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ASoC: Add DT bindings documentation for max9759 amplifier 

This patch adds DT bindings documentation for Maxim MAX9759
speaker amplifier.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Neil Armstrong 2018-02-19 14:45:57 +01:00 committed by Mark Brown
parent 7928b2cbe5
commit 01182d6529
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Documentation/devicetree/bindings/sound/maxim,max9759.txt Normal file
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Maxim MAX9759 Speaker Amplifier
===============================
Required properties:
- compatible : "maxim,max9759"
- shutdown-gpios : the gpio connected to the shutdown pin
- mute-gpios : the gpio connected to the mute pin
- gain-gpios : the 2 gpios connected to the g1 and g2 pins
Example:
max9759: analog-amplifier {
compatible = "maxim,max9759";
shutdown-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
mute-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
gain-gpios = <&gpio3 23 GPIO_ACTIVE_LOW>,
<&gpio3 25 GPIO_ACTIVE_LOW>;
};