dt-bindings: usb: renesas: usb3-peri: convert bindings to json-schema
Convert Renesas USB 3.0 Peripheral 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/1573036493-16525-1-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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74ce3e4127
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Renesas Electronics USB3.0 Peripheral driver
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Required properties:
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- compatible: Must contain one of the following:
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- "renesas,r8a774a1-usb3-peri"
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- "renesas,r8a774b1-usb3-peri"
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- "renesas,r8a774c0-usb3-peri"
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- "renesas,r8a7795-usb3-peri"
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- "renesas,r8a7796-usb3-peri"
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- "renesas,r8a77965-usb3-peri"
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- "renesas,r8a77990-usb3-peri"
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- "renesas,rcar-gen3-usb3-peri" for a generic R-Car Gen3 or RZ/G2
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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
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followed by the generic version.
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- reg: Base address and length of the register for the USB3.0 Peripheral
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- interrupts: Interrupt specifier for the USB3.0 Peripheral
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- clocks: clock phandle and specifier pair
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Optional properties:
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- phys: phandle + phy specifier pair
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- phy-names: must be "usb"
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- usb-role-switch: support role switch. see usb/generic.txt
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Sub-nodes:
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- any connector to the data bus of this controller should be modelled using the
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OF graph bindings specified in bindings/graph.txt, if the "usb-role-switch"
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property is used.
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Example of R-Car H3 ES1.x:
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usb3_peri0: usb@ee020000 {
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compatible = "renesas,r8a7795-usb3-peri",
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"renesas,rcar-gen3-usb3-peri";
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reg = <0 0xee020000 0 0x400>;
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interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cpg CPG_MOD 328>;
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};
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usb3_peri1: usb@ee060000 {
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compatible = "renesas,r8a7795-usb3-peri",
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"renesas,rcar-gen3-usb3-peri";
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reg = <0 0xee060000 0 0x400>;
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interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cpg CPG_MOD 327>;
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};
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Example of RZ/G2E:
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usb3_peri0: usb@ee020000 {
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compatible = "renesas,r8a774c0-usb3-peri",
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"renesas,rcar-gen3-usb3-peri";
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reg = <0 0xee020000 0 0x400>;
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interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cpg CPG_MOD 328>;
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companion = <&xhci0>;
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usb-role-switch;
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port {
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usb3_role_switch: endpoint {
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remote-endpoint = <&hd3ss3220_ep>;
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};
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};
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};
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@ -0,0 +1,86 @@
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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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$id: http://devicetree.org/schemas/usb/renesas,usb3-peri.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas USB 3.0 Peripheral 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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items:
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- enum:
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- renesas,r8a774a1-usb3-peri # RZ/G2M
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- renesas,r8a774b1-usb3-peri # RZ/G2N
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- renesas,r8a774c0-usb3-peri # RZ/G2E
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- renesas,r8a7795-usb3-peri # R-Car H3
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- renesas,r8a7796-usb3-peri # R-Car M3-W
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- renesas,r8a77965-usb3-peri # R-Car M3-N
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- renesas,r8a77990-usb3-peri # R-Car E3
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- const: renesas,rcar-gen3-usb3-peri
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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maxItems: 1
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phys:
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maxItems: 1
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phy-names:
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const: usb
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power-domains:
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maxItems: 1
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resets:
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maxItems: 1
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usb-role-switch:
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$ref: /schemas/types.yaml#/definitions/flag
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description: Support role switch.
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companion:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: phandle of a companion.
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port:
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description: |
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any connector to the data bus of this controller should be modelled
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using the OF graph bindings specified, if the "usb-role-switch"
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property is used.
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required:
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- compatible
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- interrupts
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- clocks
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r8a774c0-cpg-mssr.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/power/r8a774c0-sysc.h>
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usb3_peri0: usb@ee020000 {
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compatible = "renesas,r8a774c0-usb3-peri", "renesas,rcar-gen3-usb3-peri";
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reg = <0 0xee020000 0 0x400>;
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interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cpg CPG_MOD 328>;
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companion = <&xhci0>;
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usb-role-switch;
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port {
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usb3_role_switch: endpoint {
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remote-endpoint = <&hd3ss3220_ep>;
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};
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};
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};
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