1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/usb/dwc2.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: DesignWare HS OTG USB 2.0 controller Bindings 8 9maintainers: 10 - Rob Herring <robh@kernel.org> 11 12properties: 13 compatible: 14 oneOf: 15 - const: brcm,bcm2835-usb 16 - const: hisilicon,hi6220-usb 17 - items: 18 - const: rockchip,rk3066-usb 19 - const: snps,dwc2 20 - items: 21 - enum: 22 - rockchip,px30-usb 23 - rockchip,rk3036-usb 24 - rockchip,rk3188-usb 25 - rockchip,rk3228-usb 26 - rockchip,rk3288-usb 27 - rockchip,rk3328-usb 28 - rockchip,rk3368-usb 29 - rockchip,rv1108-usb 30 - const: rockchip,rk3066-usb 31 - const: snps,dwc2 32 - const: lantiq,arx100-usb 33 - const: lantiq,xrx200-usb 34 - items: 35 - enum: 36 - amlogic,meson8-usb 37 - amlogic,meson8b-usb 38 - amlogic,meson-gxbb-usb 39 - amlogic,meson-g12a-usb 40 - const: snps,dwc2 41 - const: amcc,dwc-otg 42 - const: snps,dwc2 43 - const: st,stm32f4x9-fsotg 44 - const: st,stm32f4x9-hsotg 45 - const: st,stm32f7-hsotg 46 - const: st,stm32mp15-fsotg 47 - items: 48 - const: st,stm32mp15-hsotg 49 - const: snps,dwc2 50 - const: samsung,s3c6400-hsotg 51 52 reg: 53 maxItems: 1 54 55 interrupts: 56 maxItems: 1 57 58 clocks: 59 maxItems: 1 60 61 clock-names: 62 items: 63 - const: otg 64 65 resets: 66 items: 67 - description: common reset 68 - description: ecc reset 69 minItems: 1 70 71 reset-names: 72 items: 73 - const: dwc2 74 - const: dwc2-ecc 75 minItems: 1 76 77 phys: 78 maxItems: 1 79 80 phy-names: 81 const: usb2-phy 82 83 power-domains: 84 maxItems: 1 85 86 vbus-supply: 87 description: reference to the VBUS regulator. Depending on the current mode 88 this is enabled (in "host" mode") or disabled (in "peripheral" mode). The 89 regulator is updated if the controller is configured in "otg" mode and the 90 status changes between "host" and "peripheral". 91 92 vusb_d-supply: 93 description: phandle to voltage regulator of digital section, 94 95 vusb_a-supply: 96 description: phandle to voltage regulator of analog section. 97 98 usb33d-supply: 99 description: reference to the VBUS and ID sensing comparators supply, in 100 order to perform OTG operation, used on STM32MP15 SoCs. 101 102 dr_mode: 103 enum: [host, peripheral, otg] 104 105 g-rx-fifo-size: 106 $ref: /schemas/types.yaml#/definitions/uint32 107 description: size of rx fifo size in gadget mode. 108 109 g-np-tx-fifo-size: 110 $ref: /schemas/types.yaml#/definitions/uint32 111 description: size of non-periodic tx fifo size in gadget mode. 112 113 g-tx-fifo-size: 114 $ref: /schemas/types.yaml#/definitions/uint32-array 115 description: size of periodic tx fifo per endpoint (except ep0) in gadget mode. 116 117 snps,need-phy-for-wake: 118 $ref: /schemas/types.yaml#/definitions/flag 119 description: If present indicates that the phy needs to be left on for 120 remote wakeup during suspend. 121 122 snps,reset-phy-on-wake: 123 $ref: /schemas/types.yaml#/definitions/flag 124 description: If present indicates that we need to reset the PHY when we 125 detect a wakeup. This is due to a hardware errata. 126 127required: 128 - compatible 129 - reg 130 - interrupts 131 - clocks 132 - clock-names 133 134additionalProperties: false 135 136examples: 137 - | 138 usb@101c0000 { 139 compatible = "rockchip,rk3066-usb", "snps,dwc2"; 140 reg = <0x10180000 0x40000>; 141 interrupts = <18>; 142 clocks = <&usb_otg_ahb_clk>; 143 clock-names = "otg"; 144 phys = <&usbphy>; 145 phy-names = "usb2-phy"; 146 }; 147 148... 149