linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: sdm845-db845c: Use introduced platform wide cam_mclk0

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Message-ID: <65d717fd-d4c4-4ee1-8d9d-bf1f38531403@oss.qualcomm.com>
Date: Wed, 17 Dec 2025 12:11:22 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: david@...t.cz, Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: qcom: sdm845-db845c: Use introduced
 platform wide cam_mclk0_default

On 12/13/25 1:00 PM, David Heidelberg via B4 Relay wrote:
> From: David Heidelberg <david@...t.cz>
> 
> All Snapdragon 845 platform has same controls GPIOs.
> 
> Signed-off-by: David Heidelberg <david@...t.cz>
> ---
>  arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso | 2 +-
>  arch/arm64/boot/dts/qcom/sdm845-db845c.dts                       | 8 --------
>  2 files changed, 1 insertion(+), 9 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso b/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso
> index dbe1911d8e470..f6c2c98970d76 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso
> +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso
> @@ -40,7 +40,7 @@ camera@10 {
>  		/* CAM0_RST_N */
>  		reset-gpios = <&tlmm 9 GPIO_ACTIVE_LOW>;
>  		pinctrl-names = "default";
> -		pinctrl-0 = <&cam0_default>;
> +		pinctrl-0 = <&cam0_default &cam_mclk0_default>;
>  
>  		clocks = <&clock_camcc CAM_CC_MCLK0_CLK>;
>  		clock-names = "xvclk";
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
> index ce23f87e0316b..981d19c20fa1f 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
> @@ -877,14 +877,6 @@ rst-pins {
>  			drive-strength = <16>;
>  			bias-disable;
>  		};
> -
> -		mclk0-pins {
> -			pins = "gpio13";
> -			function = "cam_mclk";
> -
> -			drive-strength = <16>;
> -			bias-disable;
> -		};

Please also remove the mclk3 below

Konrad

>  	};
>  
>  	cam3_default: cam3-default-state {
>