linux-kernel - Re: [PATCH v3 2/2] arm64: dts: qcom: qcs615: Add CPU scaling clock node

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Message-ID: <89536376-6619-49a5-a267-b5a6b98940d8@oss.qualcomm.com>
Date: Tue, 17 Jun 2025 12:27:37 +0530
From: Taniya Das <taniya.das@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Taniya Das <quic_tdas@...cinc.com>
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>,
        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
Subject: Re: [PATCH v3 2/2] arm64: dts: qcom: qcs615: Add CPU scaling clock
 node



On 6/13/2025 6:40 PM, Dmitry Baryshkov wrote:
> On Thu, Jun 12, 2025 at 03:47:21PM +0530, Taniya Das wrote:
>> Add cpufreq-hw node to support CPU frequency scaling.
>>
>> Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
>> ---
>>  arch/arm64/boot/dts/qcom/qcs615.dtsi | 29 +++++++++++++++++++++++++++++
>>  1 file changed, 29 insertions(+)
>>
>> +
>> +		cpufreq_hw: cpufreq@...23000 {
>> +			compatible = "qcom,sc7180-cpufreq-hw", qcom,cpufreq-hw";
> 
> This wasn't build-tested (or was edited after being compile-tested).

This is already tested on the QCS615.
> 
>> +			reg = <0 0x18323000 0 0x1400>, <0 0x18325800 0 0x1400>;
>> +			reg-names = "freq-domain0", "freq-domain1";
>> +
>> +			clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>;
>> +			clock-names = "xo", "alternate";
>> +
>> +			#freq-domain-cells = <1>;
>> +			#clock-cells = <1>;
>> +		};
>> +
>>  	};
>>  
>>  	arch_timer: timer {
>>
>> -- 
>> 2.34.1
>>
>