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authorThierry Reding <treding@nvidia.com>2013-08-30 12:32:18 +0200
committerThierry Reding <thierry.reding@gmail.com>2013-10-16 09:20:09 +0200
commit8265b2e4e62632b01f998095d1bbda4d281629fe (patch)
tree31f3f3d6714f58553feff2b670adf1bd5d393455 /Documentation/devicetree
parent611c86c6de7a58c59b231804ffa19d1b70f6fd90 (diff)
downloadlinux-stericsson-8265b2e4e62632b01f998095d1bbda4d281629fe.tar.gz
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')
-rw-r--r--Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt5
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>;
};