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Subject: Re: [PATCH v5 1/6] ASoC: dt-bindings: tegra: Add graph bindings
To:     Rob Herring <robh@kernel.org>
CC:     <broonie@kernel.org>, <thierry.reding@gmail.com>,
        <jonathanh@nvidia.com>, <kuninori.morimoto.gx@renesas.com>,
        <alsa-devel@alsa-project.org>, <devicetree@vger.kernel.org>,
        <linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <sharadg@nvidia.com>
References: <1605119676-32273-1-git-send-email-spujar@nvidia.com>
 <1605119676-32273-2-git-send-email-spujar@nvidia.com>
 <20201112143855.GA3553055@bogus>
From:   Sameer Pujar <spujar@nvidia.com>
Message-ID: <bfac9d56-7cb5-6c75-6f1b-48f8ab43fa1c@nvidia.com>
Date:   Thu, 19 Nov 2020 14:40:17 +0530
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Hi Rob,

>> 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@nvidia.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.

Since "ASoC: graph card schema rework" series is merged now, referencing 
"audio-graph-port.yaml" should be sufficient here?

...