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This patch introduces Samsung UFS PHY driver. This driver
supports to deal with phy calibration and power control
according to UFS host driver's behavior.
[Robot: -Wmissing-prototypes and -Wsometimes-uninitialized]
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Kiwoong Kim <kwmad.kim@samsung.com>
Signed-off-by: Seungwon Jeon <essuuj@gmail.com>
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Vinod Koul <vkoul@kernel.org>
Tested-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Link: https://lore.kernel.org/r/20200716192217.35740-2-alim.akhtar@samsung.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Driver uses GPIO functions but doesn't include the header explcitly. Add
that to fix build errors when GPIOLIB is disabled.
drivers/phy/allwinner/phy-sun4i-usb.c:367:11: error: implicit
declaration of function ‘gpiod_get_value_cansleep’; did you mean
‘gpio_get_value_cansleep’? [-Werror=implicit-function-declaration]
drivers/phy/allwinner/phy-sun4i-usb.c:707:22: error: implicit
declaration of function ‘devm_gpiod_get_optional’; did you mean
‘devm_clk_get_optional’? [-Werror=implicit-function-declaration]
drivers/phy/allwinner/phy-sun4i-usb.c:708:11: error: ‘GPIOD_IN’
undeclared (first use in this function); did you mean ‘GPIOF_IN’?
drivers/phy/allwinner/phy-sun4i-usb.c:815:21: error: implicit
declaration of function ‘gpiod_to_irq’; did you mean ‘gpio_to_irq’?
[-Werror=implicit-function-declaration]
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/20200716062427.71763-1-vkoul@kernel.org
devm_clk_get() and devm_reset_control_get() expect a const char *id for
the last arg, but a value of zero was provided. This results in below
sparse warning:
drivers/phy/st/phy-stm32-usbphyc.c:330:42: warning: Using plain integer as NULL pointer
drivers/phy/st/phy-stm32-usbphyc.c:343:52: warning: Using plain integer as NULL pointer
Instead of zero, use NULL
Reviewed-by: Amelie Delaunay <amelie.delaunay@st.com>
Link: https://lore.kernel.org/r/20200708132809.265967-6-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
We get warning with W=1 build:
drivers/phy/samsung/phy-exynos5-usbdrd.c:211: warning: Function
parameter or member 'phys' not described in 'exynos5_usbdrd_phy'
drivers/phy/samsung/phy-exynos5-usbdrd.c:211: warning: Function
parameter or member 'vbus' not described in 'exynos5_usbdrd_phy'
drivers/phy/samsung/phy-exynos5-usbdrd.c:211: warning: Function
parameter or member 'vbus_boost' not described in 'exynos5_usbdrd_phy'
These members are provided with description but format is not quite
right resulting in above warnings
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20200708132809.265967-5-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
We get warning with W=1 build:
drivers/phy/rockchip/phy-rockchip-typec.c:360: warning: cannot
understand function prototype: 'struct rockchip_usb3phy_port_cfg '
The 'struct rockchip_usb3phy_port_cfg ' is commented properly but uses
wrong format, so fix that up
Link: https://lore.kernel.org/r/20200708132809.265967-4-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
We get warning with W=1 build:
drivers/phy/phy-xgene.c: In function ‘xgene_phy_xlate’:
drivers/phy/phy-xgene.c:1618:20: warning: comparison of unsigned
expression in ‘< 0’ is always false [-Wtype-limits]
1618 | if (args->args[0] < MODE_SATA || args->args[0] >= MODE_MAX) |
args is uint32_t so can never be less than zero, so remove this check
Link: https://lore.kernel.org/r/20200708132809.265967-3-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
We get warning with W=1 build:
drivers/phy/motorola/phy-mapphone-mdm6600.c:185: warning: Function
parameter or member 'val' not described in 'phy_mdm6600_cmd'
drivers/phy/motorola/phy-mapphone-mdm6600.c:200: warning: Function
parameter or member 'work' not described in 'phy_mdm6600_status'
Fix that by adding description for 'val' and 'work'
Link: https://lore.kernel.org/r/20200708132809.265967-2-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
We get warning with W=1 build:
drivers/phy/marvell/phy-mvebu-a3700-utmi.c:84: warning: Function
parameter or member 'usb_misc' not described in 'mvebu_a3700_utmi'
Fix that by correcting the typo usb_mis
Link: https://lore.kernel.org/r/20200708132809.265967-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
PHY calibration is needed only for USB2.0 (UTMI) PHY, so skip calling
calibration code when phy_calibrate() is called for USB3.0 (PIPE3) PHY.
