arm64: dts: qcom: sm8250-xiaomi-elish-boe: Add mdss and dsi panel

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@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230323005925.23179-2-lujianhua000@gmail.com

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";
+};

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";
 };