Kernel-4.18.0-80.el8_sun4i-usb-phy

Allwinner sun4i USB PHY

Required properties:

  • compatible : should be one of
    • allwinner,sun4i-a10-usb-phy
    • allwinner,sun5i-a13-usb-phy
    • allwinner,sun6i-a31-usb-phy
    • allwinner,sun7i-a20-usb-phy
    • allwinner,sun8i-a23-usb-phy
    • allwinner,sun8i-a33-usb-phy
    • allwinner,sun8i-a83t-usb-phy
    • allwinner,sun8i-h3-usb-phy
    • allwinner,sun8i-r40-usb-phy
    • allwinner,sun8i-v3s-usb-phy
    • allwinner,sun50i-a64-usb-phy
  • reg : a list of offset + length pairs
  • reg-names :
    • “phy_ctrl”
    • “pmu0” for H3, V3s and A64
    • “pmu1”
    • “pmu2” for sun4i, sun6i, sun7i, sun8i-a83t or sun8i-h3
    • “pmu3” for sun8i-h3
  • #phy-cells : from the generic phy bindings, must be 1
  • clocks : phandle + clock specifier for the phy clocks
  • clock-names :
    • “usb_phy” for sun4i, sun5i or sun7i
    • “usb0_phy”, “usb1_phy” and “usb2_phy” for sun6i
    • “usb0_phy”, “usb1_phy” for sun8i
    • “usb0_phy”, “usb1_phy”, “usb2_phy” and “usb2_hsic_12M” for sun8i-a83t
    • “usb0_phy”, “usb1_phy”, “usb2_phy” and “usb3_phy” for sun8i-h3
  • resets : a list of phandle + reset specifier pairs
  • reset-names :
    • “usb0_reset”
    • “usb1_reset”
    • “usb2_reset” for sun4i, sun6i, sun7i, sun8i-a83t or sun8i-h3
    • “usb3_reset” for sun8i-h3

Optional properties:

  • usb0_id_det-gpios : gpio phandle for reading the otg id pin value
  • usb0_vbus_det-gpios : gpio phandle for detecting the presence of usb0 vbus
  • usb0_vbus_power-supply: power-supply phandle for usb0 vbus presence detect
  • usb0_vbus-supply : regulator phandle for controller usb0 vbus
  • usb1_vbus-supply : regulator phandle for controller usb1 vbus
  • usb2_vbus-supply : regulator phandle for controller usb2 vbus
  • usb3_vbus-supply : regulator phandle for controller usb3 vbus

Example:
usbphy: phy@01c13400 {
#phy-cells = <1>;
compatible = “allwinner,sun4i-a10-usb-phy”;
/* phy base regs, phy1 pmu reg, phy2 pmu reg /
reg = <0x01c13400 0x10 0x01c14800 0x4 0x01c1c800 0x4>;
reg-names = “phy_ctrl”, “pmu1”, “pmu2”;
clocks = <&usb_clk 8>;
clock-names = “usb_phy”;
resets = <&usb_clk 0>, <&usb_clk 1>, <&usb_clk 2>;
reset-names = “usb0_reset”, “usb1_reset”, “usb2_reset”;
pinctrl-names = “default”;
pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
usb0_id_det-gpios = <&pio 7 19 GPIO_ACTIVE_HIGH>; /
PH19 /
usb0_vbus_det-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>; /
PH22 */
usb0_vbus-supply = <&reg_usb0_vbus>;
usb1_vbus-supply = <&reg_usb1_vbus>;
usb2_vbus-supply = <&reg_usb2_vbus>;
};