linux-kernel - Re: [PATCH v4 1/4] arm64: dts: qcom: ipq6018: add 1.2GHz CPU Frequency

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Message-ID: <cb90fd75-60de-4df7-bef1-e5c832601a75@oss.qualcomm.com>
Date: Mon, 30 Dec 2024 15:15:33 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Chukun Pan <amadeus@....edu.cn>, konrad.dybcio@....qualcomm.com
Cc: andersson@...nel.org, conor+dt@...nel.org, devicetree@...r.kernel.org,
        konradybcio@...nel.org, krzk+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        quic_srichara@...cinc.com
Subject: Re: [PATCH v4 1/4] arm64: dts: qcom: ipq6018: add 1.2GHz CPU
 Frequency

On 24.12.2024 8:00 AM, Chukun Pan wrote:
> Hi,
>> I think Kathiravan only wanted to make sure you have the latest bootloader.
>>
>> Looking at the documentation, I don't see a 1.2 GHz frequency level for
>> this platform.
> 
> But from the merchant's publicity, ipq6000 is 1.2GHz:
> 
> https://wikidevi.wi-cat.ru/Qualcomm/IPQ6000
> https://www.gl-inet.com/products/gl-ax1800 (CPU Part)
> https://www.alldatasheet.com/datasheet-pdf/pdf/1246071/COMPEX/AP.CP03.html

Could you try to boot the BSP software and read out the related
registers to determine the real CPU frequency?

Or perhaps, if there's a cpufreq driver (I don't know), check syfs

Konrad