SER_B	PWR_MODE_HS(PWR_DESC_G3, PWR_DESC_SER_B)
+#define PWR_MODE(g, s, m)	((((g) & GR_MASK) << 4) |\
+				 (((s) & SR_MASK) << 2) | ((m) & MD_MASK))
+#define PWR_MODE_PWM_ANY	PWR_MODE(PWR_DESC_ANY,\
+					 PWR_DESC_ANY, PWR_DESC_PWM)
+#define PWR_MODE_HS(g, s)	((((g) & GR_MASK) << 4) |\
+				 (((s) & SR_MASK) << 2) | PWR_DESC_HS)
+#define PWR_MODE_HS_ANY		PWR_MODE(PWR_DESC_ANY,\
+					 PWR_DESC_ANY, PWR_DESC_HS)
+#define PWR_MODE_ANY		PWR_MODE(PWR_DESC_ANY,\
+					 PWR_DESC_ANY, PWR_DESC_ANY)
+/* PHY calibration point/state */
+enum {
+	CFG_PRE_INIT,
+	CFG_POST_INIT,
+	CFG_PRE_PWR_HS,
+	CFG_POST_PWR_HS,
+	CFG_TAG_MAX,
+};
+
+struct samsung_ufs_phy_cfg {
+	u32 off_0;
+	u32 off_1;
+	u32 val;
+	u8 desc;
+	u8 id;
+};
+
+struct samsung_ufs_phy_drvdata {
+	const struct samsung_ufs_phy_cfg **cfg;
+	struct pmu_isol {
+		u32 offset;
+		u32 mask;
+		u32 en;
+	} isol;
+	bool has_symbol_clk;
+};
+
+struct samsung_ufs_phy {
+	struct device *dev;
+	void __iomem *reg_pma;
+	struct regmap *reg_pmu;
+	struct clk *ref_clk;
+	struct clk *ref_clk_parent;
+	struct clk *tx0_symbol_clk;
+	struct clk *rx0_symbol_clk;
+	struct clk *rx1_symbol_clk;
+	const struct samsung_ufs_phy_drvdata *drvdata;
+	struct samsung_ufs_phy_cfg **cfg;
+	const struct pmu_isol *isol;
+	u8 lane_cnt;
+	int ufs_phy_state;
+	enum phy_mode mode;
+};
+
+static inline struct samsung_ufs_phy *get_samsung_ufs_phy(struct phy *phy)
+{
+	return (struct samsung_ufs_phy *)phy_get_drvdata(phy);
+}
+
+static inline void samsung_ufs_phy_ctrl_isol(
+		struct samsung_ufs_phy *phy, u32 isol)
+{
+	regmap_update_bits(phy->reg_pmu, phy->isol->offset,
+			   phy->isol->mask, isol ? 0 : phy->isol->en);
+}
+
+#include "phy-exynos7-ufs.h"
+
+#endif /* _PHY_SAMSUNG_UFS_ */

drivers/phy/samsung/phy-samsung-usb2.c

@@ -255,7 +255,7 @@ static struct platform_driver samsung_usb2_phy_driver = {
 };
 
 module_platform_driver(samsung_usb2_phy_driver);
-MODULE_DESCRIPTION("Samsung S5P/EXYNOS SoC USB PHY driver");
+MODULE_DESCRIPTION("Samsung S5P/Exynos SoC USB PHY driver");
 MODULE_AUTHOR("Kamil Debski <k.debski@samsung.com>");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:samsung-usb2-phy");

drivers/phy/st/phy-stm32-usbphyc.c

@@ -327,7 +327,7 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
 	if (IS_ERR(usbphyc->base))
 		return PTR_ERR(usbphyc->base);
 
-	usbphyc->clk = devm_clk_get(dev, 0);
+	usbphyc->clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(usbphyc->clk)) {
 		ret = PTR_ERR(usbphyc->clk);
 		dev_err(dev, "clk get failed: %d\n", ret);
@@ -340,7 +340,7 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	usbphyc->rst = devm_reset_control_get(dev, 0);
+	usbphyc->rst = devm_reset_control_get(dev, NULL);
 	if (!IS_ERR(usbphyc->rst)) {
 		reset_control_assert(usbphyc->rst);
 		udelay(2);

drivers/phy/ti/phy-dm816x-usb.c

@@ -82,13 +82,12 @@ static int dm816x_usb_phy_init(struct phy *x)
 {
 	struct dm816x_usb_phy *phy = phy_get_drvdata(x);
 	unsigned int val;
-	int error;
 
 	if (clk_get_rate(phy->refclk) != 24000000)
 		dev_warn(phy->dev, "nonstandard phy refclk\n");
 
 	/* Set PLL ref clock and put phys to sleep */
-	error = regmap_update_bits(phy->syscon, phy->usb_ctrl,
+	regmap_update_bits(phy->syscon, phy->usb_ctrl,
 			   DM816X_USB_CTRL_PHYCLKSRC |
 			   DM816X_USB_CTRL_PHYSLEEP1 |
 			   DM816X_USB_CTRL_PHYSLEEP0,

drivers/phy/ti/phy-ti-pipe3.c

@@ -337,7 +337,6 @@ static int ti_pipe3_power_on(struct phy *x)
 {
 	u32 val;
 	u32 mask;
-	int ret;
 	unsigned long rate;
 	struct ti_pipe3 *phy = phy_get_drvdata(x);
 	bool rx_pending = false;
@@ -355,7 +354,7 @@ static int ti_pipe3_power_on(struct phy *x)
 	rate = rate / 1000000;
 	mask = OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_MASK;
 	val = rate << OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_SHIFT;
-	ret = regmap_update_bits(phy->phy_power_syscon, phy->power_reg,
+	regmap_update_bits(phy->phy_power_syscon, phy->power_reg,
 			   mask, val);
 	/*
 	 * For PCIe, TX and RX must be powered on simultaneously.

