linux-kernel - Re: [PATCH V4 8/8] arm64: dts: qcom: sm8650: Add video and camera clock controllers

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Date: Thu, 13 Jun 2024 00:22:42 +0300
From: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>
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+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 Taniya Das <quic_tdas@...cinc.com>,
 Satya Priya Kakitapalli <quic_skakitap@...cinc.com>,
 Ajit Pandey <quic_ajipan@...cinc.com>,
 Imran Shaik <quic_imrashai@...cinc.com>
Subject: Re: [PATCH V4 8/8] arm64: dts: qcom: sm8650: Add video and camera
 clock controllers

Hi Jagadeesh.

On 6/2/24 14:44, Jagadeesh Kona wrote:
> Add device nodes for video and camera clock controllers on Qualcomm
> SM8650 platform.
> 
> Signed-off-by: Jagadeesh Kona <quic_jkona@...cinc.com>
> Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>
> ---
>   arch/arm64/boot/dts/qcom/sm8650.dtsi | 26 ++++++++++++++++++++++++++
>   1 file changed, 26 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> index 336c54242778..d964762b0532 100644
> --- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> @@ -4,10 +4,12 @@
>    */
>   
>   #include <dt-bindings/clock/qcom,rpmh.h>
> +#include <dt-bindings/clock/qcom,sm8650-camcc.h>
>   #include <dt-bindings/clock/qcom,sm8650-dispcc.h>
>   #include <dt-bindings/clock/qcom,sm8650-gcc.h>
>   #include <dt-bindings/clock/qcom,sm8650-gpucc.h>
>   #include <dt-bindings/clock/qcom,sm8650-tcsr.h>
> +#include <dt-bindings/clock/qcom,sm8650-videocc.h>
>   #include <dt-bindings/dma/qcom-gpi.h>
>   #include <dt-bindings/firmware/qcom,scm.h>
>   #include <dt-bindings/gpio/gpio.h>
> @@ -3315,6 +3317,30 @@ opp-202000000 {
>   			};
>   		};
>   
> +		videocc: clock-controller@...0000 {
> +			compatible = "qcom,sm8650-videocc";
> +			reg = <0 0x0aaf0000 0 0x10000>;
> +			clocks = <&bi_tcxo_div2>,
> +				 <&gcc GCC_VIDEO_AHB_CLK>;
> +			power-domains = <&rpmhpd RPMHPD_MMCX>;
> +			#clock-cells = <1>;
> +			#reset-cells = <1>;
> +			#power-domain-cells = <1>;
> +		};
> +
> +		camcc: clock-controller@...0000 {
> +			compatible = "qcom,sm8650-camcc";
> +			reg = <0 0x0ade0000 0 0x20000>;
> +			clocks = <&gcc GCC_CAMERA_AHB_CLK>,
> +				 <&bi_tcxo_div2>,
> +				 <&bi_tcxo_ao_div2>,
> +				 <&sleep_clk>;
> +			power-domains = <&rpmhpd RPMHPD_MMCX>;

When you test the change on a particular board, do you get here any build
time warning messages like this one?

   clock-controller@...0000: 'required-opps' is a required property
	  from schema $id: http://devicetree.org/schemas/clock/qcom,sm8450-camcc.yaml#

I believe it's a valid warning, which has to be fixes, and as it says it
corresponds to the required property exactly.

> +			#clock-cells = <1>;
> +			#reset-cells = <1>;
> +			#power-domain-cells = <1>;
> +		};
> +
>   		mdss: display-subsystem@...0000 {
>   			compatible = "qcom,sm8650-mdss";
>   			reg = <0 0x0ae00000 0 0x1000>;

--
Best wishes,
Vladimir