linux-kernel - Re: [PATCH] arm64: dts: qcom: ipq8074: fix the sleep clock frequency

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Date:   Thu, 24 Feb 2022 13:57:32 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Kathiravan T <quic_kathirav@...cinc.com>
Cc:     agross@...nel.org, robh+dt@...nel.org, varada@...eaurora.org,
        mraghava@...eaurora.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: ipq8074: fix the sleep clock frequency

On Fri 11 Feb 06:14 CST 2022, Kathiravan T wrote:

> Sleep clock frequency should be 32768Hz. Lets fix it.
> 
> Cc: stable@...r.kernel.org
> Fixes: 41dac73e243d ("arm64: dts: Add ipq8074 SoC and HK01 board support")
> Link: https://lore.kernel.org/all/e2a447f8-6024-0369-f698-2027b6edcf9e@codeaurora.org/
> Signed-off-by: Kathiravan T <quic_kathirav@...cinc.com>

Can you please confirm this? The documentation for GCC says that the
incoming sleep clock is 32000Hz.

Regards,
Bjorn

> ---
>  arch/arm64/boot/dts/qcom/ipq8074.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> index 26ba7ce9222c..b6287355ad08 100644
> --- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> @@ -13,7 +13,7 @@
>  	clocks {
>  		sleep_clk: sleep_clk {
>  			compatible = "fixed-clock";
> -			clock-frequency = <32000>;
> +			clock-frequency = <32768>;
>  			#clock-cells = <0>;
>  		};
>  
> -- 
> 2.7.4
>