linux-kernel - Re: [PATCH 1/2] ASoC: dt-bindings: lpass-va: add npl clock for new VA macro

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Date:   Fri, 18 Nov 2022 06:56:56 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        broonie@...nel.org
Cc:     alsa-devel@...a-project.org, lgirdwood@...il.com, perex@...ex.cz,
        tiwai@...e.com, linux-kernel@...r.kernel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] ASoC: dt-bindings: lpass-va: add npl clock for new VA
 macro

Thanks Krzystof,

On 15/11/2022 14:21, Krzysztof Kozlowski wrote:
> On 15/11/2022 11:55, Srinivas Kandagatla wrote:
>> LPASS VA Macro now has soundwire master to deal with access to
>> analog mic in low power island use cases. This also means that VA macro
>> now needs to get hold of the npl clock too. Add clock bindings required
>> for this.
>>
>> As part of adding this bindings, also update bindings to be able to
>> specific and associate the clock names specific to the SoC.
>>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
>> ---
>>   .../bindings/sound/qcom,lpass-va-macro.yaml   | 72 ++++++++++++++++---
>>   1 file changed, 64 insertions(+), 8 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-va-macro.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-va-macro.yaml
>> index c36caf90b837..848e34111df1 100644
>> --- a/Documentation/devicetree/bindings/sound/qcom,lpass-va-macro.yaml
>> +++ b/Documentation/devicetree/bindings/sound/qcom,lpass-va-macro.yaml
>> @@ -27,16 +27,13 @@ properties:
>>       const: 0
>>   
>>     clocks:
>> -    maxItems: 3
>> +    minItems: 1
>> +    maxItems: 4
>> +
>>   
>>     clock-names:
>> -    oneOf:
>> -      - items:   #for ADSP based platforms
>> -          - const: mclk
>> -          - const: core
>> -          - const: dcodec
>> -      - items:   #for ADSP bypass based platforms
>> -          - const: mclk
>> +    minItems: 1
>> +    maxItems: 4
>>   
>>     clock-output-names:
>>       maxItems: 1
>> @@ -61,6 +58,65 @@ required:
>>     - reg
>>     - "#sound-dai-cells"
>>   
>> +allOf:
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: qcom,sc7280-lpass-va-macro
>> +    then:
>> +      properties:
>> +        clocks:
>> +          minItems: 1
> 
> You can skip minItems here.

I have addressed all the comments including this, will send a v2 with 
these changes.

--srini
> 
>> +          maxItems: 1
>> +        clock-names:
>> +          items:
>> +            - const: mclk
>> +      required:
>> +        - clock-names
>> +        - clocks
> 
> IIUC, all variants require now clocks, so these two lines should be part
> of top level "required:".
> 
>> +
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: qcom,sm8250-lpass-va-macro
>> +    then:
>> +      properties:
>> +        clocks:
>> +          minItems: 3
>> +          maxItems: 3
>> +        clock-names:
>> +          items:
>> +            - const: mclk
>> +            - const: core
>> +            - const: dcodec
>> +      required:
>> +        - clock-names
>> +        - clocks
>> +
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            enum:
>> +              - qcom,sc8280xp-lpass-va-macro
>> +              - qcom,sm8450-lpass-va-macro
>> +    then:
>> +      properties:
>> +        clocks:
>> +          minItems: 4
>> +          maxItems: 4
>> +        clock-names:
>> +          items:
>> +            - const: mclk
>> +            - const: npl
> 
> How about making it the last clock so the order matches with sm8250?
> 
> 
> Best regards,
> Krzysztof
>