drivers/phy/xilinx/Kconfig

@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+#
+# PHY drivers for Xilinx platforms
+#
+
+config PHY_XILINX_ZYNQMP
+	tristate "Xilinx ZynqMP PHY driver"
+	depends on ARCH_ZYNQMP || COMPILE_TEST
+	select GENERIC_PHY
+	help
+	  Enable this to support ZynqMP High Speed Gigabit Transceiver
+	  that is part of ZynqMP SoC.

drivers/phy/xilinx/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_PHY_XILINX_ZYNQMP)		+= phy-zynqmp.o

drivers/phy/xilinx/phy-zynqmp.c

@@ -0,0 +1,993 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * phy-zynqmp.c - PHY driver for Xilinx ZynqMP GT.
+ *
+ * Copyright (C) 2018-2020 Xilinx Inc.
+ *
+ * Author: Anurag Kumar Vulisha <anuragku@xilinx.com>
+ * Author: Subbaraya Sundeep <sundeep.lkml@gmail.com>
+ * Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ *
+ * This driver is tested for USB, SATA and Display Port currently.
+ * Other controllers PCIe and SGMII should also work but that is
+ * experimental as of now.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/phy/phy.h>
+
+/*
+ * Lane Registers
+ */
+
+/* TX De-emphasis parameters */
+#define L0_TX_ANA_TM_18			0x0048
+#define L0_TX_ANA_TM_118		0x01d8
+#define L0_TX_ANA_TM_118_FORCE_17_0	BIT(0)
+
+/* DN Resistor calibration code parameters */
+#define L0_TXPMA_ST_3			0x0b0c
+#define L0_DN_CALIB_CODE		0x3f
+
+/* PMA control parameters */
+#define L0_TXPMD_TM_45			0x0cb4
+#define L0_TXPMD_TM_48			0x0cc0
+#define L0_TXPMD_TM_45_OVER_DP_MAIN	BIT(0)
+#define L0_TXPMD_TM_45_ENABLE_DP_MAIN	BIT(1)
+#define L0_TXPMD_TM_45_OVER_DP_POST1	BIT(2)
+#define L0_TXPMD_TM_45_ENABLE_DP_POST1	BIT(3)
+#define L0_TXPMD_TM_45_OVER_DP_POST2	BIT(4)
+#define L0_TXPMD_TM_45_ENABLE_DP_POST2	BIT(5)
+
+/* PCS control parameters */
+#define L0_TM_DIG_6			0x106c
+#define L0_TM_DIS_DESCRAMBLE_DECODER	0x0f
+#define L0_TX_DIG_61			0x00f4
+#define L0_TM_DISABLE_SCRAMBLE_ENCODER	0x0f
+
+/* PLL Test Mode register parameters */
+#define L0_TM_PLL_DIG_37		0x2094
+#define L0_TM_COARSE_CODE_LIMIT		0x10
+
+/* PLL SSC step size offsets */
+#define L0_PLL_SS_STEPS_0_LSB		0x2368
+#define L0_PLL_SS_STEPS_1_MSB		0x236c
+#define L0_PLL_SS_STEP_SIZE_0_LSB	0x2370
+#define L0_PLL_SS_STEP_SIZE_1		0x2374
+#define L0_PLL_SS_STEP_SIZE_2		0x2378
+#define L0_PLL_SS_STEP_SIZE_3_MSB	0x237c
+#define L0_PLL_STATUS_READ_1		0x23e4
+
+/* SSC step size parameters */
+#define STEP_SIZE_0_MASK		0xff
+#define STEP_SIZE_1_MASK		0xff
+#define STEP_SIZE_2_MASK		0xff
+#define STEP_SIZE_3_MASK		0x3
+#define STEP_SIZE_SHIFT			8
+#define FORCE_STEP_SIZE			0x10
+#define FORCE_STEPS			0x20
+#define STEPS_0_MASK			0xff
+#define STEPS_1_MASK			0x07
+
+/* Reference clock selection parameters */
+#define L0_Ln_REF_CLK_SEL(n)		(0x2860 + (n) * 4)
+#define L0_REF_CLK_SEL_MASK		0x8f
+
+/* Calibration digital logic parameters */
+#define L3_TM_CALIB_DIG19		0xec4c
+#define L3_CALIB_DONE_STATUS		0xef14
+#define L3_TM_CALIB_DIG18		0xec48
+#define L3_TM_CALIB_DIG19_NSW		0x07
+#define L3_TM_CALIB_DIG18_NSW		0xe0
+#define L3_TM_OVERRIDE_NSW_CODE         0x20
+#define L3_CALIB_DONE			0x02
+#define L3_NSW_SHIFT			5
+#define L3_NSW_PIPE_SHIFT		4
+#define L3_NSW_CALIB_SHIFT		3
+
+#define PHY_REG_OFFSET			0x4000
+
+/*
+ * Global Registers
+ */
+
+/* Refclk selection parameters */
+#define PLL_REF_SEL(n)			(0x10000 + (n) * 4)
+#define PLL_FREQ_MASK			0x1f
+#define PLL_STATUS_LOCKED		0x10
+
+/* Inter Connect Matrix parameters */
+#define ICM_CFG0			0x10010
+#define ICM_CFG1			0x10014
+#define ICM_CFG0_L0_MASK		0x07
+#define ICM_CFG0_L1_MASK		0x70
+#define ICM_CFG1_L2_MASK		0x07
+#define ICM_CFG2_L3_MASK		0x70
+#define ICM_CFG_SHIFT			4
+
+/* Inter Connect Matrix allowed protocols */
+#define ICM_PROTOCOL_PD			0x0
+#define ICM_PROTOCOL_PCIE		0x1
+#define ICM_PROTOCOL_SATA		0x2
+#define ICM_PROTOCOL_USB		0x3
+#define ICM_PROTOCOL_DP			0x4
+#define ICM_PROTOCOL_SGMII		0x5
+
+/* Test Mode common reset control  parameters */
+#define TM_CMN_RST			0x10018
