Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt

   1 Allwinner sun4i USB PHY
   2 -----------------------
   3
   4 Required 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   * allwinner,sun8i-a83t-usb-phy
  13   * allwinner,sun8i-h3-usb-phy
  14   * allwinner,sun8i-v3s-usb-phy
  15   * allwinner,sun50i-a64-usb-phy
  16 - reg : a list of offset + length pairs
  17 - reg-names :
  18   * "phy_ctrl"
  19   * "pmu0" for H3, V3s and A64
  20   * "pmu1"
  21   * "pmu2" for sun4i, sun6i, sun7i, sun8i-a83t or sun8i-h3
  22   * "pmu3" for sun8i-h3
  23 - #phy-cells : from the generic phy bindings, must be 1
  24 - clocks : phandle + clock specifier for the phy clocks
  25 - clock-names :
  26   * "usb_phy" for sun4i, sun5i or sun7i
  27   * "usb0_phy", "usb1_phy" and "usb2_phy" for sun6i
  28   * "usb0_phy", "usb1_phy" for sun8i
  29   * "usb0_phy", "usb1_phy", "usb2_phy" and "usb2_hsic_12M" for sun8i-a83t
  30   * "usb0_phy", "usb1_phy", "usb2_phy" and "usb3_phy" for sun8i-h3
  31 - resets : a list of phandle + reset specifier pairs
  32 - reset-names :
  33   * "usb0_reset"
  34   * "usb1_reset"
  35   * "usb2_reset" for sun4i, sun6i, sun7i, sun8i-a83t or sun8i-h3
  36   * "usb3_reset" for sun8i-h3
  37
  38 Optional properties:
  39 - usb0_id_det-gpios : gpio phandle for reading the otg id pin value
  40 - usb0_vbus_det-gpios : gpio phandle for detecting the presence of usb0 vbus
  41 - usb0_vbus_power-supply: power-supply phandle for usb0 vbus presence detect
  42 - usb0_vbus-supply : regulator phandle for controller usb0 vbus
  43 - usb1_vbus-supply : regulator phandle for controller usb1 vbus
  44 - usb2_vbus-supply : regulator phandle for controller usb2 vbus
  45 - usb3_vbus-supply : regulator phandle for controller usb3 vbus
  46
  47 Example:
  48         usbphy: phy@0x01c13400 {
  49                 #phy-cells = <1>;
  50                 compatible = "allwinner,sun4i-a10-usb-phy";
  51                 /* phy base regs, phy1 pmu reg, phy2 pmu reg */
  52                 reg = <0x01c13400 0x10 0x01c14800 0x4 0x01c1c800 0x4>;
  53                 reg-names = "phy_ctrl", "pmu1", "pmu2";
  54                 clocks = <&usb_clk 8>;
  55                 clock-names = "usb_phy";
  56                 resets = <&usb_clk 0>, <&usb_clk 1>, <&usb_clk 2>;
  57                 reset-names = "usb0_reset", "usb1_reset", "usb2_reset";
  58                 pinctrl-names = "default";
  59                 pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
  60                 usb0_id_det-gpios = <&pio 7 19 GPIO_ACTIVE_HIGH>; /* PH19 */
  61                 usb0_vbus_det-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>; /* PH22 */
  62                 usb0_vbus-supply = <&reg_usb0_vbus>;
  63                 usb1_vbus-supply = <&reg_usb1_vbus>;
  64                 usb2_vbus-supply = <&reg_usb2_vbus>;
  65         };