linux-kernel - Re: [PATCH v5 16/18] arm64: dts: qcom: sm8450: Additionally manage MXC power domain in camcc

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Message-ID: <e8853f32-11b9-4909-9769-c06b439f2bf7@nxsw.ie>
Date: Tue, 03 Jun 2025 08:08:38 +0000
From: Bryan O'Donoghue <bod.linux@...w.ie>
To: Jagadeesh Kona <quic_jkona@...cinc.com>, Bjorn Andersson <andersson@...nel.org>, Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>, Dmitry Baryshkov <lumag@...nel.org>
Cc: Ajit Pandey <quic_ajipan@...cinc.com>, Imran Shaik <quic_imrashai@...cinc.com>, Taniya Das <quic_tdas@...cinc.com>, Satya Priya Kakitapalli <quic_skakitap@...cinc.com>, linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, Bryan O'Donoghue <bryan.odonoghue@...aro.org>, Konrad Dybcio <konrad.dybcio@....qualcomm.com>, Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Subject: Re: [PATCH v5 16/18] arm64: dts: qcom: sm8450: Additionally manage MXC power domain in camcc

On 30/05/2025 14:21, Jagadeesh Kona wrote:
> Camcc requires both MMCX and MXC rails to be powered ON to configure
> the camera PLLs on SM8450 platform. Hence add MXC power domain to
> camcc node on SM8450.
> 
> Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> Signed-off-by: Jagadeesh Kona <quic_jkona@...cinc.com>
> ---
>   arch/arm64/boot/dts/qcom/sm8450.dtsi | 6 ++++--
>   1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> index 36a67c679fbaed944d7590528b696635c306da5d..624190c07c59f3e6714f296f1b264d2a88135116 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> @@ -3292,8 +3292,10 @@ camcc: clock-controller@...0000 {
>   				 <&rpmhcc RPMH_CXO_CLK>,
>   				 <&rpmhcc RPMH_CXO_CLK_A>,
>   				 <&sleep_clk>;
> -			power-domains = <&rpmhpd RPMHPD_MMCX>;
> -			required-opps = <&rpmhpd_opp_low_svs>;
> +			power-domains = <&rpmhpd RPMHPD_MMCX>,
> +					<&rpmhpd RPMHPD_MXC>;
> +			required-opps = <&rpmhpd_opp_low_svs>,
> +					<&rpmhpd_opp_low_svs>;
>   			#clock-cells = <1>;
>   			#reset-cells = <1>;
>   			#power-domain-cells = <1>;
> 
> --
> 2.34.1
> 
> 
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>