[PATCH v2 3/9] ASoC: audio-graph-card: Add clocks property to endpoint node

[Sameer Pujar]

On 2/5/2021 8:56 PM, Rob Herring wrote:
> External email: Use caution opening links or attachments
>
>
> On Fri, Jan 29, 2021 at 11:57:40PM +0530, Sameer Pujar wrote:
>> Add optional 'clocks' property to audio port 'endpoint' node. One
>> such example is where SoC supplies a clock to external audio codec
>> component.
>>
>> Signed-off-by: Sameer Pujar <spujar at nvidia.com>
>> Cc: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
>> Reviewed-by: Jon Hunter <jonathanh at nvidia.com>
>> ---
>>   Documentation/devicetree/bindings/sound/audio-graph-port.yaml | 3 +++
>>   1 file changed, 3 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
>> index 766e910..08ed8f5 100644
>> --- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
>> +++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
>> @@ -33,6 +33,9 @@ properties:
>>           properties:
>>             remote-endpoint:
>>               maxItems: 1
>> +          clocks:
>> +            maxItems: 1
>> +            description: Describes the clock used by audio component.
> NAK
>
> An endpoint is not a device. Clocks go with a device.

I made this change on similar lines with [0]. I am not sure if there are 
other examples of such usage.
If this is not recommended, I will try moving this to device node. Looks 
like it needs a driver fix in simple-card-utils.c


[0] 
https://elixir.bootlin.com/linux/v5.11-rc7/source/Documentation/devicetree/bindings/sound/simple-card.yaml#L