Kernel-4.18.0-80.el8_sky81452-backlight

SKY81452-backlight bindings

Required properties:

• compatible : Must be “skyworks,sky81452-backlight”

Optional properties:

• name : Name of backlight device. Default is ‘lcd-backlight’.
• gpios : GPIO to use to EN pin.

        See Documentation/devicetree/bindings/gpio/gpio.txt
  

• led-sources : List of enabled channels from 0 to 5.

        See Documentation/devicetree/bindings/leds/common.txt
  

• skyworks,ignore-pwm : Ignore both PWM input
• skyworks,dpwm-mode : Enable DPWM dimming mode, otherwise Analog dimming.
• skyworks,phase-shift : Enable phase shift mode
• skyworks,short-detection-threshold-volt

        : It should be one of 4, 5, 6 and 7V.
  

• skyworks,current-limit-mA

        : It should be 2300mA or 2750mA.
  

Example:

backlight {
    compatible = "skyworks,sky81452-backlight";
    name = "pwm-backlight";
    led-sources = <0 1 2 5>;
    skyworks,ignore-pwm;
    skyworks,phase-shift;
    skyworks,current-limit-mA = <2300>;
};