linux-kernel - Re: [PATCH 04/16] arm64: dts: qcom: sm8350: Specify clock-frequency for arch timer

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Date:   Mon, 29 Nov 2021 18:05:34 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Konrad Dybcio <konrad.dybcio@...ainline.org>,
        ~postmarketos/upstreaming@...ts.sr.ht
Cc:     martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/16] arm64: dts: qcom: sm8350: Specify clock-frequency for arch timer

Quoting Konrad Dybcio (2021-11-13 17:27:43)
> Arch timer runs at 19.2 MHz. Specify the rate in the timer node.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8350.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
> index a30ba3193d84..60866a20a55c 100644
> --- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
> @@ -2484,5 +2484,6 @@ timer {
>                              <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
>                              <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
>                              <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
> +               clock-frequency = <19200000>;

Does the firmware not set the frequency properly?