linux-kernel - Re: [PATCH] soc: qcom: pd_mapper: Add SM7225 compatible

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Message-ID: <fb4ddc73-545c-48b6-aefd-fdc83005ec07@oss.qualcomm.com>
Date: Fri, 20 Dec 2024 14:20:04 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Luca Weiss <luca.weiss@...rphone.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] soc: qcom: pd_mapper: Add SM7225 compatible

On 20.12.2024 11:15 AM, Luca Weiss wrote:
> On Fri Dec 20, 2024 at 10:39 AM CET, Konrad Dybcio wrote:
>> On 20.12.2024 9:39 AM, Luca Weiss wrote:
>>> The Qualcomm SM7225 is practically identical to SM6350, so add an entry
>>> using that data.
>>>
>>> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
>>> ---
>>
>> I think we should instead add the fallback compatible, like
>>
>> - enum:
>>       - asdf,asdf
>> - const: qcom,sm7225
>> - const: qcom,sm6350
>>
>> as we've done for speedbin/rename variants of SoCs lately, with separate
>> entries being added for "actually different" sillicon.
> 
> We also have currently for example sm7325=sc7280=qcm6490, would that
> fall into this category as well for you, or are they more different?
> 
> But do you think it's worth trying to also change existing platforms
> like that? We also have basically the same list in
> drivers/cpufreq/cpufreq-dt-platdev.c where we have both sm6350 and
> sm7225 right now.

Hm, with existing boards, I guess that's a question for dt-bindings folks

Konrad