linux-kernel - Re: [PATCH v5 4/4] arm64: dts: qcom: ipq5424: Enable cpufreq

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Message-ID: <4890c832-3b78-4294-aaba-b62735f7934e@oss.qualcomm.com>
Date: Mon, 4 Aug 2025 14:33:12 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Varadarajan Narayanan <quic_varada@...cinc.com>, andersson@...nel.org,
        mturquette@...libre.com, sboyd@...nel.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org, konradybcio@...nel.org,
        rafael@...nel.org, viresh.kumar@...aro.org, ilia.lin@...nel.org,
        djakov@...nel.org, linux-arm-msm@...r.kernel.org,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Cc: Sricharan Ramabadhran <quic_srichara@...cinc.com>
Subject: Re: [PATCH v5 4/4] arm64: dts: qcom: ipq5424: Enable cpufreq

On 8/4/25 1:20 PM, Varadarajan Narayanan wrote:
> From: Sricharan Ramabadhran <quic_srichara@...cinc.com>
> 
> Add the qfprom, cpu clocks, A53 PLL and cpu-opp-table required for
> CPU clock scaling.
> 
> Signed-off-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
> [ Added interconnect related entries, fix dt-bindings errors ]
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> ---

[...]

> +	cpu_opp_table: opp-table-cpu {
> +		compatible = "operating-points-v2-kryo-cpu";
> +		opp-shared;
> +		nvmem-cells = <&cpu_speed_bin>;
> +
> +		opp-816000000 {
> +			opp-hz = /bits/ 64 <816000000>;
> +			opp-microvolt = <1>;

I just noticed this.. I don't think we have CPUs this efficient just yet

Do we know some real values for these?

Konrad