Merge remote-tracking branch 'pwm/for-next'

[karo-tx-linux.git] / Documentation / devicetree / bindings / video / backlight / pwm-backlight.txt

diff --git a/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt b/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt
index 72810cc2dbc19eb77e02777532f18a9de9f2bc94..764db86d441ad131aceca0e15146d5c914d97919 100644 (file)
--- a/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt
+++ b/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt
@@ -10,6 +10,7 @@ Required properties:
       last value in the array represents a 100% duty cycle (brightest).
   - default-brightness-level: the default brightness level (index into the
       array defined by the "brightness-levels" property)
+  - power-supply: regulator for supply voltage
 
 Optional properties:
   - pwm-names: a list of names for the PWM devices specified in the
@@ -29,5 +30,6 @@ Example:
                brightness-levels = <0 4 8 16 32 64 128 255>;
                default-brightness-level = <6>;
 
+               power-supply = <&vdd_bl_reg>;
                enable-gpios = <&gpio 58 0>;
        };