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- USB xHCI controllers
- Required properties:
- - compatible: should be one or more of
- - "generic-xhci" for generic XHCI device
- - "marvell,armada3700-xhci" for Armada 37xx SoCs
- - "marvell,armada-375-xhci" for Armada 375 SoCs
- - "marvell,armada-380-xhci" for Armada 38x SoCs
- - "renesas,xhci-r8a7743" for r8a7743 SoC
- - "renesas,xhci-r8a7790" for r8a7790 SoC
- - "renesas,xhci-r8a7791" for r8a7791 SoC
- - "renesas,xhci-r8a7793" for r8a7793 SoC
- - "renesas,xhci-r8a7795" for r8a7795 SoC
- - "renesas,xhci-r8a7796" for r8a7796 SoC
- - "renesas,xhci-r8a77965" for r8a77965 SoC
- - "renesas,xhci-r8a77990" for r8a77990 SoC
- - "renesas,rcar-gen2-xhci" for a generic R-Car Gen2 or RZ/G1 compatible
- device
- - "renesas,rcar-gen3-xhci" for a generic R-Car Gen3 compatible device
- - "xhci-platform" (deprecated)
- When compatible with the generic version, nodes must list the
- SoC-specific version corresponding to the platform first
- followed by the generic version.
- - reg: should contain address and length of the standard XHCI
- register set for the device.
- - interrupts: one XHCI interrupt should be described here.
- Optional properties:
- - clocks: reference to the clocks
- - clock-names: mandatory if there is a second clock, in this case
- the name must be "core" for the first clock and "reg" for the
- second one
- - usb2-lpm-disable: indicate if we don't want to enable USB2 HW LPM
- - usb3-lpm-capable: determines if platform is USB3 LPM capable
- - quirk-broken-port-ped: set if the controller has broken port disable mechanism
- - imod-interval-ns: default interrupt moderation interval is 5000ns
- - phys : see usb-hcd.txt in the current directory
- additionally the properties from usb-hcd.txt (in the current directory) are
- supported.
- Example:
- usb@f0931000 {
- compatible = "generic-xhci";
- reg = <0xf0931000 0x8c8>;
- interrupts = <0x0 0x4e 0x0>;
- };
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