Kernel-4.18.0-80.el8_max8903-charger

Maxim Semiconductor MAX8903 Battery Charger bindings

Required properties:

  • compatible: “maxim,max8903” for MAX8903 Battery Charger
  • dok-gpios: Valid DC power has been detected (active low, input), optional if uok-gpios is provided
  • uok-gpios: Valid USB power has been detected (active low, input), optional if dok-gpios is provided

Optional properties:

  • cen-gpios: Charge enable pin (active low, output)
  • chg-gpios: Charger status pin (active low, input)
  • flt-gpios: Fault pin (active low, output)
  • dcm-gpios: Current limit mode setting (DC=1 or USB=0, output)
  • usus-gpios: USB suspend pin (active high, output)

Example:

max8903-charger {
    compatible = "maxim,max8903";
    dok-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
    flt-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
    chg-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>;
    cen-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
};