tegrakernel/kernel/kernel-4.9/Documentation/devicetree/bindings/phy/meson-usb2-phy.txt

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2022-02-16 09:13:02 -06:00
* Amlogic USB2 PHY
Required properties:
- compatible: Depending on the platform this should be one of:
"amlogic,meson8b-usb2-phy"
"amlogic,meson-gxbb-usb2-phy"
- reg: The base address and length of the registers
- #phys-cells: should be 0 (see phy-bindings.txt in this directory)
- clocks: phandle and clock identifier for the phy clocks
- clock-names: "usb_general" and "usb"
Optional properties:
- resets: reference to the reset controller
- phy-supply: see phy-bindings.txt in this directory
Example:
usb0_phy: usb_phy@0 {
compatible = "amlogic,meson-gxbb-usb2-phy";
#phy-cells = <0>;
reg = <0x0 0x0 0x0 0x20>;
resets = <&reset RESET_USB_OTG>;
clocks = <&clkc CLKID_USB>, <&clkc CLKID_USB0>;
clock-names = "usb_general", "usb";
phy-supply = <&usb_vbus>;
};