| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 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 | |
| 7 | title: USB EHCI Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| 11 | |
| 12 | allOf: |
| 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 | |
| 25 | properties: |
| 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,sun8i-v3s-ehci |
| 42 | - allwinner,sun9i-a80-ehci |
| 43 | - allwinner,sun20i-d1-ehci |
| 44 | - aspeed,ast2400-ehci |
| 45 | - aspeed,ast2500-ehci |
| 46 | - aspeed,ast2600-ehci |
| 47 | - brcm,bcm3384-ehci |
| 48 | - brcm,bcm63268-ehci |
| 49 | - brcm,bcm6328-ehci |
| 50 | - brcm,bcm6358-ehci |
| 51 | - brcm,bcm6362-ehci |
| 52 | - brcm,bcm6368-ehci |
| 53 | - brcm,bcm7125-ehci |
| 54 | - brcm,bcm7346-ehci |
| 55 | - brcm,bcm7358-ehci |
| 56 | - brcm,bcm7360-ehci |
| 57 | - brcm,bcm7362-ehci |
| 58 | - brcm,bcm7420-ehci |
| 59 | - brcm,bcm7425-ehci |
| 60 | - brcm,bcm7435-ehci |
| 61 | - hpe,gxp-ehci |
| 62 | - ibm,476gtr-ehci |
| 63 | - nxp,lpc1850-ehci |
| 64 | - qca,ar7100-ehci |
| 65 | - rockchip,rk3588-ehci |
| 66 | - snps,hsdk-v1.0-ehci |
| 67 | - socionext,uniphier-ehci |
| 68 | - const: generic-ehci |
| 69 | - items: |
| 70 | - enum: |
| 71 | - atmel,at91sam9g45-ehci |
| 72 | - cavium,octeon-6335-ehci |
| 73 | - ibm,usb-ehci-440epx |
| 74 | - ibm,usb-ehci-460ex |
| 75 | - nintendo,hollywood-usb-ehci |
| 76 | - st,spear600-ehci |
| 77 | - const: usb-ehci |
| 78 | - enum: |
| 79 | - generic-ehci |
| 80 | - marvell,armada-3700-ehci |
| 81 | - marvell,orion-ehci |
| 82 | - nuvoton,npcm750-ehci |
| 83 | - nuvoton,npcm845-ehci |
| 84 | - ti,ehci-omap |
| 85 | - usb-ehci |
| 86 | |
| 87 | reg: |
| 88 | minItems: 1 |
| 89 | maxItems: 2 |
| 90 | |
| 91 | interrupts: |
| 92 | maxItems: 1 |
| 93 | |
| 94 | resets: |
| 95 | minItems: 1 |
| 96 | maxItems: 4 |
| 97 | |
| 98 | clocks: |
| 99 | minItems: 1 |
| 100 | maxItems: 4 |
| 101 | description: | |
| 102 | In case the Renesas R-Car Gen3 SoCs: |
| 103 | - if a host only channel: first clock should be host. |
| 104 | - if a USB DRD channel: first clock should be host and second |
| 105 | one should be peripheral |
| 106 | |
| 107 | power-domains: |
| 108 | maxItems: 1 |
| 109 | |
| 110 | big-endian: |
| 111 | $ref: /schemas/types.yaml#/definitions/flag |
| 112 | description: |
| 113 | Set this flag for HCDs with big endian descriptors and big |
| 114 | endian registers. |
| 115 | |
| 116 | big-endian-desc: |
| 117 | $ref: /schemas/types.yaml#/definitions/flag |
| 118 | description: |
| 119 | Set this flag for HCDs with big endian descriptors. |
| 120 | |
| 121 | big-endian-regs: |
| 122 | $ref: /schemas/types.yaml#/definitions/flag |
| 123 | description: |
| 124 | Set this flag for HCDs with big endian registers. |
| 125 | |
| 126 | has-transaction-translator: |
| 127 | $ref: /schemas/types.yaml#/definitions/flag |
| 128 | description: |
| 129 | Set this flag if EHCI has a Transaction Translator built into |
| 130 | the root hub. |
| 131 | |
| 132 | needs-reset-on-resume: |
| 133 | $ref: /schemas/types.yaml#/definitions/flag |
| 134 | description: |
| 135 | Set this flag to force EHCI reset after resume. |
| 136 | |
| 137 | spurious-oc: |
| 138 | $ref: /schemas/types.yaml#/definitions/flag |
| 139 | description: |
| 140 | Set this flag to indicate that the hardware sometimes turns on |
| 141 | the OC bit when an over-current isn't actually present. |
| 142 | |
| 143 | phys: |
| 144 | minItems: 1 |
| 145 | maxItems: 3 |
| 146 | |
| 147 | phy-names: |
| 148 | const: usb |
| 149 | |
| 150 | iommus: |
| 151 | maxItems: 1 |
| 152 | |
| 153 | dr_mode: |
| 154 | enum: |
| 155 | - host |
| 156 | - otg |
| 157 | |
| 158 | required: |
| 159 | - compatible |
| 160 | - reg |
| 161 | - interrupts |
| 162 | |
| 163 | unevaluatedProperties: false |
| 164 | |
| 165 | examples: |
| 166 | - | |
| 167 | usb@e0000300 { |
| 168 | compatible = "ibm,usb-ehci-440epx", "usb-ehci"; |
| 169 | interrupt-parent = <&UIC0>; |
| 170 | interrupts = <0x1a 4>; |
| 171 | reg = <0xe0000300 90>, <0xe0000390 70>; |
| 172 | big-endian; |
| 173 | }; |
| 174 | |
| 175 | - | |
| 176 | ehci0: usb@1c14000 { |
| 177 | compatible = "allwinner,sun4i-a10-ehci", "generic-ehci"; |
| 178 | reg = <0x01c14000 0x100>; |
| 179 | interrupts = <39>; |
| 180 | clocks = <&ahb_gates 1>; |
| 181 | phys = <&usbphy 1>; |
| 182 | phy-names = "usb"; |
| 183 | }; |
| 184 | |
| 185 | ... |