Fixes: d8c80bb3b55b ("phy: exynos5-usbdrd: Calibrate LOS levels for exynos5420/5800")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200708133800.3336-1-m.szyprowski@samsung.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
When CONFIG_ARCH_SUNXI is not set but CONFIG_COMPILE_TEST=y,
CONFIG_HAVE_CLK=y, CONFIG_HAVE_LEGACY_CLK=y, there exists
the following build errors with CONFIG_PHY_SUN6I_MIPI_DPHY=y:
drivers/phy/allwinner/phy-sun6i-mipi-dphy.o: In function `sun6i_dphy_init':
phy-sun6i-mipi-dphy.c:(.text+0x320): undefined reference to `clk_set_rate_exclusive'
drivers/phy/allwinner/phy-sun6i-mipi-dphy.o: In function `sun6i_dphy_exit':
phy-sun6i-mipi-dphy.c:(.text+0x2c8): undefined reference to `clk_rate_exclusive_put'
clk_set_rate_exclusive() and clk_rate_exclusive_put() are defined
in drivers/clk/clk.c, this file is built under CONFIG_COMMON_CLK,
so in order to build drivers/phy/allwinner/phy-sun6i-mipi-dphy.c
successful used with various configs, CONFIG_PHY_SUN6I_MIPI_DPHY
should depend on CONFIG_COMMON_CLK.
Fixes: 133552bf03ed ("phy: Remove CONFIG_ARCH_* check for related subdir in Makefile")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Link: https://lore.kernel.org/r/1594113746-25393-1-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Vinod Koul <vkoul@kernel.org>
It fixes RX detect wakeup using USB3 device, otherwise, the USB3
device can't wakeup USB PHY when the PHY is in 32Khz clock.
Fixes: 50d35aa8c15f ("phy: cadence: salvo: add salvo phy driver")
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20200703064600.14181-1-peter.chen@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
sun6i_dphy_ops and sun6i_dphy_regmap_config are not modified so make them
const structs to allow the compiler to put them in read-only memory.
Before:
text data bss dec hex filename
4407 1944 64 6415 190f drivers/phy/allwinner/phy-sun6i-mipi-dphy.o
After:
text data bss dec hex filename
4835 1496 64 6395 18fb drivers/phy/allwinner/phy-sun6i-mipi-dphy.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20200629195727.9717-1-rikard.falkeborn@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
ti_pipe3_power_on() sets variable 'ret' but never uses it, so remove it.
drivers/phy/ti/phy-ti-pipe3.c:340:6: warning: variable ‘ret’ set but not
used [-Wunused-but-set-variable]
Link: https://lore.kernel.org/r/20200629145010.122675-4-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
dm816x_usb_phy_init() sets variable 'error' but never uses it, so remove
it.
drivers/phy/ti/phy-dm816x-usb.c:85:6: warning: variable ‘error’ set but
not used [-Wunused-but-set-variable]
Link: https://lore.kernel.org/r/20200629145010.122675-3-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Some function arguments are missing from documentation prompting
validation kernel doc script to complain:
drivers/phy/phy-core.c:1078: warning: Function parameter or member
'children' not described in '__devm_of_phy_provider_register'
drivers/phy/phy-core.c:1125: warning: Function parameter or member
'phy_provider' not described in 'devm_of_phy_provider_unregister'
Add the documentation for these
Link: https://lore.kernel.org/r/20200629145010.122675-2-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Documentation/process/coding-style.rst says:
"functions: they have the opening brace at the beginning of the next
line"
devm_of_phy_provider_unregister() function has opening brace at same
line, so fix it up.
