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| author |   Thierry Reding <treding@nvidia.com> | 2013-08-30 12:32:18 +0200 |
|---|---|---|
| committer |   Thierry Reding <thierry.reding@gmail.com> | 2013-10-16 09:20:09 +0200 |
| commit | 8265b2e4e62632b01f998095d1bbda4d281629fe (patch) | |
| tree | 31f3f3d6714f58553feff2b670adf1bd5d393455 /Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt | |
| parent | unicore32: Initialize PWM backlight enable_gpio field (diff) | |
| download | linux-dev-8265b2e4e62632b01f998095d1bbda4d281629fe.tar.xz linux-dev-8265b2e4e62632b01f998095d1bbda4d281629fe.zip | |
pwm-backlight: Use new enable_gpio field
Make use of the new enable_gpio field and allow it to be set from DT as
well. Now that all legacy users of platform data have been converted to
initialize this field to an invalid value, it is safe to use the field
from the driver.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt b/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt index 1e4fc727f3b1..72810cc2dbc1 100644 --- a/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt +++ b/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt @@ -14,8 +14,11 @@ Required properties: Optional properties: - pwm-names: a list of names for the PWM devices specified in the "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]) [0]: Documentation/devicetree/bindings/pwm/pwm.txt +[1]: Documentation/devicetree/bindings/gpio/gpio.txt Example: @@ -25,4 +28,6 @@ Example: brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + + enable-gpios = <&gpio 58 0>; }; |