+#define TM_CMN_RST_EN			0x1
+#define TM_CMN_RST_SET			0x2
+#define TM_CMN_RST_MASK			0x3
+
+/* Bus width parameters */
+#define TX_PROT_BUS_WIDTH		0x10040
+#define RX_PROT_BUS_WIDTH		0x10044
+#define PROT_BUS_WIDTH_10		0x0
+#define PROT_BUS_WIDTH_20		0x1
+#define PROT_BUS_WIDTH_40		0x2
+#define PROT_BUS_WIDTH_SHIFT		2
+
+/* Number of GT lanes */
+#define NUM_LANES			4
+
+/* SIOU SATA control register */
+#define SATA_CONTROL_OFFSET		0x0100
+
+/* Total number of controllers */
+#define CONTROLLERS_PER_LANE		5
+
+/* Protocol Type parameters */
+#define XPSGTR_TYPE_USB0		0  /* USB controller 0 */
+#define XPSGTR_TYPE_USB1		1  /* USB controller 1 */
+#define XPSGTR_TYPE_SATA_0		2  /* SATA controller lane 0 */
+#define XPSGTR_TYPE_SATA_1		3  /* SATA controller lane 1 */
+#define XPSGTR_TYPE_PCIE_0		4  /* PCIe controller lane 0 */
+#define XPSGTR_TYPE_PCIE_1		5  /* PCIe controller lane 1 */
+#define XPSGTR_TYPE_PCIE_2		6  /* PCIe controller lane 2 */
+#define XPSGTR_TYPE_PCIE_3		7  /* PCIe controller lane 3 */
+#define XPSGTR_TYPE_DP_0		8  /* Display Port controller lane 0 */
+#define XPSGTR_TYPE_DP_1		9  /* Display Port controller lane 1 */
+#define XPSGTR_TYPE_SGMII0		10 /* Ethernet SGMII controller 0 */
+#define XPSGTR_TYPE_SGMII1		11 /* Ethernet SGMII controller 1 */
+#define XPSGTR_TYPE_SGMII2		12 /* Ethernet SGMII controller 2 */
+#define XPSGTR_TYPE_SGMII3		13 /* Ethernet SGMII controller 3 */
+
+/* Timeout values */
+#define TIMEOUT_US			1000
+
+struct xpsgtr_dev;
+
+/**
+ * struct xpsgtr_ssc - structure to hold SSC settings for a lane
+ * @refclk_rate: PLL reference clock frequency
+ * @pll_ref_clk: value to be written to register for corresponding ref clk rate
+ * @steps: number of steps of SSC (Spread Spectrum Clock)
+ * @step_size: step size of each step
+ */
+struct xpsgtr_ssc {
+	u32 refclk_rate;
+	u8  pll_ref_clk;
+	u32 steps;
+	u32 step_size;
+};
+
+/**
+ * struct xpsgtr_phy - representation of a lane
+ * @phy: pointer to the kernel PHY device
+ * @type: controller which uses this lane
+ * @lane: lane number
+ * @protocol: protocol in which the lane operates
+ * @skip_phy_init: skip phy_init() if true
+ * @dev: pointer to the xpsgtr_dev instance
+ * @refclk: reference clock index
+ */
+struct xpsgtr_phy {
+	struct phy *phy;
+	u8 type;
+	u8 lane;
+	u8 protocol;
+	bool skip_phy_init;
+	struct xpsgtr_dev *dev;
+	unsigned int refclk;
+};
+
+/**
+ * struct xpsgtr_dev - representation of a ZynMP GT device
+ * @dev: pointer to device
+ * @serdes: serdes base address
+ * @siou: siou base address
+ * @gtr_mutex: mutex for locking
+ * @phys: PHY lanes
+ * @refclk_sscs: spread spectrum settings for the reference clocks
+ * @tx_term_fix: fix for GT issue
+ * @saved_icm_cfg0: stored value of ICM CFG0 register
+ * @saved_icm_cfg1: stored value of ICM CFG1 register
+ */
+struct xpsgtr_dev {
+	struct device *dev;
+	void __iomem *serdes;
+	void __iomem *siou;
+	struct mutex gtr_mutex; /* mutex for locking */
+	struct xpsgtr_phy phys[NUM_LANES];
+	const struct xpsgtr_ssc *refclk_sscs[NUM_LANES];
+	bool tx_term_fix;
+	unsigned int saved_icm_cfg0;
+	unsigned int saved_icm_cfg1;
+};
+
+/*
+ * Configuration Data
+ */
+
+/* lookup table to hold all settings needed for a ref clock frequency */
+static const struct xpsgtr_ssc ssc_lookup[] = {
+	{  19200000, 0x05,  608, 264020 },
+	{  20000000, 0x06,  634, 243454 },
+	{  24000000, 0x07,  760, 168973 },
+	{  26000000, 0x08,  824, 143860 },
+	{  27000000, 0x09,  856,  86551 },
+	{  38400000, 0x0a, 1218,  65896 },
+	{  40000000, 0x0b,  634, 243454 },
+	{  52000000, 0x0c,  824, 143860 },
+	{ 100000000, 0x0d, 1058,  87533 },
+	{ 108000000, 0x0e,  856,  86551 },
+	{ 125000000, 0x0f,  992, 119497 },
+	{ 135000000, 0x10, 1070,  55393 },
+	{ 150000000, 0x11,  792, 187091 }
+};
+
+/*
+ * I/O Accessors
+ */
+
+static inline u32 xpsgtr_read(struct xpsgtr_dev *gtr_dev, u32 reg)
+{
+	return readl(gtr_dev->serdes + reg);
+}
+
