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linux-next/Documentation/devicetree/bindings/leds/backlight/gpio-backlight.txt
Rob Herring 7755313e69 dt-bindings: move backlight bindings under leds
Backlights are generally a subtype of LEDs at least from a software
point of view if not always electrically. Move the bindings from the
video directory to underneath the leds dir.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
2015-10-22 09:21:22 -05:00

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gpio-backlight bindings
Required properties:
- compatible: "gpio-backlight"
- gpios: describes the gpio that is used for enabling/disabling the backlight.
refer to bindings/gpio/gpio.txt for more details.
Optional properties:
- default-on: enable the backlight at boot.
Example:
backlight {
compatible = "gpio-backlight";
gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>;
default-on;
};