[alsa-devel] [PATCH 2/2] ASoC: tas5756m: Add DT binding document

[Rob Herring]

On Sat, Jan 18, 2020 at 10:23:15AM +0100, Charles-Antoine Couret wrote:
> Document the bindings for the tas5756m driver.
> ---
>  .../devicetree/bindings/sound/tas5756m.txt    | 25 +++++++++++++++++++
>  1 file changed, 25 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/tas5756m.txt

Can you make this a DT schema.

> 
> diff --git a/Documentation/devicetree/bindings/sound/tas5756m.txt b/Documentation/devicetree/bindings/sound/tas5756m.txt
> new file mode 100644
> index 000000000000..293eaf20d008
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/tas5756m.txt
> @@ -0,0 +1,25 @@
> +TAS5756M audio CODEC
> +
> +Required properties:
> +
> +  - compatible: should be one of the following:
> +    - "ti,tas5756m"
> +    - "ti,tas5754m"
> +  - reg: the I2C address of the device for I2C.
> +
> +Optional properties:
> +
> +  - mute-gpio : GPIO wired to the mute pin.

mute-gpios is the preferred form.

> +  - hybridflow : an integer between 1 and 9 to select the HybridFlow program.
> +      if not supplied default DSP program is used.

Needs a vendor prefix.

Is this something fixed for the life of a board or something users would 
want to change at runtime?

> +
> +Example:
> +
> +	tas5756m: tas5756m at 4c {
> +		compatible = "ti,tas5756m";
> +		reg = <0x4c>;
> +		#sound-dai-cells = <0>;

Not documented.

> +
> +		hybridflow = <6>;
> +		mute-gpio = <&gpio1 11 GPIO_ACTIVE_LOW>;
> +	};
> -- 
> 2.24.1
>