Link: https://lore.kernel.org/r/20200629145010.122675-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The UFS specific QMP PHY driver started off supporting the 14nm and
20nm hardware. With the 20nm support marked broken for a long time and
the 14nm support added to the common QMP PHY, this driver has not been
used in a while. So delete it
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200629145452.123035-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Mark xpsgtr_suspend and xpsgtr_resume as __maybe_unused to fix the
following compiler warning when building with !CONFIG_PM_SLEEP:
drivers/phy/xilinx/phy-zynqmp.c:830:12: warning: ‘xpsgtr_resume’ defined but not used [-Wunused-function]
830 | static int xpsgtr_resume(struct device *dev)
| ^~~~~~~~~~~~~
drivers/phy/xilinx/phy-zynqmp.c:819:12: warning: ‘xpsgtr_suspend’ defined but not used [-Wunused-function]
819 | static int xpsgtr_suspend(struct device *dev)
| ^~~~~~~~~~~~~~
Also drop the existing #ifdef CONFIG_PM so the functions are always
compile-checked regardless of CONFIG_PM and/or CONFIG_PM_SLEEP being
set.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Link: https://lore.kernel.org/r/20200701141017.26931-1-tklauser@distanz.ch
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Xilinx ZynqMP SoCs have a Gigabit Transceiver with four lanes. All the
high speed peripherals such as USB, SATA, PCIE, Display Port and
Ethernet SGMII can rely on any of the four GT lanes for PHY layer. This
patch adds driver for that ZynqMP GT core.
Signed-off-by: Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20200629120054.29338-3-laurent.pinchart@ideasonboard.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The set mode handler is used to keep track of the current role of the
device. This is used for enabling certain resources within the PHY
depending on if the device is behaving as a host or device.
Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
Link: https://lore.kernel.org/r/20200625195444.15130-3-wcheng@codeaurora.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Allow for the PHY to be put into a powered down state when possible.
Add the required suspend and resume callbacks, which will determine
what resources can be turned off depending on the cable status.
Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
Link: https://lore.kernel.org/r/20200625195444.15130-2-wcheng@codeaurora.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Add both the DP and UNI PHY for primary/secondary usb controllers.
The tables are very similar to sm8150 (serdes_tbl is identical), but there
are some differences.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200524021416.17049-4-jonathan@marek.ca
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Add support for the USB3 PHY used by the secondary usb controller on sm8150
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200524021416.17049-3-jonathan@marek.ca
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The primary USB PHY on sm8250 sets some values differently for the second
lane. This makes it possible to represent that.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200524021416.17049-2-jonathan@marek.ca
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Fix up inconsistent usage of upper and lowercase letters in "Exynos"
name.
"EXYNOS" is not an abbreviation but a regular trademarked name.
Therefore it should be written with lowercase letters starting with
capital letter.
The lowercase "Exynos" name is promoted by its manufacturer Samsung
Electronics Co., Ltd., in advertisement materials and on website.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200617152803.17941-1-krzk@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
If CONFIG_ARCH_ROCKCHIP is not set but COMPILE_TEST is set, the file in
the subdir rockchip can not be built due to CONFIG_ARCH_ROCKCHIP check
in drivers/phy/Makefile.
Since the related configs in drivers/phy/rockchip/Kconfig depend on
ARCH_ROCKCHIP, so remove CONFIG_ARCH_ROCKCHIP check for subdir rockchip
in drivers/phy/Makefile.
The other CONFIG_ARCH_* about allwinner, amlogic, mediatek, renesas and
tegra have the same situation, so remove them too.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/1590412138-13903-2-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Rather busy cycle. We have a total 99 non-merge commits going into v5.8
merge window. The majority of the changes are in dwc3 this around (31.7%
of all changes). It's composed mostly Thinh's recent updates to get dwc3
to behave correctly with stream transfers. We have also have Roger's for
Keystone platforms and Neil's updates for the meson glue layer.
Apart from those, we have the usual set of non-critical fixes, new
device IDs, spelling fixes all over the place.
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Merge tag 'usb-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
USB: changes for v5.8 merge window
Rather busy cycle. We have a total 99 non-merge commits going into v5.8
merge window. The majority of the changes are in dwc3 this around (31.7%
of all changes). It's composed mostly Thinh's recent updates to get dwc3
to behave correctly with stream transfers. We have also have Roger's for
Keystone platforms and Neil's updates for the meson glue layer.
Apart from those, we have the usual set of non-critical fixes, new
device IDs, spelling fixes all over the place.
