| # 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> |
| |
| properties: |
| compatible: |
| oneOf: |
| - const: brcm,bcm2835-usb |
| - const: hisilicon,hi6220-usb |
| - items: |
| - const: rockchip,rk3066-usb |
| - const: snps,dwc2 |
| - items: |
| - enum: |
| - rockchip,px30-usb |
| - rockchip,rk3036-usb |
| - rockchip,rk3188-usb |
| - rockchip,rk3228-usb |
| - rockchip,rk3288-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 |
| - 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 |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| clocks: |
| maxItems: 1 |
| |
| clock-names: |
| items: |
| - const: otg |
| |
| 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: |
| enum: [host, peripheral, otg] |
| |
| usb-role-switch: |
| $ref: /schemas/types.yaml#/definitions/flag |
| description: Support role switch. |
| |
| 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. |
| |
| 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"; |
| }; |
| |
| ... |
