linux-kernel - Re: [PATCH v2 1/4] arm64: dts: qcom: ipq6018: add 1.2GHz CPU Frequency

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Message-ID: <0b032929-f525-4b2e-a176-1a447cf0fa7f@gmail.com>
Date: Wed, 6 Mar 2024 21:38:33 +0100
From: Robert Marko <robimarko@...il.com>
To: Chukun Pan <amadeus@....edu.cn>, Bjorn Andersson <andersson@...nel.org>
Cc: Konrad Dybcio <konrad.dybcio@...aro.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Rob Herring <robh@...nel.org>,
 linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org
Subject: Re: [PATCH v2 1/4] arm64: dts: qcom: ipq6018: add 1.2GHz CPU
 Frequency


On 06. 03. 2024. 15:03, Chukun Pan wrote:
> Some IPQ6000 SoCs have CPU frequencies up to 1.2GHz,
> so add this frequency.
>
> Signed-off-by: Chukun Pan <amadeus@....edu.cn>
> ---
>   arch/arm64/boot/dts/qcom/ipq6018.dtsi | 7 +++++++
>   1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> index 4e29adea570a..7fdb119083a2 100644
> --- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> @@ -119,6 +119,13 @@ opp-1056000000 {
>   			clock-latency-ns = <200000>;
>   		};
>   
> +		opp-1200000000 {
> +			opp-hz = /bits/ 64 <1200000000>;
> +			opp-microvolt = <850000>;
Can I ask the source of this voltage level?
Because, its not present in the downstream QCA tree at all.

Regards,
Robert
> +			opp-supported-hw = <0x4>;
> +			clock-latency-ns = <200000>;
> +		};
> +
>   		opp-1320000000 {
>   			opp-hz = /bits/ 64 <1320000000>;
>   			opp-microvolt = <862500>;