Signed-off-by: Felipe Balbi <balbi@kernel.org>
* tag 'usb-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (99 commits)
usb: dwc3: keystone: Turn on USB3 PHY before controller
dt-bindings: usb: ti,keystone-dwc3.yaml: Add USB3.0 PHY property
dt-bindings: usb: convert keystone-usb.txt to YAML
usb: dwc3: gadget: Check for prepared TRBs
usb: gadget: Fix issue with config_ep_by_speed function
usb: cdns3: ep0: delete the redundant status stage
usb: dwc2: Update Core Reset programming flow.
usb: gadget: fsl: Fix a wrong judgment in fsl_udc_probe()
usb: gadget: fix potential double-free in m66592_probe.
usb: cdns3: Fix runtime PM imbalance on error
usb: gadget: lpc32xx_udc: don't dereference ep pointer before null check
usb: dwc3: Increase timeout for CmdAct cleared by device controller
USB: dummy-hcd: use configurable endpoint naming scheme
usb: cdns3: gadget: assign interrupt number to USB gadget structure
usb: gadget: core: sync interrupt before unbind the udc
arm64: dts: qcom: sc7180: Add interconnect properties for USB
arm64: dts: qcom: sdm845: Add interconnect properties for USB
dt-bindings: usb: qcom,dwc3: Introduce interconnect properties for Qualcomm DWC3 driver
ARM: dts: at91: Remove the USB EP child node
dt-bindings: usb: atmel: Mark EP child node as deprecated
...
The registers which are managed by the meson-gxl-usb3 PHY driver are
actually "USB control" registers (which are "glue" registers which
manage OTG detection and routing of the OTG capable port between the
DWC2 peripheral-only controller and the DWC3 host-only controller).
Drop the meson-gxl-usb3 PHY driver now that the dwc3-meson-g12a-usb
driver supports the USB control registers on GXL and GXM SoCs (these
were previously managed by the meson-gxl-usb3 PHY driver).
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
*) Add new PHY driver to support Cadence SALVO PHY which supports USB3 & USB2
*) Add new PHY driver to support Intel ComboPhy which supports PCIe, SATA and
EMAC
*) Add new PHY driver for Qualcomm IPQ40xx USB PHY
*) Add new PHY driver for Synopsys FemtoPHY V2 driver used in Qualcomm SOCs
*) Add support for Qualcomm SM8250 UFS PHY and SM8150 QMP USB3 PHY in
qcom-qmp-phy driver
*) Add support for Amlogic USB2 PHY on Meson8m2 in phy-meson8b-usb2 driver
*) Add DisplayPort mode support in Wiz (TI Cadence PHY wrapper), to enable eDP
in TI's J721E SoC
*) Add support for super speed USB PHY in TI's AM654 SoC
*) Add fix in Broadcom Stingray USB PHY to get USB PHY PLL lock reliably
*) Add fix in Samsung phy-s5pv210-usb2 to get USB working on s5pv210
*) Add fix in Amlogic phy-meson8b-usb2 to get host only mode working on Meson8
*) Add fix in Cadence phy-cadence-sierra to get USB3 device disconnect issue
*) Convert meson8b-usb2-phy, qcom-qmp-phy, rcar-gen3-phy-usb2 and
rcar-gen3-phy-usb3 device tree binding to YAML schema
*) Minor fixes and cleanups in phy-cpcap-usb, j721e-wiz, omap-usb2,
phy-bcm-sr-usb, phy-brcm-usb PHY driver
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into usb-next
Kishon writes:
phy: for 5.8
*) Add new PHY driver to support Cadence SALVO PHY which supports USB3 & USB2
*) Add new PHY driver to support Intel ComboPhy which supports PCIe, SATA and
EMAC
*) Add new PHY driver for Qualcomm IPQ40xx USB PHY
*) Add new PHY driver for Synopsys FemtoPHY V2 driver used in Qualcomm SOCs
*) Add support for Qualcomm SM8250 UFS PHY and SM8150 QMP USB3 PHY in
qcom-qmp-phy driver
*) Add support for Amlogic USB2 PHY on Meson8m2 in phy-meson8b-usb2 driver
*) Add DisplayPort mode support in Wiz (TI Cadence PHY wrapper), to enable eDP
in TI's J721E SoC
*) Add support for super speed USB PHY in TI's AM654 SoC
*) Add fix in Broadcom Stingray USB PHY to get USB PHY PLL lock reliably
*) Add fix in Samsung phy-s5pv210-usb2 to get USB working on s5pv210
