1Allwinner sun4i USB PHY 2----------------------- 3 4Required properties: 5- compatible : should be one of 6 * allwinner,sun4i-a10-usb-phy 7 * allwinner,sun5i-a13-usb-phy 8 * allwinner,sun6i-a31-usb-phy 9 * allwinner,sun7i-a20-usb-phy 10 * allwinner,sun8i-a23-usb-phy 11 * allwinner,sun8i-a33-usb-phy 12- reg : a list of offset + length pairs 13- reg-names : 14 * "phy_ctrl" 15 * "pmu1" 16 * "pmu2" for sun4i, sun6i or sun7i 17- #phy-cells : from the generic phy bindings, must be 1 18- clocks : phandle + clock specifier for the phy clocks 19- clock-names : 20 * "usb_phy" for sun4i, sun5i or sun7i 21 * "usb0_phy", "usb1_phy" and "usb2_phy" for sun6i 22 * "usb0_phy", "usb1_phy" for sun8i 23- resets : a list of phandle + reset specifier pairs 24- reset-names : 25 * "usb0_reset" 26 * "usb1_reset" 27 * "usb2_reset" for sun4i, sun6i or sun7i 28 29Optional properties: 30- usb0_id_det-gpios : gpio phandle for reading the otg id pin value 31- usb0_vbus_det-gpios : gpio phandle for detecting the presence of usb0 vbus 32- usb0_vbus_power-supply: power-supply phandle for usb0 vbus presence detect 33- usb0_vbus-supply : regulator phandle for controller usb0 vbus 34- usb1_vbus-supply : regulator phandle for controller usb1 vbus 35- usb2_vbus-supply : regulator phandle for controller usb2 vbus 36 37Example: 38 usbphy: phy@0x01c13400 { 39 #phy-cells = <1>; 40 compatible = "allwinner,sun4i-a10-usb-phy"; 41 /* phy base regs, phy1 pmu reg, phy2 pmu reg */ 42 reg = <0x01c13400 0x10 0x01c14800 0x4 0x01c1c800 0x4>; 43 reg-names = "phy_ctrl", "pmu1", "pmu2"; 44 clocks = <&usb_clk 8>; 45 clock-names = "usb_phy"; 46 resets = <&usb_clk 0>, <&usb_clk 1>, <&usb_clk 2>; 47 reset-names = "usb0_reset", "usb1_reset", "usb2_reset"; 48 pinctrl-names = "default"; 49 pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>; 50 usb0_id_det-gpios = <&pio 7 19 GPIO_ACTIVE_HIGH>; /* PH19 */ 51 usb0_vbus_det-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>; /* PH22 */ 52 usb0_vbus-supply = <®_usb0_vbus>; 53 usb1_vbus-supply = <®_usb1_vbus>; 54 usb2_vbus-supply = <®_usb2_vbus>; 55 }; 56