Kernel-4.18.0-80.el8_gpio-charger

gpio-charger

Required properties :

• compatible : “gpio-charger”
• gpios : GPIO indicating the charger presence.
  See GPIO binding in bindings/gpio/gpio.txt .
• charger-type : power supply type, one of
  unknown
  battery
  ups
  mains
  usb-sdp (USB standard downstream port)
  usb-dcp (USB dedicated charging port)
  usb-cdp (USB charging downstream port)
  usb-aca (USB accessory charger adapter)

Example:

usb_charger: charger {
    compatible = "gpio-charger";
    charger-type = "usb-sdp";
    gpios = <&gpf0 2 0 0 0>;
}

battery {
    power-supplies = <&usb_charger>;
};