linux-kernel - Re: [PATCH v3 1/2] dt-bindings: clock: qcom: Add AHB clock for SM8150

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Date: Thu, 2 May 2024 15:35:25 +0530
From: "Satya Priya Kakitapalli (Temp)" <quic_skakitap@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        "Stephen
 Boyd" <sboyd@...nel.org>,
        Ajit Pandey <quic_ajipan@...cinc.com>,
        Imran Shaik
	<quic_imrashai@...cinc.com>,
        Taniya Das <quic_tdas@...cinc.com>,
        "Jagadeesh
 Kona" <quic_jkona@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>
Subject: Re: [PATCH v3 1/2] dt-bindings: clock: qcom: Add AHB clock for SM8150


On 5/1/2024 5:36 PM, Dmitry Baryshkov wrote:
> On Wed, 1 May 2024 at 11:32, Satya Priya Kakitapalli
> <quic_skakitap@...cinc.com> wrote:
>> SM8150 videocc needs AHB clock, so update the bindings for sm8150
>> to add the AHB clock.
>>
>> Fixes: 35d26e9292e2 ("dt-bindings: clock: Add YAML schemas for the QCOM VIDEOCC clock bindings")
> The tag is incorrect. The mentioned commit didn't add sm8150 bindings,
> so it didn't have a bug.


Thanks, will correct the tag.


>> Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>
>> ---
>>   .../devicetree/bindings/clock/qcom,videocc.yaml         | 17 ++++++++++++++++-
>>   1 file changed, 16 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/clock/qcom,videocc.yaml b/Documentation/devicetree/bindings/clock/qcom,videocc.yaml
>> index 6999e36ace1b..68bac801adb0 100644
>> --- a/Documentation/devicetree/bindings/clock/qcom,videocc.yaml
>> +++ b/Documentation/devicetree/bindings/clock/qcom,videocc.yaml
>> @@ -75,7 +75,6 @@ allOf:
>>             enum:
>>               - qcom,sc7180-videocc
>>               - qcom,sdm845-videocc
>> -            - qcom,sm8150-videocc
>>       then:
>>         properties:
>>           clocks:
>> @@ -101,6 +100,22 @@ allOf:
>>               - const: bi_tcxo
>>               - const: bi_tcxo_ao
>>
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          enum:
>> +            - qcom,sm8150-videocc
> Could you please extend the sm8250 case instead of defining a new one?
> Also could you please check if there is a clock (like ahb_clk_src)
> that uses bi_tcxo_ao instead of bi_tcxo? If so, we have to add this
> clock to the bindings even if the driver doesn't use/model it at this
> point.


There are no clocks using the bi_tcxo_ao on sm8150. Hence added separate 
case for sm8150 instead of re-using sm8250.


>> +    then:
>> +      properties:
>> +        clocks:
>> +          items:
>> +            - description: AHB
>> +            - description: Board XO source
>> +        clock-names:
>> +          items:
>> +            - const: iface
>> +            - const: bi_tcxo
>> +
>>     - if:
>>         properties:
>>           compatible:
>>
>> --
>> 2.25.1
>>
>