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Message-ID: <0bea53cb-4577-2eab-527d-a74824812bf6@linaro.org>
Date:   Wed, 18 Jan 2023 10:38:31 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Neil Armstrong <neil.armstrong@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/3] arm64: dts: qcom: sm8550-mtp: add DSI panel

On 18/01/2023 09:55, Neil Armstrong wrote:
> Add nodes for the Visionox VTDR6130 found on the SM8550-MTP
> device.
> 
> TLMM states are also added for the Panel reset GPIO and
> Tearing Effect signal for when the panel is running in
> DSI Command mode.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8550-mtp.dts | 56 +++++++++++++++++++++++++++++++++
>  1 file changed, 56 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
> index 0dfd1d3db86c..2de387aa2c2d 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
> @@ -370,6 +370,34 @@ &mdss {
>  &mdss_dsi0 {
>  	vdda-supply = <&vreg_l3e_1p2>;
>  	status = "okay";
> +
> +	panel@0 {
> +		compatible = "visionox,vtdr6130";
> +		reg = <0>;
> +
> +		pinctrl-names = "default", "sleep";
> +		pinctrl-0 = <&sde_dsi_active>, <&sde_te_active>;
> +		pinctrl-1 = <&sde_dsi_suspend>, <&sde_te_suspend>;
> +
> +		vddio-supply = <&vreg_l12b_1p8>;
> +		vci-supply = <&vreg_l13b_3p0>;
> +		vdd-supply = <&vreg_l11b_1p2>;
> +
> +		reset-gpios = <&tlmm 133 GPIO_ACTIVE_LOW>;
> +
> +		status = "okay";

No need unless you override existing device node.

> +
> +		port {
> +			panel0_in: endpoint {
> +				remote-endpoint = <&mdss_dsi0_out>;
> +			};
> +		};
> +	};
> +};
Best regards,
Krzysztof

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