1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/usb/generic-ehci.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: USB EHCI Controller Device Tree Bindings 8 9maintainers: 10 - Greg Kroah-Hartman <gregkh@linuxfoundation.org> 11 12allOf: 13 - $ref: "usb-hcd.yaml" 14 - if: 15 properties: 16 compatible: 17 not: 18 contains: 19 const: ibm,usb-ehci-440epx 20 then: 21 properties: 22 reg: 23 maxItems: 1 24 25properties: 26 compatible: 27 oneOf: 28 - items: 29 - enum: 30 - allwinner,sun4i-a10-ehci 31 - allwinner,sun50i-a64-ehci 32 - allwinner,sun50i-h6-ehci 33 - allwinner,sun5i-a13-ehci 34 - allwinner,sun6i-a31-ehci 35 - allwinner,sun7i-a20-ehci 36 - allwinner,sun8i-a23-ehci 37 - allwinner,sun8i-a83t-ehci 38 - allwinner,sun8i-h3-ehci 39 - allwinner,sun8i-r40-ehci 40 - allwinner,sun9i-a80-ehci 41 - aspeed,ast2400-ehci 42 - aspeed,ast2500-ehci 43 - aspeed,ast2600-ehci 44 - brcm,bcm3384-ehci 45 - brcm,bcm63268-ehci 46 - brcm,bcm6328-ehci 47 - brcm,bcm6358-ehci 48 - brcm,bcm6362-ehci 49 - brcm,bcm6368-ehci 50 - brcm,bcm7125-ehci 51 - brcm,bcm7346-ehci 52 - brcm,bcm7358-ehci 53 - brcm,bcm7360-ehci 54 - brcm,bcm7362-ehci 55 - brcm,bcm7420-ehci 56 - brcm,bcm7425-ehci 57 - brcm,bcm7435-ehci 58 - ibm,476gtr-ehci 59 - nxp,lpc1850-ehci 60 - qca,ar7100-ehci 61 - snps,hsdk-v1.0-ehci 62 - socionext,uniphier-ehci 63 - const: generic-ehci 64 - items: 65 - enum: 66 - cavium,octeon-6335-ehci 67 - ibm,usb-ehci-440epx 68 - ibm,usb-ehci-460ex 69 - nintendo,hollywood-usb-ehci 70 - st,spear600-ehci 71 - const: usb-ehci 72 - enum: 73 - generic-ehci 74 - usb-ehci 75 76 reg: 77 minItems: 1 78 maxItems: 2 79 80 interrupts: 81 maxItems: 1 82 83 resets: 84 minItems: 1 85 maxItems: 4 86 87 clocks: 88 minItems: 1 89 maxItems: 4 90 description: | 91 In case the Renesas R-Car Gen3 SoCs: 92 - if a host only channel: first clock should be host. 93 - if a USB DRD channel: first clock should be host and second 94 one should be peripheral 95 96 power-domains: 97 maxItems: 1 98 99 big-endian: 100 $ref: /schemas/types.yaml#/definitions/flag 101 description: 102 Set this flag for HCDs with big endian descriptors and big 103 endian registers. 104 105 big-endian-desc: 106 $ref: /schemas/types.yaml#/definitions/flag 107 description: 108 Set this flag for HCDs with big endian descriptors. 109 110 big-endian-regs: 111 $ref: /schemas/types.yaml#/definitions/flag 112 description: 113 Set this flag for HCDs with big endian registers. 114 115 has-transaction-translator: 116 $ref: /schemas/types.yaml#/definitions/flag 117 description: 118 Set this flag if EHCI has a Transaction Translator built into 119 the root hub. 120 121 needs-reset-on-resume: 122 $ref: /schemas/types.yaml#/definitions/flag 123 description: 124 Set this flag to force EHCI reset after resume. 125 126 spurious-oc: 127 $ref: /schemas/types.yaml#/definitions/flag 128 description: 129 Set this flag to indicate that the hardware sometimes turns on 130 the OC bit when an over-current isn't actually present. 131 132 companion: 133 $ref: /schemas/types.yaml#/definitions/phandle 134 description: 135 Phandle of a companion. 136 137 phys: 138 maxItems: 1 139 140 phy-names: 141 const: usb 142 143 iommus: 144 maxItems: 1 145 146 dr_mode: 147 enum: 148 - host 149 - otg 150 151required: 152 - compatible 153 - reg 154 - interrupts 155 156additionalProperties: false 157 158examples: 159 - | 160 usb@e0000300 { 161 compatible = "ibm,usb-ehci-440epx", "usb-ehci"; 162 interrupt-parent = <&UIC0>; 163 interrupts = <0x1a 4>; 164 reg = <0xe0000300 90>, <0xe0000390 70>; 165 big-endian; 166 }; 167 168 - | 169 ehci0: usb@1c14000 { 170 compatible = "allwinner,sun4i-a10-ehci", "generic-ehci"; 171 reg = <0x01c14000 0x100>; 172 interrupts = <39>; 173 clocks = <&ahb_gates 1>; 174 phys = <&usbphy 1>; 175 phy-names = "usb"; 176 }; 177 178... 179