linux-kernel - Re: [PATCH v3 2/3] arm64: dts: qcom: sm8250-xiaomi-elish-boe: Add mdss and dsi panel

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Message-ID: <146cd9ba-5646-2033-0f46-ab7cab5d6b86@linaro.org>
Date:   Thu, 23 Mar 2023 17:16:22 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Jianhua Lu <lujianhua000@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.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,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org
Subject: Re: [PATCH v3 2/3] arm64: dts: qcom: sm8250-xiaomi-elish-boe: Add
 mdss and dsi panel



On 23.03.2023 01:59, Jianhua Lu wrote:
> Add nodes for BOE NT36523 panel found in xiaomi-elish. This panel
> is a dual dsi mode panel and the dsi phy type is cphy.
> 
> Signed-off-by: Jianhua Lu <lujianhua000@...il.com>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
> Changes in v2:
>   - Include missing <dt-bindings/phy/phy.h> for phy-type property.
> 
> Changes in v3:
>   - Sort include header.
>   - Move qcom,sync-dual-dsi to the front of qcom,master-dsi 
>   - Add newline before subnode.
> 
>  .../boot/dts/qcom/sm8250-xiaomi-elish-boe.dts |  5 ++
>  .../dts/qcom/sm8250-xiaomi-elish-common.dtsi  | 75 +++++++++++++++++++
>  2 files changed, 80 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-boe.dts b/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-boe.dts
> index bd9ad109daf9..8b2ae39950ff 100644
> --- a/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-boe.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-boe.dts
> @@ -11,3 +11,8 @@ / {
>  	model = "Xiaomi Mi Pad 5 Pro (BOE)";
>  	compatible = "xiaomi,elish", "qcom,sm8250";
>  };
> +
> +&display_panel {
> +	compatible = "xiaomi,elish-boe-nt36523";
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi b/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi
> index a43d4b73ffca..4585f61781f1 100644
> --- a/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi
> @@ -4,6 +4,7 @@
>   */
>  
>  #include <dt-bindings/arm/qcom,ids.h>
> +#include <dt-bindings/phy/phy.h>
>  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>  #include "sm8250.dtsi"
>  #include "pm8150.dtsi"
> @@ -469,6 +470,76 @@ &cdsp {
>  	status = "okay";
>  };
>  
> +&dsi0 {
> +	vdda-supply = <&vreg_l9a_1p2>;
> +	qcom,dual-dsi-mode;
> +	qcom,sync-dual-dsi;
> +	qcom,master-dsi;
> +	status = "okay";
> +
> +	display_panel: panel@0 {
> +		reg = <0>;
> +		vddio-supply = <&vreg_l14a_1p88>;
> +		reset-gpios = <&tlmm 75 GPIO_ACTIVE_LOW>;
> +		backlight = <&backlight>;
> +
> +		status = "disabled";
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +
> +				panel_in_0: endpoint {
> +					remote-endpoint = <&dsi0_out>;
> +				};
> +			};
> +
> +			port@1{
> +				reg = <1>;
> +
> +				panel_in_1: endpoint {
> +					remote-endpoint = <&dsi1_out>;
> +				};
> +			};
> +
> +		};
> +	};
> +};
> +
> +&dsi0_out {
> +	data-lanes = <0 1 2>;
> +	remote-endpoint = <&panel_in_0>;
> +};
> +
> +&dsi0_phy {
> +	vdds-supply = <&vreg_l5a_0p88>;
> +	phy-type = <PHY_TYPE_CPHY>;
> +	status = "okay";
> +};
> +
> +&dsi1 {
> +	vdda-supply = <&vreg_l9a_1p2>;
> +	qcom,dual-dsi-mode;
> +	qcom,sync-dual-dsi;
> +	/* DSI1 is slave, so use DSI0 clocks */
> +	assigned-clock-parents = <&dsi0_phy 0>, <&dsi0_phy 1>;
> +	status = "okay";
> +};
> +
> +&dsi1_out {
> +	data-lanes = <0 1 2>;
> +	remote-endpoint = <&panel_in_1>;
> +};
> +
> +&dsi1_phy {
> +	vdds-supply = <&vreg_l5a_0p88>;
> +	phy-type = <PHY_TYPE_CPHY>;
> +	status = "okay";
> +};
> +
>  &gmu {
>  	status = "okay";
>  };
> @@ -533,6 +604,10 @@ fuel-gauge@55 {
>  	};
>  };
>  
> +&mdss {
> +	status = "okay";
> +};
> +
>  &pcie0 {
>  	status = "okay";
>  };