+static inline void xpsgtr_write(struct xpsgtr_dev *gtr_dev, u32 reg, u32 value)
+{
+	writel(value, gtr_dev->serdes + reg);
+}
+
+static inline void xpsgtr_clr_set(struct xpsgtr_dev *gtr_dev, u32 reg,
+				  u32 clr, u32 set)
+{
+	u32 value = xpsgtr_read(gtr_dev, reg);
+
+	value &= ~clr;
+	value |= set;
+	xpsgtr_write(gtr_dev, reg, value);
+}
+
+static inline u32 xpsgtr_read_phy(struct xpsgtr_phy *gtr_phy, u32 reg)
+{
+	void __iomem *addr = gtr_phy->dev->serdes
+			   + gtr_phy->lane * PHY_REG_OFFSET + reg;
+
+	return readl(addr);
+}
+
+static inline void xpsgtr_write_phy(struct xpsgtr_phy *gtr_phy,
+				    u32 reg, u32 value)
+{
+	void __iomem *addr = gtr_phy->dev->serdes
+			   + gtr_phy->lane * PHY_REG_OFFSET + reg;
+
+	writel(value, addr);
+}
+
+static inline void xpsgtr_clr_set_phy(struct xpsgtr_phy *gtr_phy,
+				      u32 reg, u32 clr, u32 set)
+{
+	void __iomem *addr = gtr_phy->dev->serdes
+			   + gtr_phy->lane * PHY_REG_OFFSET + reg;
+
+	writel((readl(addr) & ~clr) | set, addr);
+}
+
+/*
+ * Hardware Configuration
+ */
+
+/* Wait for the PLL to lock (with a timeout). */
+static int xpsgtr_wait_pll_lock(struct phy *phy)
+{
+	struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
+	struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+	unsigned int timeout = TIMEOUT_US;
+	int ret;
+
+	dev_dbg(gtr_dev->dev, "Waiting for PLL lock\n");
+
+	while (1) {
+		u32 reg = xpsgtr_read_phy(gtr_phy, L0_PLL_STATUS_READ_1);
+
+		if ((reg & PLL_STATUS_LOCKED) == PLL_STATUS_LOCKED) {
+			ret = 0;
+			break;
+		}
+
+		if (--timeout == 0) {
+			ret = -ETIMEDOUT;
+			break;
+		}
+
+		udelay(1);
+	}
+
+	if (ret == -ETIMEDOUT)
+		dev_err(gtr_dev->dev,
+			"lane %u (type %u, protocol %u): PLL lock timeout\n",
+			gtr_phy->lane, gtr_phy->type, gtr_phy->protocol);
+
+	return ret;
+}
+
+/* Configure PLL and spread-sprectrum clock. */
+static void xpsgtr_configure_pll(struct xpsgtr_phy *gtr_phy)
+{
+	const struct xpsgtr_ssc *ssc;
+	u32 step_size;
+
+	ssc = gtr_phy->dev->refclk_sscs[gtr_phy->refclk];
+	step_size = ssc->step_size;
+
+	xpsgtr_clr_set(gtr_phy->dev, PLL_REF_SEL(gtr_phy->lane),
+		       PLL_FREQ_MASK, ssc->pll_ref_clk);
+
+	/* Enable lane clock sharing, if required */
+	if (gtr_phy->refclk != gtr_phy->lane) {
+		/* Lane3 Ref Clock Selection Register */
+		xpsgtr_clr_set(gtr_phy->dev, L0_Ln_REF_CLK_SEL(gtr_phy->lane),
+			       L0_REF_CLK_SEL_MASK, 1 << gtr_phy->refclk);
+	}
+
+	/* SSC step size [7:0] */
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_0_LSB,
+			   STEP_SIZE_0_MASK, step_size & STEP_SIZE_0_MASK);
+
+	/* SSC step size [15:8] */
+	step_size >>= STEP_SIZE_SHIFT;
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_1,
+			   STEP_SIZE_1_MASK, step_size & STEP_SIZE_1_MASK);
+
+	/* SSC step size [23:16] */
+	step_size >>= STEP_SIZE_SHIFT;
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_2,
+			   STEP_SIZE_2_MASK, step_size & STEP_SIZE_2_MASK);
+
+	/* SSC steps [7:0] */
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEPS_0_LSB,
+			   STEPS_0_MASK, ssc->steps & STEPS_0_MASK);
+
+	/* SSC steps [10:8] */
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEPS_1_MSB,
+			   STEPS_1_MASK,
+			   (ssc->steps >> STEP_SIZE_SHIFT) & STEPS_1_MASK);
+
+	/* SSC step size [24:25] */
+	step_size >>= STEP_SIZE_SHIFT;
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_3_MSB,
+			   STEP_SIZE_3_MASK, (step_size & STEP_SIZE_3_MASK) |
+			   FORCE_STEP_SIZE | FORCE_STEPS);
+}
+
+/* Configure the lane protocol. */
+static void xpsgtr_lane_set_protocol(struct xpsgtr_phy *gtr_phy)
+{
+	struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+	u8 protocol = gtr_phy->protocol;
+
+	switch (gtr_phy->lane) {
+	case 0:
+		xpsgtr_clr_set(gtr_dev, ICM_CFG0, ICM_CFG0_L0_MASK, protocol);
+		break;
+	case 1:
+		xpsgtr_clr_set(gtr_dev, ICM_CFG0, ICM_CFG0_L1_MASK,
+			       protocol << ICM_CFG_SHIFT);
+		break;
+	case 2:
+		xpsgtr_clr_set(gtr_dev, ICM_CFG1, ICM_CFG0_L0_MASK, protocol);
