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SubjectRe: [PATCH v2 2/2] ASoC: Add bindings for PCM1789
On Mon, Mar 05, 2018 at 01:48:17PM +0100, Mylène Josserand wrote:
> 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>
> ---
> Documentation/devicetree/bindings/sound/pcm1789.txt | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/pcm1789.txt
>
> diff --git a/Documentation/devicetree/bindings/sound/pcm1789.txt b/Documentation/devicetree/bindings/sound/pcm1789.txt
> new file mode 100644
> index 000000000000..a6cdc2c83c98
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/pcm1789.txt
> @@ -0,0 +1,21 @@
> +Texas Instruments pcm1789 DT bindings

What function does this device provide?

> +
> +This driver supports the I2C bus.

Bindings describe h/w, not drivers.

> +
> +Required properties:
> +
> + - compatible: "ti,pcm1789"
> +
> +Required properties on I2C:
> +
> + - reg: the I2C address
> + - reset-gpios: GPIO to control the RESET pin
> +
> +Examples:
> +
> + codec: pcm1789@4c {

audio-codec@4c

If that's the function...

> + compatible = "ti,pcm1789";
> + reg = <0x4c>;
> + reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
> + #sound-dai-cells = <0>;
> + };
> --
> 2.11.0
>

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