backlight: pwm_bl: add configurable delay between re-enabling PWM and switching backl...

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

diff --git a/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt b/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt
index 764db86d441ad131aceca0e15146d5c914d97919..95594c341a571e68ec4dbe5885be8ad81342af64 100644 (file)
--- a/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt
+++ b/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt
@@ -17,6 +17,10 @@ Optional properties:
                "pwms" property (see PWM binding[0])
   - enable-gpios: contains a single GPIO specifier for the GPIO which enables
                   and disables the backlight (see GPIO binding[1])
+  - turn-on-delay-ms: delay in milliseconds between configuring the PWM
+                 and switching PWM on. This may be required to eliminate
+                 flicker when switching the PWM on after it has been
+                 disabled.
 
 [0]: Documentation/devicetree/bindings/pwm/pwm.txt
 [1]: Documentation/devicetree/bindings/gpio/gpio.txt