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 - const: rockchip,px30-usb 22 - const: rockchip,rk3066-usb 23 - const: snps,dwc2 24 - items: 25 - const: rockchip,rk3036-usb 26 - const: rockchip,rk3066-usb 27 - const: snps,dwc2 28 - items: 29 - const: rockchip,rv1108-usb 30 - const: rockchip,rk3066-usb 31 - const: snps,dwc2 32 - items: 33 - const: rockchip,rk3188-usb 34 - const: rockchip,rk3066-usb 35 - const: snps,dwc2 36 - items: 37 - const: rockchip,rk3228-usb 38 - const: rockchip,rk3066-usb 39 - const: snps,dwc2 40 - items: 41 - const: rockchip,rk3288-usb 42 - const: rockchip,rk3066-usb 43 - const: snps,dwc2 44 - const: lantiq,arx100-usb 45 - const: lantiq,xrx200-usb 46 - items: 47 - const: amlogic,meson8-usb 48 - const: snps,dwc2 49 - items: 50 - const: amlogic,meson8b-usb 51 - const: snps,dwc2 52 - const: amlogic,meson-gxbb-usb 53 - items: 54 - const: amlogic,meson-g12a-usb 55 - const: snps,dwc2 56 - const: amcc,dwc-otg 57 - const: snps,dwc2 58 - const: st,stm32f4x9-fsotg 59 - const: st,stm32f4x9-hsotg 60 - const: st,stm32f7-hsotg 61 - const: samsung,s3c6400-hsotg 62 63 reg: 64 maxItems: 1 65 66 interrupts: 67 maxItems: 1 68 69 clocks: 70 maxItems: 1 71 72 clock-names: 73 items: 74 - const: otg 75 76 resets: 77 items: 78 - description: common reset 79 - description: ecc reset 80 minItems: 1 81 82 reset-names: 83 items: 84 - const: dwc2 85 - const: dwc2-ecc 86 minItems: 1 87 88 phys: 89 maxItems: 1 90 91 phy-names: 92 const: usb2-phy 93 94 vbus-supply: 95 description: reference to the VBUS regulator. Depending on the current mode 96 this is enabled (in "host" mode") or disabled (in "peripheral" mode). The 97 regulator is updated if the controller is configured in "otg" mode and the 98 status changes between "host" and "peripheral". 99 100 vusb_d-supply: 101 description: phandle to voltage regulator of digital section, 102 103 vusb_a-supply: 104 description: phandle to voltage regulator of analog section. 105 106 dr_mode: 107 enum: [host, peripheral, otg] 108 109 g-rx-fifo-size: 110 $ref: /schemas/types.yaml#/definitions/uint32 111 description: size of rx fifo size in gadget mode. 112 113 g-np-tx-fifo-size: 114 $ref: /schemas/types.yaml#/definitions/uint32 115 description: size of non-periodic tx fifo size in gadget mode. 116 117 g-tx-fifo-size: 118 $ref: /schemas/types.yaml#/definitions/uint32-array 119 description: size of periodic tx fifo per endpoint (except ep0) in gadget mode. 120 121 snps,need-phy-for-wake: 122 $ref: /schemas/types.yaml#/definitions/flag 123 description: If present indicates that the phy needs to be left on for remote wakeup during suspend. 124 125 snps,reset-phy-on-wake: 126 $ref: /schemas/types.yaml#/definitions/flag 127 description: If present indicates that we need to reset the PHY when we detect a wakeup. 128 This is due to a hardware errata. 129 130required: 131 - compatible 132 - reg 133 - interrupts 134 - clocks 135 - clock-names 136 137additionalProperties: false 138 139examples: 140 - | 141 usb@101c0000 { 142 compatible = "rockchip,rk3066-usb", "snps,dwc2"; 143 reg = <0x10180000 0x40000>; 144 interrupts = <18>; 145 clocks = <&usb_otg_ahb_clk>; 146 clock-names = "otg"; 147 phys = <&usbphy>; 148 phy-names = "usb2-phy"; 149 }; 150 151... 152