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-h3-ehci 38 - allwinner,sun8i-r40-ehci 39 - allwinner,sun9i-a80-ehci 40 - aspeed,ast2400-ehci 41 - aspeed,ast2500-ehci 42 - aspeed,ast2600-ehci 43 - brcm,bcm3384-ehci 44 - brcm,bcm63268-ehci 45 - brcm,bcm6328-ehci 46 - brcm,bcm6358-ehci 47 - brcm,bcm6362-ehci 48 - brcm,bcm6368-ehci 49 - brcm,bcm7125-ehci 50 - brcm,bcm7346-ehci 51 - brcm,bcm7358-ehci 52 - brcm,bcm7360-ehci 53 - brcm,bcm7362-ehci 54 - brcm,bcm7420-ehci 55 - brcm,bcm7425-ehci 56 - brcm,bcm7435-ehci 57 - ibm,476gtr-ehci 58 - nxp,lpc1850-ehci 59 - qca,ar7100-ehci 60 - snps,hsdk-v1.0-ehci 61 - socionext,uniphier-ehci 62 - const: generic-ehci 63 - items: 64 - enum: 65 - cavium,octeon-6335-ehci 66 - ibm,usb-ehci-440epx 67 - ibm,usb-ehci-460ex 68 - nintendo,hollywood-usb-ehci 69 - st,spear600-ehci 70 - const: usb-ehci 71 - enum: 72 - generic-ehci 73 - usb-ehci 74 75 reg: 76 minItems: 1 77 maxItems: 2 78 79 interrupts: 80 maxItems: 1 81 82 resets: 83 minItems: 1 84 maxItems: 4 85 86 clocks: 87 minItems: 1 88 maxItems: 4 89 description: | 90 In case the Renesas R-Car Gen3 SoCs: 91 - if a host only channel: first clock should be host. 92 - if a USB DRD channel: first clock should be host and second 93 one should be peripheral 94 95 power-domains: 96 maxItems: 1 97 98 big-endian: 99 $ref: /schemas/types.yaml#/definitions/flag 100 description: 101 Set this flag for HCDs with big endian descriptors and big 102 endian registers. 103 104 big-endian-desc: 105 $ref: /schemas/types.yaml#/definitions/flag 106 description: 107 Set this flag for HCDs with big endian descriptors. 108 109 big-endian-regs: 110 $ref: /schemas/types.yaml#/definitions/flag 111 description: 112 Set this flag for HCDs with big endian registers. 113 114 has-transaction-translator: 115 $ref: /schemas/types.yaml#/definitions/flag 116 description: 117 Set this flag if EHCI has a Transaction Translator built into 118 the root hub. 119 120 needs-reset-on-resume: 121 $ref: /schemas/types.yaml#/definitions/flag 122 description: 123 Set this flag to force EHCI reset after resume. 124 125 spurious-oc: 126 $ref: /schemas/types.yaml#/definitions/flag 127 description: 128 Set this flag to indicate that the hardware sometimes turns on 129 the OC bit when an over-current isn't actually present. 130 131 companion: 132 $ref: /schemas/types.yaml#/definitions/phandle 133 description: 134 Phandle of a companion. 135 136 phys: 137 maxItems: 1 138 139 phy-names: 140 const: usb 141 142 iommus: 143 maxItems: 1 144 145required: 146 - compatible 147 - reg 148 - interrupts 149 150additionalProperties: false 151 152examples: 153 - | 154 usb@e0000300 { 155 compatible = "ibm,usb-ehci-440epx", "usb-ehci"; 156 interrupt-parent = <&UIC0>; 157 interrupts = <0x1a 4>; 158 reg = <0xe0000300 90>, <0xe0000390 70>; 159 big-endian; 160 }; 161 162 - | 163 ehci0: usb@1c14000 { 164 compatible = "allwinner,sun4i-a10-ehci", "generic-ehci"; 165 reg = <0x01c14000 0x100>; 166 interrupts = <39>; 167 clocks = <&ahb_gates 1>; 168 phys = <&usbphy 1>; 169 phy-names = "usb"; 170 }; 171 172... 173