*) Add fix in Amlogic phy-meson8b-usb2 to get host only mode working on Meson8
*) Add fix in Cadence phy-cadence-sierra to get USB3 device disconnect issue
*) Convert meson8b-usb2-phy, qcom-qmp-phy, rcar-gen3-phy-usb2 and
rcar-gen3-phy-usb3 device tree binding to YAML schema
*) Minor fixes and cleanups in phy-cpcap-usb, j721e-wiz, omap-usb2,
phy-bcm-sr-usb, phy-brcm-usb PHY driver
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
* tag 'phy-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (43 commits)
phy: intel: Add driver support for ComboPhy
dt-bindings: phy: Add YAML schemas for Intel ComboPhy
dt-bindings: phy: Add PHY_TYPE_XPCS definition
phy: qcom-qmp: Add QMP V3 USB3 PHY support for SC7180
dt-bindings: phy: qcom,qmp-usb3-dp: Add support for SC7180
dt-bindings: phy: qcom,qmp-usb3-dp: Add dt bindings for USB3 DP PHY
dt-bindings: phy: qcom,qmp: Convert QMP PHY bindings to yaml
phy: cadence: sierra: Fix for USB3 U1/U2 state
phy: ti: am654: add support for USB super-speed
phy: ti: am654: show up in regmap debugfs
drivers: phy: sr-usb: do not use internal fsm for USB2 phy init
dt-bindings: phy: renesas: usb3-phy: add r8a77961 support
dt-bindings: phy: renesas: usb3-phy: convert bindings to json-schema
dt-bindings: phy: renesas: usb2-phy: add r8a77961 support
dt-bindings: phy: renesas: usb2-phy: convert bindings to json-schema
phy: qcom-qmp: Ensure register indirection arrays initialized
phy: omap-usb2: Clean up exported header
phy: phy-bcm-ns2-usbdrd: Constify phy_ops
phy: phy-brcm-usb: Constify static structs
phy: sr-usb: Constify phy_ops
...
Adding QMP v3 USB3 PHY support for SC7180.
Adding only usb phy reset in the list to avoid
reset of DP block.
Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1589510358-3865-5-git-send-email-sanm@codeaurora.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Updated values of USB3 related Sierra PHY registers.
This change fixes USB3 device disconnect issue observed
while enternig U1/U2 state.
Signed-off-by: Sanket Parmar <sparmar@cadence.com>
Link: https://lore.kernel.org/r/1589804053-14302-1-git-send-email-sparmar@cadence.com
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
The max_register property must be set in order to
show up the registers in debugfs.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Link: https://lore.kernel.org/r/20200513131254.10497-2-rogerq@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
During different reboot cycles, USB PHY PLL may not always lock
during initialization and therefore can cause USB to be not usable.
Hence do not use internal FSM programming sequence for the USB
PHY initialization.
Fixes: 4dcddbb38b64 ("phy: sr-usb: Add Stingray USB PHY driver")
Signed-off-by: Bharat Gooty <bharat.gooty@broadcom.com>
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Link: https://lore.kernel.org/r/20200513173947.10919-1-rayagonda.kokatanur@broadcom.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
It's possible that struct qmp_phy_cfg->regs references an array that is
smaller than the possible register lookups that is going to be
performed, with the resulting out-of-bounds read resulting in undefined
behavior.
One such example is when during qcom_qmp_phy_com_init() performs a
qphy_setbits() on entry QPHY_PCS_POWER_DOWN_CONTROL (i.e. 17) with
msm8996_ufsphy_regs_layout only being 12 entries long.
Solve this by inflating all "regs_layout" arrays to ensure that any
remaining entries are zero-initialized, as expected by the code.
Fixes: e4d8b05ad5f9 ("phy: qcom-qmp: Use proper PWRDOWN offset for sm8150 USB")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200515013643.2081941-1-bjorn.andersson@linaro.org
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Move private definitions from header to phy-omap-usb2.c file.
