linux-kernel - Re: [PATCH 10/16] arm64: dts: qcom: sm8550-aim300: add display and panel

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Date:   Fri, 17 Nov 2023 12:30:47 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Tengfei Fan <quic_tengfan@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        tglx@...utronix.de
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, -cc=kernel@...cinc.com
Subject: Re: [PATCH 10/16] arm64: dts: qcom: sm8550-aim300: add display and
 panel

On 17/11/2023 12:18, Tengfei Fan wrote:
> Enable Display Subsystem with Visionox VTDR6130 Panel.
> 
> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
> ---
>   arch/arm64/boot/dts/qcom/sm8550-aim300.dts | 68 ++++++++++++++++++++++
>   1 file changed, 68 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550-aim300.dts b/arch/arm64/boot/dts/qcom/sm8550-aim300.dts
> index cafddc02aef0..9b568ae9581e 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550-aim300.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8550-aim300.dts
> @@ -432,6 +432,46 @@
>   		 <&usb_dp_qmpphy QMP_USB43DP_USB3_PIPE_CLK>;
>   };
>   
> +&mdss {
> +	status = "okay";
> +};
> +
> +&mdss_dsi0 {
> +	vdda-supply = <&vreg_l3e_1p2>;
> +	status = "okay";
> +
> +	panel@0 {
> +		compatible = "visionox,vtdr6130";
> +		reg = <0>;
> +
> +		pinctrl-0 = <&sde_dsi_active>, <&sde_te_active>;
> +		pinctrl-1 = <&sde_dsi_suspend>, <&sde_te_suspend>;
> +		pinctrl-names = "default", "sleep";
> +
> +		reset-gpios = <&tlmm 133 GPIO_ACTIVE_LOW>;
> +
> +		vci-supply = <&vreg_l13b_3p0>;
> +		vdd-supply = <&vreg_l11b_1p2>;
> +		vddio-supply = <&vreg_l12b_1p8>;
> +
> +		port {
> +			panel0_in: endpoint {
> +				remote-endpoint = <&mdss_dsi0_out>;
> +			};
> +		};
> +	};
> +};
> +
> +&mdss_dsi0_out {
> +	remote-endpoint = <&panel0_in>;
> +	data-lanes = <0 1 2 3>;
> +};
> +
> +&mdss_dsi0_phy {
> +	vdds-supply = <&vreg_l1e_0p88>;
> +	status = "okay";
> +};
> +
>   &pcie_1_phy_aux_clk {
>   	status = "disabled";
>   };
> @@ -533,6 +573,34 @@
>   &tlmm {
>   	gpio-reserved-ranges = <32 8>;
>   
> +	sde_dsi_active: sde-dsi-active-state {

sde is the name from the other kernel branch. Drop it please. Just 'dsi' 
is enough.

> +		pins = "gpio133";
> +		function = "gpio";
> +		drive-strength = <8>;
> +		bias-disable;
> +	};
> +
> +	sde_dsi_suspend: sde-dsi-suspend-state {
> +		pins = "gpio133";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-pull-down;
> +	};
> +
> +	sde_te_active: sde-te-active-state {
> +		pins = "gpio86";
> +		function = "mdp_vsync";
> +		drive-strength = <2>;
> +		bias-pull-down;
> +	};
> +
> +	sde_te_suspend: sde-te-suspend-state {
> +		pins = "gpio86";
> +		function = "mdp_vsync";
> +		drive-strength = <2>;
> +		bias-pull-down;
> +	};
> +
>   	wcd_default: wcd-reset-n-active-state {
>   		pins = "gpio108";
>   		function = "gpio";

-- 
With best wishes
Dmitry