linux-kernel - Re: [PATCH v5 1/6] ASoC: dt-bindings: tegra: Add graph bindings

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Date:   Thu, 12 Nov 2020 08:38:55 -0600
From:   Rob Herring <robh@...nel.org>
To:     Sameer Pujar <spujar@...dia.com>
Cc:     broonie@...nel.org, thierry.reding@...il.com, jonathanh@...dia.com,
        kuninori.morimoto.gx@...esas.com, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, sharadg@...dia.com
Subject: Re: [PATCH v5 1/6] ASoC: dt-bindings: tegra: Add graph bindings

On Thu, Nov 12, 2020 at 12:04:31AM +0530, Sameer Pujar wrote:
> Add device tree binding properties of generic graph to ASoC component
> devices. This allows to define audio ports out of these components or
> DAIs and audio graph based sound card can be realised with this.

This is all dependent on graph.yaml being applied which hasn't happened 
yet. I guess I'll need to provide a branch as there's multiple 
subsystems needing it.

> 
> Signed-off-by: Sameer Pujar <spujar@...dia.com>
> ---
>  .../devicetree/bindings/sound/nvidia,tegra186-dspk.yaml     |  6 ++++++
>  .../devicetree/bindings/sound/nvidia,tegra210-admaif.yaml   |  6 ++++++
>  .../devicetree/bindings/sound/nvidia,tegra210-ahub.yaml     | 13 +++++++++++--
>  .../devicetree/bindings/sound/nvidia,tegra210-dmic.yaml     |  6 ++++++
>  .../devicetree/bindings/sound/nvidia,tegra210-i2s.yaml      |  6 ++++++
>  5 files changed, 35 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
> index ed2fb32..3c9364d 100644
> --- a/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
> +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
> @@ -55,6 +55,12 @@ properties:
>        The name can be "DSPK1" or "DSPKx", where x depends on the maximum
>        available instances on a Tegra SoC.
>  
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports

If you have 'ports', then that means you have multiple ports and you 
have to enumerate what each port is.

> +
> +  port:
> +    $ref: /schemas/sound/audio-graph.yaml#/properties/port

If you only have 1 port then, you can use 'port'.


So listing both is an error.

> +
>  required:
>    - compatible
>    - reg
> diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml
> index c028b25..162823d 100644
> --- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml
> +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml
> @@ -37,6 +37,12 @@ properties:
>  
>    dma-names: true
>  
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +  port:
> +    $ref: /schemas/sound/audio-graph.yaml#/properties/port
> +
>  if:
>    properties:
>      compatible:
> diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml
> index d772197..59cd1f1 100644
> --- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml
> +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml
> @@ -56,6 +56,16 @@ properties:
>  
>    ranges: true
>  
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +  port:
> +    $ref: /schemas/sound/audio-graph.yaml#/properties/port
> +
> +patternProperties:
> +  "@[0-9a-f]+$":
> +    type: object
> +
>  required:
>    - compatible
>    - reg
> @@ -67,8 +77,7 @@ required:
>    - "#size-cells"
>    - ranges
>  
> -additionalProperties:
> -  type: object
> +additionalProperties: false
>  
>  examples:
>    - |
> diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
> index 2a3207b..b16bf5e 100644
> --- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
> +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
> @@ -56,6 +56,12 @@ properties:
>        The name can be "DMIC1" or "DMIC2" ... "DMICx", where x depends
>        on the maximum available instances on a Tegra SoC.
>  
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +  port:
> +    $ref: /schemas/sound/audio-graph.yaml#/properties/port
> +
>  required:
>    - compatible
>    - reg
> diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml
> index dfc1bf7..598f763 100644
> --- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml
> +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml
> @@ -74,6 +74,12 @@ properties:
>        The name can be "I2S1" or "I2S2" ... "I2Sx", where x depends
>        on the maximum available instances on a Tegra SoC.
>  
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +  port:
> +    $ref: /schemas/sound/audio-graph.yaml#/properties/port
> +
>  required:
>    - compatible
>    - reg
> -- 
> 2.7.4
>