1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/usb/generic-ohci.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: USB OHCI Controller 8 9maintainers: 10 - Greg Kroah-Hartman <gregkh@linuxfoundation.org> 11 12properties: 13 compatible: 14 oneOf: 15 - items: 16 - enum: 17 - allwinner,sun4i-a10-ohci 18 - allwinner,sun50i-a100-ohci 19 - allwinner,sun50i-a64-ohci 20 - allwinner,sun50i-h6-ohci 21 - allwinner,sun50i-h616-ohci 22 - allwinner,sun55i-a523-ohci 23 - allwinner,sun5i-a13-ohci 24 - allwinner,sun6i-a31-ohci 25 - allwinner,sun7i-a20-ohci 26 - allwinner,sun8i-a23-ohci 27 - allwinner,sun8i-a83t-ohci 28 - allwinner,sun8i-h3-ohci 29 - allwinner,sun8i-r40-ohci 30 - allwinner,sun8i-v3s-ohci 31 - allwinner,sun9i-a80-ohci 32 - allwinner,sun20i-d1-ohci 33 - brcm,bcm3384-ohci 34 - brcm,bcm63268-ohci 35 - brcm,bcm6328-ohci 36 - brcm,bcm6358-ohci 37 - brcm,bcm6362-ohci 38 - brcm,bcm6368-ohci 39 - brcm,bcm7125-ohci 40 - brcm,bcm7346-ohci 41 - brcm,bcm7358-ohci 42 - brcm,bcm7360-ohci 43 - brcm,bcm7362-ohci 44 - brcm,bcm7420-ohci 45 - brcm,bcm7425-ohci 46 - brcm,bcm7435-ohci 47 - hpe,gxp-ohci 48 - ibm,476gtr-ohci 49 - ingenic,jz4740-ohci 50 - rockchip,rk3588-ohci 51 - snps,hsdk-v1.0-ohci 52 - const: generic-ohci 53 - enum: 54 - generic-ohci 55 - ti,ohci-omap3 56 - items: 57 - enum: 58 - atmel,at91rm9200-ohci 59 - cavium,octeon-6335-ohci 60 - nintendo,hollywood-usb-ohci 61 - nxp,ohci-nxp 62 - st,spear600-ohci 63 - const: usb-ohci 64 65 reg: 66 maxItems: 1 67 68 dma-coherent: true 69 70 interrupts: 71 maxItems: 1 72 73 resets: 74 minItems: 1 75 maxItems: 2 76 77 clocks: 78 minItems: 1 79 maxItems: 4 80 description: | 81 In case the Renesas R-Car Gen3 SoCs: 82 - if a host only channel: first clock should be host. 83 - if a USB DRD channel: first clock should be host and second 84 one should be peripheral 85 86 power-domains: 87 maxItems: 1 88 89 big-endian: 90 $ref: /schemas/types.yaml#/definitions/flag 91 description: 92 Set this flag for HCDs with big endian descriptors and big 93 endian registers. 94 95 big-endian-desc: 96 $ref: /schemas/types.yaml#/definitions/flag 97 description: 98 Set this flag for HCDs with big endian descriptors. 99 100 big-endian-regs: 101 $ref: /schemas/types.yaml#/definitions/flag 102 description: 103 Set this flag for HCDs with big endian registers. 104 105 remote-wakeup-connected: 106 $ref: /schemas/types.yaml#/definitions/flag 107 description: 108 Remote wakeup is wired on the platform. 109 110 no-big-frame-no: 111 $ref: /schemas/types.yaml#/definitions/flag 112 description: 113 Set if frame_no lives in bits [15:0] of HCCA 114 115 num-ports: 116 $ref: /schemas/types.yaml#/definitions/uint32 117 description: 118 Overrides the detected port count 119 120 phys: 121 minItems: 1 122 maxItems: 3 123 124 phy-names: 125 const: usb 126 127 iommus: 128 maxItems: 1 129 130 dr_mode: 131 enum: 132 - host 133 - otg 134 135 transceiver: 136 $ref: /schemas/types.yaml#/definitions/phandle 137 description: 138 The associated ISP1301 device. Necessary for the UDC controller for 139 connecting to the USB physical layer. 140 141 atmel,vbus-gpio: 142 description: 143 GPIO used to control or sense the USB VBUS power. Each entry 144 represents a VBUS-related GPIO; count and order may vary by hardware. 145 Entries follow standard GPIO specifier format. A value of 0 indicates 146 an unused or unavailable VBUS signal. 147 minItems: 1 148 maxItems: 3 149 150 atmel,oc-gpio: 151 description: 152 GPIO used to signal USB overcurrent condition. Each entry represents 153 an OC detection GPIO; count and order may vary by hardware. Entries 154 follow standard GPIO specifier format. A value of 0 indicates an 155 unused or unavailable OC signal. 156 minItems: 1 157 maxItems: 3 158 159required: 160 - compatible 161 - reg 162 - interrupts 163 164allOf: 165 - $ref: usb-hcd.yaml 166 - if: 167 properties: 168 compatible: 169 contains: 170 const: atmel,at91rm9200-ohci 171 then: 172 properties: 173 clock-names: 174 items: 175 - const: ohci_clk 176 - const: hclk 177 - const: uhpck 178 179 required: 180 - clocks 181 - clock-names 182 183 else: 184 properties: 185 atmel,vbus-gpio: false 186 atmel,oc-gpio: false 187 188 - if: 189 not: 190 properties: 191 compatible: 192 contains: 193 const: nxp,ohci-nxp 194 then: 195 properties: 196 transceiver: false 197 - if: 198 properties: 199 compatible: 200 contains: 201 const: rockchip,rk3588-ohci 202 then: 203 properties: 204 clocks: 205 minItems: 4 206 else: 207 properties: 208 clocks: 209 minItems: 1 210 maxItems: 3 211 212unevaluatedProperties: false 213 214examples: 215 - | 216 ohci0: usb@1c14400 { 217 compatible = "allwinner,sun4i-a10-ohci", "generic-ohci"; 218 reg = <0x01c14400 0x100>; 219 interrupts = <64>; 220 clocks = <&usb_clk 6>, <&ahb_gates 2>; 221 phys = <&usbphy 1>; 222 phy-names = "usb"; 223 }; 224 225... 226