linux-kernel - Re: [PATCH v5 0/3] Add support for clock controllers and CPU scaling for QCS615

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Message-ID: <8351e7ad-6f28-4500-a0e8-8b1c3f66672d@quicinc.com>
Date: Thu, 3 Jul 2025 14:24:44 +0530
From: Taniya Das <quic_tdas@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
CC: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        "Rafael J. Wysocki"
	<rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        "Manivannan
 Sadhasivam" <mani@...nel.org>,
        Ajit Pandey <quic_ajipan@...cinc.com>,
        "Imran
 Shaik" <quic_imrashai@...cinc.com>,
        Jagadeesh Kona <quic_jkona@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        Konrad Dybcio
	<konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH v5 0/3] Add support for clock controllers and CPU scaling
 for QCS615



On 7/3/2025 2:06 PM, Krzysztof Kozlowski wrote:
> On 03/07/2025 10:28, Taniya Das wrote:
>>
>>
>> On 7/3/2025 12:51 PM, Krzysztof Kozlowski wrote:
>>> On Wed, Jul 02, 2025 at 02:43:08PM +0530, Taniya Das wrote:
>>>> Add the video, camera, display and gpu clock controller nodes and the
>>>> cpufreq-hw node to support cpu scaling.
>>>>
>>>> Clock Dependency:
>>>> https://lore.kernel.org/all/20250702-qcs615-mm-v10-clock-controllers-v11-0-9c216e1615ab@quicinc.com
>>>>
>>>> Changes in v5:
>>>> - Update the documentation for CPUFREQ-HW for QCS615.
>>>
>>> What did you update? This has to be specific, not vague.
>>
>> Sorry, this is the update: "compatible for cpufreq hardware on Qualcomm
>> QCS615 platform."
>>
> Do you mean you added a new patch?
> 

Yes, Krzysztof, I’ve added a new patch. Initially, I was reusing the
compatible string of the SC7180 SoC for QCS615, since both SoCs share
the same hardware design. However, Dmitry and Konrad raised a valid
point — if we ever need to handle quirks specific to a particular SoC,
using distinct compatible entries would make that easier. Based on that,
I’ve updated the patch accordingly.

-- Taniya.