Get rid of unused data structures usb_dpll_params and omap_usb_phy_type.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Link: https://lore.kernel.org/r/20200515080518.26870-2-rogerq@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
phy_ops are never modified and can therefore be made const to allow the
compiler to put it in read-only memory.
Before:
text data bss dec hex filename
7831 3144 128 11103 2b5f drivers/phy/broadcom/phy-bcm-ns2-usbdrd.o
After:
text data bss dec hex filename
7959 3016 128 11103 2b5f drivers/phy/broadcom/phy-bcm-ns2-usbdrd.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200516120441.7627-2-rikard.falkeborn@gmail.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
A number of structs were not modified and can therefore be made const
to allow the compiler to put them in read-only memory.
In order to do so, update a few functions that don't modify there input
to take pointers to const.
Before:
text data bss dec hex filename
15511 6448 64 22023 5607 drivers/phy/broadcom/phy-brcm-usb.o
After:
text data bss dec hex filename
16058 5936 64 22058 562a drivers/phy/broadcom/phy-brcm-usb.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200516120441.7627-4-rikard.falkeborn@gmail.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
phy_ops are never modified and can therefore be made const to allow the
compiler to put it in read-only memory.
Before:
text data bss dec hex filename
4310 1244 0 5554 15b2 drivers/phy/broadcom/phy-bcm-sr-usb.o
After:
text data bss dec hex filename
4438 1116 0 5554 15b2 drivers/phy/broadcom/phy-bcm-sr-usb.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200516120441.7627-3-rikard.falkeborn@gmail.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
The .init is used for one-time PHY's initialization, and .power_on
is called many times during the device lifecycle.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20200513125605.5545-1-peter.chen@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The 3.10 vendor kernel sets the ACA_ENABLE bit on Meson8b, Meson8m2 and
GXBB, but not on Meson8. Add a compatible string for Meson8m2 which also
sets that bit.
While here, also update the Kconfig text and MODULE_DESCRIPTION.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Thomas Graichen <thomas.graichen@gmail.com>
Link: https://lore.kernel.org/r/20200512222424.549351-7-martin.blumenstingl@googlemail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The vendor driver unsets the set_iddig bit during power-on as well and
sets it when suspending the PHY. I did not notice this in the vendor
driver first, because it's part of the dwc_otg driver there (instead of
their PHY code). While here, also add all other REG_DBG_UART register
bit definitions.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Thomas Graichen <thomas.graichen@gmail.com>
Link: https://lore.kernel.org/r/20200512222424.549351-6-martin.blumenstingl@googlemail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Skip setting REG_ADP_BC_ACA_ENABLE on Meson8 SoCs and polling for the
REG_ADP_BC_ACA_PIN_FLOAT bit. The vendor also skips this part on Meson8
SoCs.
This fixes initialization of the host-only USB PHY on Meson8 which would
otherwise fail with "USB ID detect failed!".
Fixes: 4a3449d1a0a10c ("phy: meson8b-usb2: add support for the USB PHY on Meson8 SoCs")
Reported-by: Thomas Graichen <thomas.graichen@gmail.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Thomas Graichen <thomas.graichen@gmail.com>
Link: https://lore.kernel.org/r/20200512222424.549351-5-martin.blumenstingl@googlemail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Using a MMIO regmap and switch to regmap_update_bits() to simplify the
code in the driver. Also switch to devm_platform_ioremap_resource()
instead of open-coding it. No functional changes intended.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Thomas Graichen <thomas.graichen@gmail.com>
Link: https://lore.kernel.org/r/20200512222424.549351-4-martin.blumenstingl@googlemail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The Intel eMMC PHY is only present on Intel Lightning Mountain SoCs.
Add an architecture dependency to the PHY_INTEL_EMMC config symbol, to
avoid asking the user about it when configuring a kernel for a non-x86
architecture.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200507113626.24026-3-geert+renesas@glider.be
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Fix to return negative error code from some error handling
cases instead of 0, as done elsewhere in this function.
Fixes: 091876cc355d ("phy: ti: j721e-wiz: Add support for WIZ module present in TI J721E SoC")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Link: https://lore.kernel.org/r/20200507054109.110849-1-weiyongjun1@huawei.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
