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| -rw-r--r-- | Documentation/devicetree/bindings/usb/dwc2.yaml | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/dwc2.yaml b/Documentation/devicetree/bindings/usb/dwc2.yaml new file mode 100644 index 000000000..dc4988c00 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/dwc2.yaml @@ -0,0 +1,193 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/dwc2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: DesignWare HS OTG USB 2.0 controller Bindings + +maintainers: + - Rob Herring <robh@kernel.org> + +allOf: + - $ref: usb-drd.yaml# + - $ref: usb-hcd.yaml# + +properties: + compatible: + oneOf: + - const: brcm,bcm2835-usb + - const: hisilicon,hi6220-usb + - const: ingenic,jz4775-otg + - const: ingenic,jz4780-otg + - const: ingenic,x1000-otg + - const: ingenic,x1600-otg + - const: ingenic,x1700-otg + - const: ingenic,x1830-otg + - const: ingenic,x2000-otg + - items: + - const: rockchip,rk3066-usb + - const: snps,dwc2 + - items: + - enum: + - rockchip,px30-usb + - rockchip,rk3036-usb + - rockchip,rk3128-usb + - rockchip,rk3188-usb + - rockchip,rk3228-usb + - rockchip,rk3288-usb + - rockchip,rk3308-usb + - rockchip,rk3328-usb + - rockchip,rk3368-usb + - rockchip,rv1108-usb + - const: rockchip,rk3066-usb + - const: snps,dwc2 + - const: lantiq,arx100-usb + - const: lantiq,xrx200-usb + - items: + - enum: + - amlogic,meson8-usb + - amlogic,meson8b-usb + - amlogic,meson-gxbb-usb + - amlogic,meson-g12a-usb + - intel,socfpga-agilex-hsotg + - const: snps,dwc2 + - const: amcc,dwc-otg + - const: apm,apm82181-dwc-otg + - const: snps,dwc2 + - const: st,stm32f4x9-fsotg + - const: st,stm32f4x9-hsotg + - const: st,stm32f7-hsotg + - const: st,stm32mp15-fsotg + - items: + - const: st,stm32mp15-hsotg + - const: snps,dwc2 + - const: samsung,s3c6400-hsotg + - const: intel,socfpga-agilex-hsotg + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: otg + + disable-over-current: + type: boolean + description: whether to disable detection of over-current condition. + + iommus: + maxItems: 1 + + resets: + items: + - description: common reset + - description: ecc reset + minItems: 1 + + reset-names: + items: + - const: dwc2 + - const: dwc2-ecc + minItems: 1 + + phys: + maxItems: 1 + + phy-names: + const: usb2-phy + + power-domains: + maxItems: 1 + + vbus-supply: + description: reference to the VBUS regulator. Depending on the current mode + this is enabled (in "host" mode") or disabled (in "peripheral" mode). The + regulator is updated if the controller is configured in "otg" mode and the + status changes between "host" and "peripheral". + + vusb_d-supply: + description: phandle to voltage regulator of digital section, + + vusb_a-supply: + description: phandle to voltage regulator of analog section. + + usb33d-supply: + description: reference to the VBUS and ID sensing comparators supply, in + order to perform OTG operation, used on STM32MP15 SoCs. + + dr_mode: true + + otg-rev: true + + hnp-disable: true + + srp-disable: true + + usb-role-switch: true + + role-switch-default-mode: true + + g-rx-fifo-size: + $ref: /schemas/types.yaml#/definitions/uint32 + description: size of rx fifo size in gadget mode. + + g-np-tx-fifo-size: + $ref: /schemas/types.yaml#/definitions/uint32 + description: size of non-periodic tx fifo size in gadget mode. + + g-tx-fifo-size: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: size of periodic tx fifo per endpoint (except ep0) in gadget mode. + + snps,need-phy-for-wake: + $ref: /schemas/types.yaml#/definitions/flag + description: If present indicates that the phy needs to be left on for + remote wakeup during suspend. + + snps,reset-phy-on-wake: + $ref: /schemas/types.yaml#/definitions/flag + description: If present indicates that we need to reset the PHY when we + detect a wakeup. This is due to a hardware errata. + + port: + description: + Any connector to the data bus of this controller should be modelled + using the OF graph bindings specified, if the "usb-role-switch" + property is used. + $ref: /schemas/graph.yaml#/properties/port + + tpl-support: true + +dependencies: + port: [ usb-role-switch ] + role-switch-default-mode: [ usb-role-switch ] + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + usb@101c0000 { + compatible = "rockchip,rk3066-usb", "snps,dwc2"; + reg = <0x10180000 0x40000>; + interrupts = <18>; + clocks = <&usb_otg_ahb_clk>; + clock-names = "otg"; + phys = <&usbphy>; + phy-names = "usb2-phy"; + }; + +... |