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 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,sun50i-h616-ehci 34 - allwinner,sun5i-a13-ehci 35 - allwinner,sun6i-a31-ehci 36 - allwinner,sun7i-a20-ehci 37 - allwinner,sun8i-a23-ehci 38 - allwinner,sun8i-a83t-ehci 39 - allwinner,sun8i-h3-ehci 40 - allwinner,sun8i-r40-ehci 41 - allwinner,sun9i-a80-ehci 42 - allwinner,sun20i-d1-ehci 43 - aspeed,ast2400-ehci 44 - aspeed,ast2500-ehci 45 - aspeed,ast2600-ehci 46 - brcm,bcm3384-ehci 47 - brcm,bcm63268-ehci 48 - brcm,bcm6328-ehci 49 - brcm,bcm6358-ehci 50 - brcm,bcm6362-ehci 51 - brcm,bcm6368-ehci 52 - brcm,bcm7125-ehci 53 - brcm,bcm7346-ehci 54 - brcm,bcm7358-ehci 55 - brcm,bcm7360-ehci 56 - brcm,bcm7362-ehci 57 - brcm,bcm7420-ehci 58 - brcm,bcm7425-ehci 59 - brcm,bcm7435-ehci 60 - hpe,gxp-ehci 61 - ibm,476gtr-ehci 62 - nxp,lpc1850-ehci 63 - qca,ar7100-ehci 64 - snps,hsdk-v1.0-ehci 65 - socionext,uniphier-ehci 66 - const: generic-ehci 67 - items: 68 - enum: 69 - cavium,octeon-6335-ehci 70 - ibm,usb-ehci-440epx 71 - ibm,usb-ehci-460ex 72 - nintendo,hollywood-usb-ehci 73 - st,spear600-ehci 74 - const: usb-ehci 75 - enum: 76 - generic-ehci 77 - usb-ehci 78 79 reg: 80 minItems: 1 81 maxItems: 2 82 83 interrupts: 84 maxItems: 1 85 86 resets: 87 minItems: 1 88 maxItems: 4 89 90 clocks: 91 minItems: 1 92 maxItems: 4 93 description: | 94 In case the Renesas R-Car Gen3 SoCs: 95 - if a host only channel: first clock should be host. 96 - if a USB DRD channel: first clock should be host and second 97 one should be peripheral 98 99 power-domains: 100 maxItems: 1 101 102 big-endian: 103 $ref: /schemas/types.yaml#/definitions/flag 104 description: 105 Set this flag for HCDs with big endian descriptors and big 106 endian registers. 107 108 big-endian-desc: 109 $ref: /schemas/types.yaml#/definitions/flag 110 description: 111 Set this flag for HCDs with big endian descriptors. 112 113 big-endian-regs: 114 $ref: /schemas/types.yaml#/definitions/flag 115 description: 116 Set this flag for HCDs with big endian registers. 117 118 has-transaction-translator: 119 $ref: /schemas/types.yaml#/definitions/flag 120 description: 121 Set this flag if EHCI has a Transaction Translator built into 122 the root hub. 123 124 needs-reset-on-resume: 125 $ref: /schemas/types.yaml#/definitions/flag 126 description: 127 Set this flag to force EHCI reset after resume. 128 129 spurious-oc: 130 $ref: /schemas/types.yaml#/definitions/flag 131 description: 132 Set this flag to indicate that the hardware sometimes turns on 133 the OC bit when an over-current isn't actually present. 134 135 phys: 136 minItems: 1 137 maxItems: 3 138 139 phy-names: 140 const: usb 141 142 iommus: 143 maxItems: 1 144 145 dr_mode: 146 enum: 147 - host 148 - otg 149 150required: 151 - compatible 152 - reg 153 - interrupts 154 155unevaluatedProperties: false 156 157examples: 158 - | 159 usb@e0000300 { 160 compatible = "ibm,usb-ehci-440epx", "usb-ehci"; 161 interrupt-parent = <&UIC0>; 162 interrupts = <0x1a 4>; 163 reg = <0xe0000300 90>, <0xe0000390 70>; 164 big-endian; 165 }; 166 167 - | 168 ehci0: usb@1c14000 { 169 compatible = "allwinner,sun4i-a10-ehci", "generic-ehci"; 170 reg = <0x01c14000 0x100>; 171 interrupts = <39>; 172 clocks = <&ahb_gates 1>; 173 phys = <&usbphy 1>; 174 phy-names = "usb"; 175 }; 176 177... 178