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| -rw-r--r-- | Documentation/devicetree/bindings/usb/generic-ehci.yaml | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml new file mode 100644 index 000000000..c5f629c5b --- /dev/null +++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml @@ -0,0 +1,176 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/generic-ehci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: USB EHCI Controller + +maintainers: + - Greg Kroah-Hartman <gregkh@linuxfoundation.org> + +allOf: + - $ref: "usb-hcd.yaml" + - if: + properties: + compatible: + not: + contains: + const: ibm,usb-ehci-440epx + then: + properties: + reg: + maxItems: 1 + +properties: + compatible: + oneOf: + - items: + - enum: + - allwinner,sun4i-a10-ehci + - allwinner,sun50i-a64-ehci + - allwinner,sun50i-h6-ehci + - allwinner,sun5i-a13-ehci + - allwinner,sun6i-a31-ehci + - allwinner,sun7i-a20-ehci + - allwinner,sun8i-a23-ehci + - allwinner,sun8i-a83t-ehci + - allwinner,sun8i-h3-ehci + - allwinner,sun8i-r40-ehci + - allwinner,sun9i-a80-ehci + - allwinner,sun20i-d1-ehci + - aspeed,ast2400-ehci + - aspeed,ast2500-ehci + - aspeed,ast2600-ehci + - brcm,bcm3384-ehci + - brcm,bcm63268-ehci + - brcm,bcm6328-ehci + - brcm,bcm6358-ehci + - brcm,bcm6362-ehci + - brcm,bcm6368-ehci + - brcm,bcm7125-ehci + - brcm,bcm7346-ehci + - brcm,bcm7358-ehci + - brcm,bcm7360-ehci + - brcm,bcm7362-ehci + - brcm,bcm7420-ehci + - brcm,bcm7425-ehci + - brcm,bcm7435-ehci + - hpe,gxp-ehci + - ibm,476gtr-ehci + - nxp,lpc1850-ehci + - qca,ar7100-ehci + - snps,hsdk-v1.0-ehci + - socionext,uniphier-ehci + - const: generic-ehci + - items: + - enum: + - cavium,octeon-6335-ehci + - ibm,usb-ehci-440epx + - ibm,usb-ehci-460ex + - nintendo,hollywood-usb-ehci + - st,spear600-ehci + - const: usb-ehci + - enum: + - generic-ehci + - usb-ehci + + reg: + minItems: 1 + maxItems: 2 + + interrupts: + maxItems: 1 + + resets: + minItems: 1 + maxItems: 4 + + clocks: + minItems: 1 + maxItems: 4 + description: | + In case the Renesas R-Car Gen3 SoCs: + - if a host only channel: first clock should be host. + - if a USB DRD channel: first clock should be host and second + one should be peripheral + + power-domains: + maxItems: 1 + + big-endian: + $ref: /schemas/types.yaml#/definitions/flag + description: + Set this flag for HCDs with big endian descriptors and big + endian registers. + + big-endian-desc: + $ref: /schemas/types.yaml#/definitions/flag + description: + Set this flag for HCDs with big endian descriptors. + + big-endian-regs: + $ref: /schemas/types.yaml#/definitions/flag + description: + Set this flag for HCDs with big endian registers. + + has-transaction-translator: + $ref: /schemas/types.yaml#/definitions/flag + description: + Set this flag if EHCI has a Transaction Translator built into + the root hub. + + needs-reset-on-resume: + $ref: /schemas/types.yaml#/definitions/flag + description: + Set this flag to force EHCI reset after resume. + + spurious-oc: + $ref: /schemas/types.yaml#/definitions/flag + description: + Set this flag to indicate that the hardware sometimes turns on + the OC bit when an over-current isn't actually present. + + phys: + minItems: 1 + maxItems: 3 + + phy-names: + const: usb + + iommus: + maxItems: 1 + + dr_mode: + enum: + - host + - otg + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + usb@e0000300 { + compatible = "ibm,usb-ehci-440epx", "usb-ehci"; + interrupt-parent = <&UIC0>; + interrupts = <0x1a 4>; + reg = <0xe0000300 90>, <0xe0000390 70>; + big-endian; + }; + + - | + ehci0: usb@1c14000 { + compatible = "allwinner,sun4i-a10-ehci", "generic-ehci"; + reg = <0x01c14000 0x100>; + interrupts = <39>; + clocks = <&ahb_gates 1>; + phys = <&usbphy 1>; + phy-names = "usb"; + }; + +... |