Re: [PATCH 02/10] ASoC: dt-bindings: qcom,apr: Split services to shared schema

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On 11/11/2022 17:35, Srinivas Kandagatla wrote:
> 
> 
> On 11/11/2022 11:35, Krzysztof Kozlowski wrote:
>> The APR/GPR nodes are organized like:
>>
>>    apr-or-gpr-device-node <- qcom,apr.yaml
>>      apr-gpr-service@[0-9] <- qcom,apr.yaml
>>        service-specific-components <- /schemas/sound/qcom,q6*.yaml
>>
>> The schema for services (apr-gpr-service@[0-9]) already grows
> 
> I have not seen these grow or change alteast in the past 9 years.

You added GPR to services in 2021, so it grew past 9 years. Then it grew
in 2022 when I started adding missing pieces - missing compatibles and
properties.

> 
> Old APR (Elite f/w) and new GPR (AudioReach) interface provides access 
> to static services on the DSP.
> 
>> considerably and is still quite not specific.  It allows several
>> incorrect combinations, like adding a clock-controller to a APM device.
> 
> This should be fixed for sure for validation.

This cannot be fixed without making schema over-complicated. It includes
six different compatibles. Except few of them - these compatibles
represent different devices.

> 
> We had dedicated bindings per service before.

Where?

> 
> As the service has changed as part of new AudioReach Firmware, we could 
> have added new bindings for these services again. But as we are dealing 
> with the same audio hardware and clock resources a new bindings per 
> service did not make sense. Since then we moved all the lpass audio 
> ports and clocks related bindings to qcom,q6dsp-lpass-clocks.yaml and 
> qcom,q6dsp-lpass-ports.yaml.

These are not bindings for services but bindings for their devices.

Best regards,
Krzysztof




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