0001 # SPDX-License-Identifier: GPL-2.0
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/usb/generic-ehci.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: USB EHCI Controller Device Tree Bindings
0008
0009 maintainers:
0010 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
0011
0012 allOf:
0013 - $ref: "usb-hcd.yaml"
0014 - if:
0015 properties:
0016 compatible:
0017 not:
0018 contains:
0019 const: ibm,usb-ehci-440epx
0020 then:
0021 properties:
0022 reg:
0023 maxItems: 1
0024
0025 properties:
0026 compatible:
0027 oneOf:
0028 - items:
0029 - enum:
0030 - allwinner,sun4i-a10-ehci
0031 - allwinner,sun50i-a64-ehci
0032 - allwinner,sun50i-h6-ehci
0033 - allwinner,sun5i-a13-ehci
0034 - allwinner,sun6i-a31-ehci
0035 - allwinner,sun7i-a20-ehci
0036 - allwinner,sun8i-a23-ehci
0037 - allwinner,sun8i-a83t-ehci
0038 - allwinner,sun8i-h3-ehci
0039 - allwinner,sun8i-r40-ehci
0040 - allwinner,sun9i-a80-ehci
0041 - allwinner,sun20i-d1-ehci
0042 - aspeed,ast2400-ehci
0043 - aspeed,ast2500-ehci
0044 - aspeed,ast2600-ehci
0045 - brcm,bcm3384-ehci
0046 - brcm,bcm63268-ehci
0047 - brcm,bcm6328-ehci
0048 - brcm,bcm6358-ehci
0049 - brcm,bcm6362-ehci
0050 - brcm,bcm6368-ehci
0051 - brcm,bcm7125-ehci
0052 - brcm,bcm7346-ehci
0053 - brcm,bcm7358-ehci
0054 - brcm,bcm7360-ehci
0055 - brcm,bcm7362-ehci
0056 - brcm,bcm7420-ehci
0057 - brcm,bcm7425-ehci
0058 - brcm,bcm7435-ehci
0059 - hpe,gxp-ehci
0060 - ibm,476gtr-ehci
0061 - nxp,lpc1850-ehci
0062 - qca,ar7100-ehci
0063 - snps,hsdk-v1.0-ehci
0064 - socionext,uniphier-ehci
0065 - const: generic-ehci
0066 - items:
0067 - enum:
0068 - cavium,octeon-6335-ehci
0069 - ibm,usb-ehci-440epx
0070 - ibm,usb-ehci-460ex
0071 - nintendo,hollywood-usb-ehci
0072 - st,spear600-ehci
0073 - const: usb-ehci
0074 - enum:
0075 - generic-ehci
0076 - usb-ehci
0077
0078 reg:
0079 minItems: 1
0080 maxItems: 2
0081
0082 interrupts:
0083 maxItems: 1
0084
0085 resets:
0086 minItems: 1
0087 maxItems: 4
0088
0089 clocks:
0090 minItems: 1
0091 maxItems: 4
0092 description: |
0093 In case the Renesas R-Car Gen3 SoCs:
0094 - if a host only channel: first clock should be host.
0095 - if a USB DRD channel: first clock should be host and second
0096 one should be peripheral
0097
0098 power-domains:
0099 maxItems: 1
0100
0101 big-endian:
0102 $ref: /schemas/types.yaml#/definitions/flag
0103 description:
0104 Set this flag for HCDs with big endian descriptors and big
0105 endian registers.
0106
0107 big-endian-desc:
0108 $ref: /schemas/types.yaml#/definitions/flag
0109 description:
0110 Set this flag for HCDs with big endian descriptors.
0111
0112 big-endian-regs:
0113 $ref: /schemas/types.yaml#/definitions/flag
0114 description:
0115 Set this flag for HCDs with big endian registers.
0116
0117 has-transaction-translator:
0118 $ref: /schemas/types.yaml#/definitions/flag
0119 description:
0120 Set this flag if EHCI has a Transaction Translator built into
0121 the root hub.
0122
0123 needs-reset-on-resume:
0124 $ref: /schemas/types.yaml#/definitions/flag
0125 description:
0126 Set this flag to force EHCI reset after resume.
0127
0128 spurious-oc:
0129 $ref: /schemas/types.yaml#/definitions/flag
0130 description:
0131 Set this flag to indicate that the hardware sometimes turns on
0132 the OC bit when an over-current isn't actually present.
0133
0134 phys:
0135 minItems: 1
0136 maxItems: 3
0137
0138 phy-names:
0139 const: usb
0140
0141 iommus:
0142 maxItems: 1
0143
0144 dr_mode:
0145 enum:
0146 - host
0147 - otg
0148
0149 required:
0150 - compatible
0151 - reg
0152 - interrupts
0153
0154 unevaluatedProperties: false
0155
0156 examples:
0157 - |
0158 usb@e0000300 {
0159 compatible = "ibm,usb-ehci-440epx", "usb-ehci";
0160 interrupt-parent = <&UIC0>;
0161 interrupts = <0x1a 4>;
0162 reg = <0xe0000300 90>, <0xe0000390 70>;
0163 big-endian;
0164 };
0165
0166 - |
0167 ehci0: usb@1c14000 {
0168 compatible = "allwinner,sun4i-a10-ehci", "generic-ehci";
0169 reg = <0x01c14000 0x100>;
0170 interrupts = <39>;
0171 clocks = <&ahb_gates 1>;
0172 phys = <&usbphy 1>;
0173 phy-names = "usb";
0174 };
0175
0176 ...
