1ROCKCHIP USB2 PHY 2 3Required properties: 4 - compatible: rockchip,rk3288-usb-phy 5 - rockchip,grf : phandle to the syscon managing the "general 6 register files" 7 - #address-cells: should be 1 8 - #size-cells: should be 0 9 10Sub-nodes: 11Each PHY should be represented as a sub-node. 12 13Sub-nodes 14required properties: 15- #phy-cells: should be 0 16- reg: PHY configure reg address offset in GRF 17 "0x320" - for PHY attach to OTG controller 18 "0x334" - for PHY attach to HOST0 controller 19 "0x348" - for PHY attach to HOST1 controller 20 21Optional Properties: 22- clocks : phandle + clock specifier for the phy clocks 23- clock-names: string, clock name, must be "phyclk" 24 25Example: 26 27usbphy: phy { 28 compatible = "rockchip,rk3288-usb-phy"; 29 rockchip,grf = <&grf>; 30 #address-cells = <1>; 31 #size-cells = <0>; 32 33 usbphy0: usb-phy0 { 34 #phy-cells = <0>; 35 reg = <0x320>; 36 }; 37}; 38