Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt

   1 ROCKCHIP USB2 PHY
   2
   3 Required properties:
   4  - compatible: rockchip,rk3288-usb-phy
   5  - rockchip,grf : phandle to the syscon managing the "general
   6    register files"
   7  - #phy-cells: must be 1
   8 Refer to phy/phy-bindings.txt for the generic PHY binding
   9 properties
  10
  11 Example:
  12
  13         usbphy: phy {
  14         #phy-cells = <1>;
  15         compatible = "rockchip,rk3288-usb-phy";
  16         rockchip,grf = <&grf>;
  17         };