+		break;
+	case 3:
+		xpsgtr_clr_set(gtr_dev, ICM_CFG1, ICM_CFG0_L1_MASK,
+			       protocol << ICM_CFG_SHIFT);
+		break;
+	default:
+		/* We already checked 0 <= lane <= 3 */
+		break;
+	}
+}
+
+/* Bypass (de)scrambler and 8b/10b decoder and encoder. */
+static void xpsgtr_bypass_scrambler_8b10b(struct xpsgtr_phy *gtr_phy)
+{
+	xpsgtr_write_phy(gtr_phy, L0_TM_DIG_6, L0_TM_DIS_DESCRAMBLE_DECODER);
+	xpsgtr_write_phy(gtr_phy, L0_TX_DIG_61, L0_TM_DISABLE_SCRAMBLE_ENCODER);
+}
+
+/* DP-specific initialization. */
+static void xpsgtr_phy_init_dp(struct xpsgtr_phy *gtr_phy)
+{
+	xpsgtr_write_phy(gtr_phy, L0_TXPMD_TM_45,
+			 L0_TXPMD_TM_45_OVER_DP_MAIN |
+			 L0_TXPMD_TM_45_ENABLE_DP_MAIN |
+			 L0_TXPMD_TM_45_OVER_DP_POST1 |
+			 L0_TXPMD_TM_45_OVER_DP_POST2 |
+			 L0_TXPMD_TM_45_ENABLE_DP_POST2);
+	xpsgtr_write_phy(gtr_phy, L0_TX_ANA_TM_118,
+			 L0_TX_ANA_TM_118_FORCE_17_0);
+}
+
+/* SATA-specific initialization. */
+static void xpsgtr_phy_init_sata(struct xpsgtr_phy *gtr_phy)
+{
+	struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+
+	xpsgtr_bypass_scrambler_8b10b(gtr_phy);
+
+	writel(gtr_phy->lane, gtr_dev->siou + SATA_CONTROL_OFFSET);
+}
+
+/* SGMII-specific initialization. */
+static void xpsgtr_phy_init_sgmii(struct xpsgtr_phy *gtr_phy)
+{
+	struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+
+	/* Set SGMII protocol TX and RX bus width to 10 bits. */
+	xpsgtr_write(gtr_dev, TX_PROT_BUS_WIDTH,
+		     PROT_BUS_WIDTH_10 << (gtr_phy->lane * PROT_BUS_WIDTH_SHIFT));
+	xpsgtr_write(gtr_dev, RX_PROT_BUS_WIDTH,
+		     PROT_BUS_WIDTH_10 << (gtr_phy->lane * PROT_BUS_WIDTH_SHIFT));
+
+	xpsgtr_bypass_scrambler_8b10b(gtr_phy);
+}
+
+/* Configure TX de-emphasis and margining for DP. */
+static void xpsgtr_phy_configure_dp(struct xpsgtr_phy *gtr_phy, unsigned int pre,
+				    unsigned int voltage)
+{
+	static const u8 voltage_swing[4][4] = {
+		{ 0x2a, 0x27, 0x24, 0x20 },
+		{ 0x27, 0x23, 0x20, 0xff },
+		{ 0x24, 0x20, 0xff, 0xff },
+		{ 0xff, 0xff, 0xff, 0xff }
+	};
+	static const u8 pre_emphasis[4][4] = {
+		{ 0x02, 0x02, 0x02, 0x02 },
+		{ 0x01, 0x01, 0x01, 0xff },
+		{ 0x00, 0x00, 0xff, 0xff },
+		{ 0xff, 0xff, 0xff, 0xff }
+	};
+
+	xpsgtr_write_phy(gtr_phy, L0_TXPMD_TM_48, voltage_swing[pre][voltage]);
+	xpsgtr_write_phy(gtr_phy, L0_TX_ANA_TM_18, pre_emphasis[pre][voltage]);
+}
+
+/*
+ * PHY Operations
+ */
+
+static bool xpsgtr_phy_init_required(struct xpsgtr_phy *gtr_phy)
+{
+	/*
+	 * As USB may save the snapshot of the states during hibernation, doing
+	 * phy_init() will put the USB controller into reset, resulting in the
+	 * losing of the saved snapshot. So try to avoid phy_init() for USB
+	 * except when gtr_phy->skip_phy_init is false (this happens when FPD is
+	 * shutdown during suspend or when gt lane is changed from current one)
+	 */
+	if (gtr_phy->protocol == ICM_PROTOCOL_USB && gtr_phy->skip_phy_init)
+		return false;
+	else
+		return true;
+}
+
+/*
+ * There is a functional issue in the GT. The TX termination resistance can be
+ * out of spec due to a issue in the calibration logic. This is the workaround
+ * to fix it, required for XCZU9EG silicon.
+ */
+static int xpsgtr_phy_tx_term_fix(struct xpsgtr_phy *gtr_phy)
+{
+	struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+	u32 timeout = TIMEOUT_US;
+	u32 nsw;
+
+	/* Enabling Test Mode control for CMN Rest */
+	xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_SET);
+
+	/* Set Test Mode reset */
+	xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_EN);
+
+	xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG18, 0x00);
+	xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG19, L3_TM_OVERRIDE_NSW_CODE);
+
+	/*
+	 * As a part of work around sequence for PMOS calibration fix,
+	 * we need to configure any lane ICM_CFG to valid protocol. This
+	 * will deassert the CMN_Resetn signal.
+	 */
+	xpsgtr_lane_set_protocol(gtr_phy);
+
+	/* Clear Test Mode reset */
