linux-kernel - Re: [PATCH 03/10] arm64: dts: qcom: Add a device tree for PMK8350 on SID6

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Date:   Thu, 10 Nov 2022 13:07:54 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org, krzysztof.kozlowski@...aro.org,
        patches@...aro.org, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/10] arm64: dts: qcom: Add a device tree for PMK8350 on
 SID6



On 10/11/2022 10:12, Dmitry Baryshkov wrote:
> On Wed, 9 Nov 2022 at 14:12, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>>
>> PMK8350 is shipped on SID6 with some SoCs, for example with SM6375.
>> Add a DT with the SID changed to allow it to work.
>>
>> Unfortunately, the entire DT needs to be copied even if the diff is
>> very little, as the node names are not unique. Including pm6125 and
>> pmk8350 together for example, would make pmk8350 overwrite the pm6125
>> node, as both are defined as 'pmic@0'.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>> ---
>>   arch/arm64/boot/dts/qcom/pmk8350_sid6.dtsi | 73 ++++++++++++++++++++++
>>   1 file changed, 73 insertions(+)
>>   create mode 100644 arch/arm64/boot/dts/qcom/pmk8350_sid6.dtsi
> 
> Just to throw my 2c. If I was doing this myself, I'd allow pmk8350 to
> receive external SID using the cpp #define (And to default to 0 if one
> didn't use it).
Hmm.. that's probably the least duplicative approach, but I'm not sure I
want to see #ifdefs in DTs..

Konrad
> 
> 
> 
>