^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) USB xHCI controllers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) Required properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) - compatible: should be one or more of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) - "generic-xhci" for generic XHCI device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) - "marvell,armada3700-xhci" for Armada 37xx SoCs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) - "marvell,armada-375-xhci" for Armada 375 SoCs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) - "marvell,armada-380-xhci" for Armada 38x SoCs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) - "brcm,bcm7445-xhci" for Broadcom STB SoCs with XHCI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) - "xhci-platform" (deprecated)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) When compatible with the generic version, nodes must list the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) SoC-specific version corresponding to the platform first
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) followed by the generic version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) - reg: should contain address and length of the standard XHCI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) register set for the device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) - interrupts: one XHCI interrupt should be described here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) Optional properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) - clocks: reference to the clocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) - clock-names: mandatory if there is a second clock, in this case
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) the name must be "core" for the first clock and "reg" for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) second one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) - usb2-lpm-disable: indicate if we don't want to enable USB2 HW LPM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) - usb3-lpm-capable: determines if platform is USB3 LPM capable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) - quirk-broken-port-ped: set if the controller has broken port disable mechanism
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) - quirk-skip-phy-init: indicate that do not manage the PHY state in the HCD core
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) and handle this in the controller's driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) - imod-interval-ns: default interrupt moderation interval is 5000ns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) - phys : see usb-hcd.yaml in the current directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) - offload: supporting USB offload feature, 0: disabled, 1: audio
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) additionally the properties from usb-hcd.yaml (in the current directory) are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) supported.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) usb@f0931000 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) compatible = "generic-xhci";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) reg = <0xf0931000 0x8c8>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) interrupts = <0x0 0x4e 0x0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) };