dt-bindings: usb: renesas_usbhs: convert bindings to json-schema
Convert Renesas USBHS (HS-USB) controller bindings documentation to json-schema. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/1573102944-11095-1-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Yoshihiro Shimoda
Greg Kroah-Hartman
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Renesas Electronics USBHS driver
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Required properties:
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- compatible: Must contain one or more of the following:
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- "renesas,usbhs-r8a7743" for r8a7743 (RZ/G1M) compatible device
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- "renesas,usbhs-r8a7744" for r8a7744 (RZ/G1N) compatible device
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- "renesas,usbhs-r8a7745" for r8a7745 (RZ/G1E) compatible device
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- "renesas,usbhs-r8a77470" for r8a77470 (RZ/G1C) compatible device
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- "renesas,usbhs-r8a774a1" for r8a774a1 (RZ/G2M) compatible device
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- "renesas,usbhs-r8a774b1" for r8a774b1 (RZ/G2N) compatible device
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- "renesas,usbhs-r8a774c0" for r8a774c0 (RZ/G2E) compatible device
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- "renesas,usbhs-r8a7790" for r8a7790 (R-Car H2) compatible device
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- "renesas,usbhs-r8a7791" for r8a7791 (R-Car M2-W) compatible device
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- "renesas,usbhs-r8a7792" for r8a7792 (R-Car V2H) compatible device
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- "renesas,usbhs-r8a7793" for r8a7793 (R-Car M2-N) compatible device
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- "renesas,usbhs-r8a7794" for r8a7794 (R-Car E2) compatible device
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- "renesas,usbhs-r8a7795" for r8a7795 (R-Car H3) compatible device
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- "renesas,usbhs-r8a7796" for r8a7796 (R-Car M3-W) compatible device
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- "renesas,usbhs-r8a77965" for r8a77965 (R-Car M3-N) compatible device
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- "renesas,usbhs-r8a77990" for r8a77990 (R-Car E3) compatible device
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- "renesas,usbhs-r8a77995" for r8a77995 (R-Car D3) compatible device
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- "renesas,usbhs-r7s72100" for r7s72100 (RZ/A1) compatible device
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- "renesas,usbhs-r7s9210" for r7s9210 (RZ/A2) compatible device
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- "renesas,rcar-gen2-usbhs" for R-Car Gen2 or RZ/G1 compatible devices
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- "renesas,rcar-gen3-usbhs" for R-Car Gen3 or RZ/G2 compatible devices
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- "renesas,rza1-usbhs" for RZ/A1 compatible device
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- "renesas,rza2-usbhs" for RZ/A2 compatible device
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When compatible with the generic version, nodes must list the
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SoC-specific version corresponding to the platform first followed
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by the generic version.
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- reg: Base address and length of the register for the USBHS
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- interrupts: Interrupt specifier for the USBHS
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- clocks: A list of phandle + clock specifier pairs.
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- In case of "renesas,rcar-gen3-usbhs", two clocks are required.
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First clock should be peripheral and second one should be host.
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- In case of except above, one clock is required. First clock
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should be peripheral.
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Optional properties:
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- renesas,buswait: Integer to use BUSWAIT register
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- renesas,enable-gpio: A gpio specifier to check GPIO determining if USB
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function should be enabled
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- phys: phandle + phy specifier pair
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- phy-names: must be "usb"
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- dmas: Must contain a list of references to DMA specifiers.
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- dma-names : named "ch%d", where %d is the channel number ranging from zero
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to the number of channels (DnFIFOs) minus one.
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Example:
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usbhs: usb@e6590000 {
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compatible = "renesas,usbhs-r8a7790", "renesas,rcar-gen2-usbhs";
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reg = <0 0xe6590000 0 0x100>;
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interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&mstp7_clks R8A7790_CLK_HSUSB>;
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};
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126
Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
Normal file
126
Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
Normal file
@ -0,0 +1,126 @@
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# SPDX-License-Identifier: GPL-2.0-only
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/usb/renesas,usbhs.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas USBHS (HS-USB) controller
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maintainers:
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- Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
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properties:
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compatible:
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oneOf:
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- items:
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- const: renesas,usbhs-r7s72100 # RZ/A1
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- const: renesas,rza1-usbhs
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- items:
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- const: renesas,usbhs-r7s9210 # RZ/A2
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- const: renesas,rza2-usbhs
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- items:
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- enum:
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- renesas,usbhs-r8a7743 # RZ/G1M
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- renesas,usbhs-r8a7744 # RZ/G1N
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- renesas,usbhs-r8a7745 # RZ/G1E
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- renesas,usbhs-r8a77470 # RZ/G1C
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- renesas,usbhs-r8a7790 # R-Car H2
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- renesas,usbhs-r8a7791 # R-Car M2-W
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- renesas,usbhs-r8a7792 # R-Car V2H
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- renesas,usbhs-r8a7793 # R-Car M2-N
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- renesas,usbhs-r8a7794 # R-Car E2
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- const: renesas,rcar-gen2-usbhs
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- items:
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- enum:
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- renesas,usbhs-r8a774a1 # RZ/G2M
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- renesas,usbhs-r8a774b1 # RZ/G2N
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- renesas,usbhs-r8a774c0 # RZ/G2E
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- renesas,usbhs-r8a7795 # R-Car H3
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- renesas,usbhs-r8a7796 # R-Car M3-W
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- renesas,usbhs-r8a77965 # R-Car M3-N
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- renesas,usbhs-r8a77990 # R-Car E3
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- renesas,usbhs-r8a77995 # R-Car D3
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- const: renesas,rcar-gen3-usbhs
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reg:
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maxItems: 1
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clocks:
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minItems: 1
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maxItems: 3
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items:
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- description: USB 2.0 host
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- description: USB 2.0 peripheral
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- description: USB 2.0 clock selector
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interrupts:
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maxItems: 1
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renesas,buswait:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: |
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Integer to use BUSWAIT register.
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renesas,enable-gpio:
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description: |
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gpio specifier to check GPIO determining if USB function should be
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enabled.
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phys:
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maxItems: 1
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items:
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- description: phandle + phy specifier pair.
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phy-names:
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maxItems: 1
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items:
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- const: usb
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dmas:
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minItems: 2
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maxItems: 4
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dma-names:
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minItems: 2
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maxItems: 4
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items:
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- const: ch0
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- const: ch1
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- const: ch2
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- const: ch3
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dr_mode: true
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power-domains:
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maxItems: 1
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resets:
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minItems: 1
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maxItems: 2
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items:
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- description: USB 2.0 host
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- description: USB 2.0 peripheral
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required:
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- compatible
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- reg
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- clocks
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- interrupts
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r8a7790-cpg-mssr.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/power/r8a7790-sysc.h>
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usbhs: usb@e6590000 {
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compatible = "renesas,usbhs-r8a7790", "renesas,rcar-gen2-usbhs";
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reg = <0 0xe6590000 0 0x100>;
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interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cpg CPG_MOD 704>;
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};
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