+	xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_SET);
+
+	dev_dbg(gtr_dev->dev, "calibrating...\n");
+
+	do {
+		u32 reg = xpsgtr_read(gtr_dev, L3_CALIB_DONE_STATUS);
+
+		if ((reg & L3_CALIB_DONE) == L3_CALIB_DONE)
+			break;
+
+		if (!--timeout) {
+			dev_err(gtr_dev->dev, "calibration time out\n");
+			return -ETIMEDOUT;
+		}
+
+		udelay(1);
+	} while (timeout > 0);
+
+	dev_dbg(gtr_dev->dev, "calibration done\n");
+
+	/* Reading NMOS Register Code */
+	nsw = xpsgtr_read(gtr_dev, L0_TXPMA_ST_3) & L0_DN_CALIB_CODE;
+
+	/* Set Test Mode reset */
+	xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_EN);
+
+	/* Writing NMOS register values back [5:3] */
+	xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG19, nsw >> L3_NSW_CALIB_SHIFT);
+
+	/* Writing NMOS register value [2:0] */
+	xpsgtr_write(gtr_dev, L3_TM_CALIB_DIG18,
+		     ((nsw & L3_TM_CALIB_DIG19_NSW) << L3_NSW_SHIFT) |
+		     (1 << L3_NSW_PIPE_SHIFT));
+
+	/* Clear Test Mode reset */
+	xpsgtr_clr_set(gtr_dev, TM_CMN_RST, TM_CMN_RST_MASK, TM_CMN_RST_SET);
+
+	return 0;
+}
+
+static int xpsgtr_phy_init(struct phy *phy)
+{
+	struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
+	struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+	int ret = 0;
+
+	mutex_lock(&gtr_dev->gtr_mutex);
+
+	/* Skip initialization if not required. */
+	if (!xpsgtr_phy_init_required(gtr_phy))
+		goto out;
+
+	if (gtr_dev->tx_term_fix) {
+		ret = xpsgtr_phy_tx_term_fix(gtr_phy);
+		if (ret < 0)
+			goto out;
+
+		gtr_dev->tx_term_fix = false;
+	}
+
+	/* Enable coarse code saturation limiting logic. */
+	xpsgtr_write_phy(gtr_phy, L0_TM_PLL_DIG_37, L0_TM_COARSE_CODE_LIMIT);
+
+	/*
+	 * Configure the PLL, the lane protocol, and perform protocol-specific
+	 * initialization.
+	 */
+	xpsgtr_configure_pll(gtr_phy);
+	xpsgtr_lane_set_protocol(gtr_phy);
+
+	switch (gtr_phy->protocol) {
+	case ICM_PROTOCOL_DP:
+		xpsgtr_phy_init_dp(gtr_phy);
+		break;
+
+	case ICM_PROTOCOL_SATA:
+		xpsgtr_phy_init_sata(gtr_phy);
+		break;
+
+	case ICM_PROTOCOL_SGMII:
+		xpsgtr_phy_init_sgmii(gtr_phy);
+		break;
+	}
+
+out:
+	mutex_unlock(&gtr_dev->gtr_mutex);
+	return ret;
+}
+
+static int xpsgtr_phy_exit(struct phy *phy)
+{
+	struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
+
+	gtr_phy->skip_phy_init = false;
+
+	return 0;
+}
+
+static int xpsgtr_phy_power_on(struct phy *phy)
+{
+	struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
+	int ret = 0;
+
+	/*
+	 * Wait for the PLL to lock. For DP, only wait on DP0 to avoid
+	 * cumulating waits for both lanes. The user is expected to initialize
+	 * lane 0 last.
+	 */
+	if (gtr_phy->protocol != ICM_PROTOCOL_DP ||
+	    gtr_phy->type == XPSGTR_TYPE_DP_0)
+		ret = xpsgtr_wait_pll_lock(phy);
+
+	return ret;
+}
+
+static int xpsgtr_phy_configure(struct phy *phy, union phy_configure_opts *opts)
+{
+	struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
+
+	if (gtr_phy->protocol != ICM_PROTOCOL_DP)
+		return 0;
+
+	xpsgtr_phy_configure_dp(gtr_phy, opts->dp.pre[0], opts->dp.voltage[0]);
+
+	return 0;
+}
+
+static const struct phy_ops xpsgtr_phyops = {
+	.init		= xpsgtr_phy_init,
+	.exit		= xpsgtr_phy_exit,
+	.power_on	= xpsgtr_phy_power_on,
+	.configure	= xpsgtr_phy_configure,
+	.owner		= THIS_MODULE,
+};
+
+/*
+ * OF Xlate Support
+ */
+
+/* Set the lane type and protocol based on the PHY type and instance number. */
+static int xpsgtr_set_lane_type(struct xpsgtr_phy *gtr_phy, u8 phy_type,
+				unsigned int phy_instance)
+{
+	unsigned int num_phy_types;
+	const int *phy_types;
+
+	switch (phy_type) {
+	case PHY_TYPE_SATA: {
+		static const int types[] = {
+			XPSGTR_TYPE_SATA_0,
+			XPSGTR_TYPE_SATA_1,
+		};
+
+		phy_types = types;
+		num_phy_types = ARRAY_SIZE(types);
+		gtr_phy->protocol = ICM_PROTOCOL_SATA;
+		break;
+	}
+	case PHY_TYPE_USB3: {
+		static const int types[] = {
+			XPSGTR_TYPE_USB0,
+			XPSGTR_TYPE_USB1,
+		};
+
+		phy_types = types;
+		num_phy_types = ARRAY_SIZE(types);
