linux-kernel - Re: [PATCH 1/2] ASoC: codecs: Add PCM186x binding documentation

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Date:   Wed, 15 Nov 2017 13:56:04 -0600
From:   Rob Herring <robh@...nel.org>
To:     "Andrew F. Davis" <afd@...com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ASoC: codecs: Add PCM186x binding documentation

On Fri, Nov 10, 2017 at 01:57:10PM -0600, Andrew F. Davis wrote:
> Add the dt-binding documentation for the TI PCM186x 2ch and 4ch Audio
> ADCs With Universal Front End.
> 
> Signed-off-by: Andrew F. Davis <afd@...com>
> ---
>  .../devicetree/bindings/sound/pcm186x.txt          | 42 ++++++++++++++++++++++
>  1 file changed, 42 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/pcm186x.txt
> 
> diff --git a/Documentation/devicetree/bindings/sound/pcm186x.txt b/Documentation/devicetree/bindings/sound/pcm186x.txt
> new file mode 100644
> index 000000000000..0bc7d265c7bd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/pcm186x.txt
> @@ -0,0 +1,42 @@
> +Texas Instruments PCM186x Universal Audio ADC
> +
> +These devices support both I2C and SPI (configured with pin strapping
> +on the board).
> +
> +Required properties:
> +
> + - compatible : "ti,pcm1862",
> +                "ti,pcm1863",
> +                "ti,pcm1864",
> +                "ti,pcm1865"
> +
> + - reg : The I2C address of the device for I2C, the chip select
> +         number for SPI.
> +
> + - avdd-supply: Analog core power supply (3.3v)
> + - dvdd-supply: Digital core power supply
> + - iovdd-supply: Digital IO power supply
> +        See regulator/regulator.txt for more information
> +
> +CODEC input pins:
> + * VINL1
> + * VINR1
> + * VINL2
> + * VINR2
> + * VINL3
> + * VINR3
> + * VINL4
> + * VINR4
> +
> +The pins can be used in referring sound node's audio-routing property.
> +
> +Example:
> +
> +	pcm186x: pcm186x@4a {

audio-codec@4a

With that,

Acked-by: Rob Herring <robh@...nel.org>

> +		compatible = "ti,pcm1865";
> +		reg = <0x4a>;
> +
> +		avdd-supply = <&reg_3v3_analog>;
> +		dvdd-supply = <&reg_3v3>;
> +		iovdd-supply = <&reg_1v8>;
> +	};
> -- 
> 2.15.0
>