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ASoC: Add bindings for PCM1789

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Add a device-tree binding for Texas Instrument's PCM1789 codec.
For the moment, only I2C bus is supported but SPI could be added
in future.

Signed-off-by: Mylène Josserand <mylene.josserand@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Mylène Josserand 2018-03-15 17:18:25 +01:00 committed by Mark Brown
parent 4ae340d1be
commit e4fe156ae8
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Documentation/devicetree/bindings/sound/pcm1789.txt Normal file
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Texas Instruments pcm1789 DT bindings
PCM1789 is a simple audio codec that can be connected via
I2C or SPI. Currently, only I2C bus is supported.
Required properties:
- compatible: "ti,pcm1789"
Required properties on I2C:
- reg: the I2C address
- reset-gpios: GPIO to control the RESET pin
Examples:
audio-codec@4c {
compatible = "ti,pcm1789";
reg = <0x4c>;
reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
#sound-dai-cells = <0>;
};