+		gtr_phy->protocol = ICM_PROTOCOL_USB;
+		break;
+	}
+	case PHY_TYPE_DP: {
+		static const int types[] = {
+			XPSGTR_TYPE_DP_0,
+			XPSGTR_TYPE_DP_1,
+		};
+
+		phy_types = types;
+		num_phy_types = ARRAY_SIZE(types);
+		gtr_phy->protocol = ICM_PROTOCOL_DP;
+		break;
+	}
+	case PHY_TYPE_PCIE: {
+		static const int types[] = {
+			XPSGTR_TYPE_PCIE_0,
+			XPSGTR_TYPE_PCIE_1,
+			XPSGTR_TYPE_PCIE_2,
+			XPSGTR_TYPE_PCIE_3,
+		};
+
+		phy_types = types;
+		num_phy_types = ARRAY_SIZE(types);
+		gtr_phy->protocol = ICM_PROTOCOL_PCIE;
+		break;
+	}
+	case PHY_TYPE_SGMII: {
+		static const int types[] = {
+			XPSGTR_TYPE_SGMII0,
+			XPSGTR_TYPE_SGMII1,
+			XPSGTR_TYPE_SGMII2,
+			XPSGTR_TYPE_SGMII3,
+		};
+
+		phy_types = types;
+		num_phy_types = ARRAY_SIZE(types);
+		gtr_phy->protocol = ICM_PROTOCOL_SGMII;
+		break;
+	}
+	default:
+		return -EINVAL;
+	}
+
+	if (phy_instance >= num_phy_types)
+		return -EINVAL;
+
+	gtr_phy->type = phy_types[phy_instance];
+	return 0;
+}
+
+/*
+ * Valid combinations of controllers and lanes (Interconnect Matrix).
+ */
+static const unsigned int icm_matrix[NUM_LANES][CONTROLLERS_PER_LANE] = {
+	{ XPSGTR_TYPE_PCIE_0, XPSGTR_TYPE_SATA_0, XPSGTR_TYPE_USB0,
+		XPSGTR_TYPE_DP_1, XPSGTR_TYPE_SGMII0 },
+	{ XPSGTR_TYPE_PCIE_1, XPSGTR_TYPE_SATA_1, XPSGTR_TYPE_USB0,
+		XPSGTR_TYPE_DP_0, XPSGTR_TYPE_SGMII1 },
+	{ XPSGTR_TYPE_PCIE_2, XPSGTR_TYPE_SATA_0, XPSGTR_TYPE_USB0,
+		XPSGTR_TYPE_DP_1, XPSGTR_TYPE_SGMII2 },
+	{ XPSGTR_TYPE_PCIE_3, XPSGTR_TYPE_SATA_1, XPSGTR_TYPE_USB1,
+		XPSGTR_TYPE_DP_0, XPSGTR_TYPE_SGMII3 }
+};
+
+/* Translate OF phandle and args to PHY instance. */
+static struct phy *xpsgtr_xlate(struct device *dev,
+				struct of_phandle_args *args)
+{
+	struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev);
+	struct xpsgtr_phy *gtr_phy;
+	unsigned int phy_instance;
+	unsigned int phy_lane;
+	unsigned int phy_type;
+	unsigned int refclk;
+	unsigned int i;
+	int ret;
+
+	if (args->args_count != 4) {
+		dev_err(dev, "Invalid number of cells in 'phy' property\n");
+		return ERR_PTR(-EINVAL);
+	}
+
+	/*
+	 * Get the PHY parameters from the OF arguments and derive the lane
+	 * type.
+	 */
+	phy_lane = args->args[0];
+	if (phy_lane >= ARRAY_SIZE(gtr_dev->phys)) {
+		dev_err(dev, "Invalid lane number %u\n", phy_lane);
+		return ERR_PTR(-ENODEV);
+	}
+
+	gtr_phy = &gtr_dev->phys[phy_lane];
+	phy_type = args->args[1];
+	phy_instance = args->args[2];
+
+	ret = xpsgtr_set_lane_type(gtr_phy, phy_type, phy_instance);
+	if (ret < 0) {
+		dev_err(gtr_dev->dev, "Invalid PHY type and/or instance\n");
+		return ERR_PTR(ret);
+	}
+
+	refclk = args->args[3];
+	if (refclk >= ARRAY_SIZE(gtr_dev->refclk_sscs) ||
+	    !gtr_dev->refclk_sscs[refclk]) {
+		dev_err(dev, "Invalid reference clock number %u\n", refclk);
+		return ERR_PTR(-EINVAL);
+	}
+
+	gtr_phy->refclk = refclk;
+
+	/*
+	 * Ensure that the Interconnect Matrix is obeyed, i.e a given lane type
+	 * is allowed to operate on the lane.
+	 */
+	for (i = 0; i < CONTROLLERS_PER_LANE; i++) {
+		if (icm_matrix[phy_lane][i] == gtr_phy->type)
+			return gtr_phy->phy;
+	}
+
+	return ERR_PTR(-EINVAL);
+}
+
+/*
+ * Power Management
+ */
+
+static int __maybe_unused xpsgtr_suspend(struct device *dev)
+{
+	struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev);
+
+	/* Save the snapshot ICM_CFG registers. */
+	gtr_dev->saved_icm_cfg0 = xpsgtr_read(gtr_dev, ICM_CFG0);
+	gtr_dev->saved_icm_cfg1 = xpsgtr_read(gtr_dev, ICM_CFG1);
+
+	return 0;
+}
+
+static int __maybe_unused xpsgtr_resume(struct device *dev)
+{
+	struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev);
+	unsigned int icm_cfg0, icm_cfg1;
+	unsigned int i;
+	bool skip_phy_init;
+
+	icm_cfg0 = xpsgtr_read(gtr_dev, ICM_CFG0);
+	icm_cfg1 = xpsgtr_read(gtr_dev, ICM_CFG1);
+
+	/* Return if no GT lanes got configured before suspend. */
+	if (!gtr_dev->saved_icm_cfg0 && !gtr_dev->saved_icm_cfg1)
+		return 0;
+
+	/* Check if the ICM configurations changed after suspend. */
