linux-kernel - Re: [PATCH v2 01/16] dt-bindings: clock: qcom,sm8450-videocc: reference qcom,gcc.yaml

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Date: Wed, 5 Jun 2024 17:43:36 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Stephen Boyd <sboyd@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Del Regno <angelogioacchino.delregno@...ainline.org>,
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
 Jonathan Marek <jonathan@...ek.ca>, Konrad Dybcio
 <konrad.dybcio@...aro.org>, Konrad Dybcio <konrad.dybcio@...ainline.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Loic Poulain <loic.poulain@...aro.org>,
 Michael Turquette <mturquette@...libre.com>,
 Neil Armstrong <neil.armstrong@...aro.org>, Rob Herring <robh@...nel.org>,
 Taniya Das <quic_tdas@...cinc.com>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 01/16] dt-bindings: clock: qcom,sm8450-videocc:
 reference qcom,gcc.yaml

On 05/06/2024 17:07, Stephen Boyd wrote:
> Quoting Krzysztof Kozlowski (2024-06-05 01:09:28)
>> diff --git a/Documentation/devicetree/bindings/clock/qcom,sm8450-videocc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm8450-videocc.yaml
>> index bad8f019a8d3..74034e3f79b7 100644
>> --- a/Documentation/devicetree/bindings/clock/qcom,sm8450-videocc.yaml
>> +++ b/Documentation/devicetree/bindings/clock/qcom,sm8450-videocc.yaml
>> @@ -39,26 +36,17 @@ properties:
>>      description:
>>        A phandle to an OPP node describing required MMCX performance point.
>>  
>> -  '#clock-cells':
>> -    const: 1
>> -
>> -  '#reset-cells':
>> -    const: 1
>> -
>> -  '#power-domain-cells':
>> -    const: 1
>> -
>>  required:
>>    - compatible
>> -  - reg
>>    - clocks
>>    - power-domains
>>    - required-opps
>> -  - '#clock-cells'
>> -  - '#reset-cells'
>>    - '#power-domain-cells'
> 
> Missed removing this one?

No, as explained in cover letter this aligns code with Dmitry's
approach. power-domain-cells must stay.

> 
>>  
>> -additionalProperties: false
>> +allOf:
>> +  - $ref: qcom,gcc.yaml#
> 
> Why not have a one-cell-clock-reset-power-domain.yaml binding that
> combines all these things? It's quite common even outside of qcom.

We also have required-opps and power-domains... I am afraid that after
such simplification someone will come with some differences and not much
of code will be saved.

Best regards,
Krzysztof