linux-kernel - Re: [PATCH RESEND] arm64: dts: qcom: sm8550: Add support for camss

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Message-ID: <0367d5bd-a42e-4b6c-b841-ba20190b3127@linaro.org>
Date: Tue, 10 Jun 2025 12:48:10 +0300
From: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>
To: Wenmeng Liu <quic_wenmliu@...cinc.com>, rfoss@...nel.org,
 bryan.odonoghue@...aro.org, todor.too@...il.com, andersson@...nel.org,
 konradybcio@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
 quic_depengs@...cinc.com
Subject: Re: [PATCH RESEND] arm64: dts: qcom: sm8550: Add support for camss

Hello Wenmeng.

On 5/16/25 10:27, Wenmeng Liu wrote:
> Add support for the camera subsystem on the SM8550 Qualcomm SoC. This
> includes bringing up the CSIPHY, CSID, VFE/RDI interfaces.
> 
> SM8550 provides
> - 3 x VFE, 3 RDI per VFE
> - 2 x VFE Lite, 4 RDI per VFE
> - 3 x CSID
> - 2 x CSID Lite
> - 8 x CSI PHY
> 
> Co-developed-by: Depeng Shao <quic_depengs@...cinc.com>
> Signed-off-by: Depeng Shao <quic_depengs@...cinc.com>
> Signed-off-by: Wenmeng Liu <quic_wenmliu@...cinc.com>
> ---
>   arch/arm64/boot/dts/qcom/sm8550.dtsi | 210 +++++++++++++++++++++++++++
>   1 file changed, 210 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> index e9bb077aa9f0..722521496a2d 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -3326,6 +3326,216 @@ cci2_i2c1: i2c-bus@1 {
>   			};
>   		};
>   
> +		isp: isp@...7000 {
> +			compatible = "qcom,sm8550-camss";
> +

This is the first time, when 'isp' label is used instead of 'camss', it might
be I missed the context, is there any particular reason to do such a change?

If the label name is changed to the regular 'camss', then

Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>

--
Best wishes,
Vladimir