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 - allwinner,sun20i-d1-ehci 42 - aspeed,ast2400-ehci 43 - aspeed,ast2500-ehci 44 - aspeed,ast2600-ehci 45 - brcm,bcm3384-ehci 46 - brcm,bcm63268-ehci 47 - brcm,bcm6328-ehci 48 - brcm,bcm6358-ehci 49 - brcm,bcm6362-ehci 50 - brcm,bcm6368-ehci 51 - brcm,bcm7125-ehci 52 - brcm,bcm7346-ehci 53 - brcm,bcm7358-ehci 54 - brcm,bcm7360-ehci 55 - brcm,bcm7362-ehci 56 - brcm,bcm7420-ehci 57 - brcm,bcm7425-ehci 58 - brcm,bcm7435-ehci 59 - hpe,gxp-ehci 60 - ibm,476gtr-ehci 61 - nxp,lpc1850-ehci 62 - qca,ar7100-ehci 63 - snps,hsdk-v1.0-ehci 64 - socionext,uniphier-ehci 65 - const: generic-ehci 66 - items: 67 - enum: 68 - cavium,octeon-6335-ehci 69 - ibm,usb-ehci-440epx 70 - ibm,usb-ehci-460ex 71 - nintendo,hollywood-usb-ehci 72 - st,spear600-ehci 73 - const: usb-ehci 74 - enum: 75 - generic-ehci 76 - usb-ehci 77 78 reg: 79 minItems: 1 80 maxItems: 2 81 82 interrupts: 83 maxItems: 1 84 85 resets: 86 minItems: 1 87 maxItems: 4 88 89 clocks: 90 minItems: 1 91 maxItems: 4 92 description: | 93 In case the Renesas R-Car Gen3 SoCs: 94 - if a host only channel: first clock should be host. 95 - if a USB DRD channel: first clock should be host and second 96 one should be peripheral 97 98 power-domains: 99 maxItems: 1 100 101 big-endian: 102 $ref: /schemas/types.yaml#/definitions/flag 103 description: 104 Set this flag for HCDs with big endian descriptors and big 105 endian registers. 106 107 big-endian-desc: 108 $ref: /schemas/types.yaml#/definitions/flag 109 description: 110 Set this flag for HCDs with big endian descriptors. 111 112 big-endian-regs: 113 $ref: /schemas/types.yaml#/definitions/flag 114 description: 115 Set this flag for HCDs with big endian registers. 116 117 has-transaction-translator: 118 $ref: /schemas/types.yaml#/definitions/flag 119 description: 120 Set this flag if EHCI has a Transaction Translator built into 121 the root hub. 122 123 needs-reset-on-resume: 124 $ref: /schemas/types.yaml#/definitions/flag 125 description: 126 Set this flag to force EHCI reset after resume. 127 128 spurious-oc: 129 $ref: /schemas/types.yaml#/definitions/flag 130 description: 131 Set this flag to indicate that the hardware sometimes turns on 132 the OC bit when an over-current isn't actually present. 133 134 phys: 135 minItems: 1 136 maxItems: 3 137 138 phy-names: 139 const: usb 140 141 iommus: 142 maxItems: 1 143 144 dr_mode: 145 enum: 146 - host 147 - otg 148 149required: 150 - compatible 151 - reg 152 - interrupts 153 154unevaluatedProperties: false 155 156examples: 157 - | 158 usb@e0000300 { 159 compatible = "ibm,usb-ehci-440epx", "usb-ehci"; 160 interrupt-parent = <&UIC0>; 161 interrupts = <0x1a 4>; 162 reg = <0xe0000300 90>, <0xe0000390 70>; 163 big-endian; 164 }; 165 166 - | 167 ehci0: usb@1c14000 { 168 compatible = "allwinner,sun4i-a10-ehci", "generic-ehci"; 169 reg = <0x01c14000 0x100>; 170 interrupts = <39>; 171 clocks = <&ahb_gates 1>; 172 phys = <&usbphy 1>; 173 phy-names = "usb"; 174 }; 175 176... 177