+	if (icm_cfg0 == gtr_dev->saved_icm_cfg0 &&
+	    icm_cfg1 == gtr_dev->saved_icm_cfg1)
+		skip_phy_init = true;
+	else
+		skip_phy_init = false;
+
+	/* Update the skip_phy_init for all gtr_phy instances. */
+	for (i = 0; i < ARRAY_SIZE(gtr_dev->phys); i++)
+		gtr_dev->phys[i].skip_phy_init = skip_phy_init;
+
+	return 0;
+}
+
+static const struct dev_pm_ops xpsgtr_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(xpsgtr_suspend, xpsgtr_resume)
+};
+
+/*
+ * Probe & Platform Driver
+ */
+
+static int xpsgtr_get_ref_clocks(struct xpsgtr_dev *gtr_dev)
+{
+	unsigned int refclk;
+
+	for (refclk = 0; refclk < ARRAY_SIZE(gtr_dev->refclk_sscs); ++refclk) {
+		unsigned long rate;
+		unsigned int i;
+		struct clk *clk;
+		char name[8];
+
+		snprintf(name, sizeof(name), "ref%u", refclk);
+		clk = devm_clk_get_optional(gtr_dev->dev, name);
+		if (IS_ERR(clk)) {
+			if (PTR_ERR(clk) != -EPROBE_DEFER)
+				dev_err(gtr_dev->dev,
+					"Failed to get reference clock %u: %ld\n",
+					refclk, PTR_ERR(clk));
+			return PTR_ERR(clk);
+		}
+
+		if (!clk)
+			continue;
+
+		/*
+		 * Get the spread spectrum (SSC) settings for the reference
+		 * clock rate.
+		 */
+		rate = clk_get_rate(clk);
+
+		for (i = 0 ; i < ARRAY_SIZE(ssc_lookup); i++) {
+			if (rate == ssc_lookup[i].refclk_rate) {
+				gtr_dev->refclk_sscs[refclk] = &ssc_lookup[i];
+				break;
+			}
+		}
+
+		if (i == ARRAY_SIZE(ssc_lookup)) {
+			dev_err(gtr_dev->dev,
+				"Invalid rate %lu for reference clock %u\n",
+				rate, refclk);
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+static int xpsgtr_probe(struct platform_device *pdev)
+{
+	struct device_node *np = pdev->dev.of_node;
+	struct xpsgtr_dev *gtr_dev;
+	struct phy_provider *provider;
+	unsigned int port;
+	int ret;
+
+	gtr_dev = devm_kzalloc(&pdev->dev, sizeof(*gtr_dev), GFP_KERNEL);
+	if (!gtr_dev)
+		return -ENOMEM;
+
+	gtr_dev->dev = &pdev->dev;
+	platform_set_drvdata(pdev, gtr_dev);
+
+	mutex_init(&gtr_dev->gtr_mutex);
+
+	if (of_device_is_compatible(np, "xlnx,zynqmp-psgtr"))
+		gtr_dev->tx_term_fix =
+			of_property_read_bool(np, "xlnx,tx-termination-fix");
+
+	/* Acquire resources. */
+	gtr_dev->serdes = devm_platform_ioremap_resource_byname(pdev, "serdes");
+	if (IS_ERR(gtr_dev->serdes))
+		return PTR_ERR(gtr_dev->serdes);
+
+	gtr_dev->siou = devm_platform_ioremap_resource_byname(pdev, "siou");
+	if (IS_ERR(gtr_dev->siou))
+		return PTR_ERR(gtr_dev->siou);
+
+	ret = xpsgtr_get_ref_clocks(gtr_dev);
+	if (ret)
+		return ret;
+
+	/* Create PHYs. */
+	for (port = 0; port < ARRAY_SIZE(gtr_dev->phys); ++port) {
+		struct xpsgtr_phy *gtr_phy = &gtr_dev->phys[port];
+		struct phy *phy;
+
+		gtr_phy->lane = port;
+		gtr_phy->dev = gtr_dev;
+
+		phy = devm_phy_create(&pdev->dev, np, &xpsgtr_phyops);
+		if (IS_ERR(phy)) {
+			dev_err(&pdev->dev, "failed to create PHY\n");
+			return PTR_ERR(phy);
+		}
+
+		gtr_phy->phy = phy;
+		phy_set_drvdata(phy, gtr_phy);
+	}
+
+	/* Register the PHY provider. */
+	provider = devm_of_phy_provider_register(&pdev->dev, xpsgtr_xlate);
+	if (IS_ERR(provider)) {
+		dev_err(&pdev->dev, "registering provider failed\n");
+		return PTR_ERR(provider);
+	}
+	return 0;
+}
+
+static const struct of_device_id xpsgtr_of_match[] = {
+	{ .compatible = "xlnx,zynqmp-psgtr", },
+	{ .compatible = "xlnx,zynqmp-psgtr-v1.1", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, xpsgtr_of_match);
+
+static struct platform_driver xpsgtr_driver = {
+	.probe = xpsgtr_probe,
+	.driver = {
+		.name = "xilinx-psgtr",
+		.of_match_table	= xpsgtr_of_match,
+		.pm =  &xpsgtr_pm_ops,
+	},
+};
+
+module_platform_driver(xpsgtr_driver);
+
+MODULE_AUTHOR("Xilinx Inc.");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Xilinx ZynqMP High speed Gigabit Transceiver");

include/dt-bindings/phy/phy.h

@@ -18,5 +18,6 @@
 #define PHY_TYPE_UFS		5
 #define PHY_TYPE_DP		6
 #define PHY_TYPE_XPCS		7
+#define PHY_TYPE_SGMII		8
 
 #endif /* _DT_BINDINGS_PHY */