Subject: Re: [PATCH v2 4/4] ASoC: add imx-audmix DT binding documentation

From: Rob Herring <[email-masked]>
Date: Tue, 15 Jan 2019 14:57:55 -0600

On Tue, Jan 08, 2019 at 01:05:51PM +0000, Viorel Suman wrote:
> Add the DT binding documentation for Audio Mixer
> machine driver.
> 
> Signed-off-by: Viorel Suman <[email-masked]>
> ---
>  .../devicetree/bindings/sound/imx-audmix.txt       | 24 ++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/imx-audmix.txt
> 
> diff --git a/Documentation/devicetree/bindings/sound/imx-audmix.txt b/Documentation/devicetree/bindings/sound/imx-audmix.txt
> new file mode 100644
> index 0000000..6ac1230
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/imx-audmix.txt
> @@ -0,0 +1,24 @@
> +NXP Audio Mixer (AUDMIX) machine driver.
> +
> +Required properties:
> +===================================
> +  - compatible		: Compatible list, contains "fsl,imx-audmix"
> +
> +  - model		: Short audio card description.
> +
> +  - dais		: Must contain a list of phandles to AUDMIX connected
> +			  DAIs. The current implementation requires two phandles
> +			  to SAI interfaces to be provided, the first SAI in the
> +			  list being used to route the AUDMIX output.
> +
> +  - audmix-controller	: Must contain the phandle to the AUDMIX device node.

I don't think you need 2 nodes for this as this one is just a virtual 
device. Just add the dais property to the audmix node.

Rob