arm64: dts: qcom: msm8939-wingtech-wt82918: Add display

Signed-off-by: Adam Słaboń <asaillen@protonmail.com>

arch/arm64/boot/dts/qcom/msm8939-wingtech-wt82918.dtsi

@@ -108,6 +108,26 @@
 &blsp_i2c2 {
 	status = "okay";
 
+	regulator@3e {
+		compatible = "ti,tps65132";
+		reg = <0x3e>;
+
+		pinctrl-0 = <&reg_lcd_en_default>;
+		pinctrl-names = "default";
+
+		reg_lcd_pos: outp {
+			regulator-name = "outp";
+			enable-gpios = <&tlmm 0 GPIO_ACTIVE_HIGH>;
+			regulator-active-discharge = <1>;
+		};
+
+		reg_lcd_neg: outn {
+			regulator-name = "outn";
+			enable-gpios = <&tlmm 1 GPIO_ACTIVE_HIGH>;
+			regulator-active-discharge = <1>;
+		};
+	};
+
 	accelerometer@68 {
 		compatible = "invensense,icm20608";
 		reg = <0x68>;
@@ -152,6 +172,47 @@
 	status = "okay";
 };
 
+&gpu {
+	status = "okay";
+};
+
+&mdss {
+	status = "okay";
+};
+
+&mdss_dsi0 {
+	pinctrl-0 = <&mdss_default>;
+	pinctrl-1 = <&mdss_sleep>;
+	pinctrl-names = "default", "sleep";
+	status = "okay";
+
+	panel@0 {
+		compatible = "wingtech,wt82918-panel";
+		reg = <0>;
+
+		backlight = <&backlight>;
+		vsp-supply = <&reg_lcd_pos>;
+		vsn-supply = <&reg_lcd_neg>;
+		reset-gpios = <&tlmm 25 GPIO_ACTIVE_LOW>;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&mdss_dsi0_out>;
+			};
+		};
+	};
+};
+
+&mdss_dsi0_out {
+	data-lanes = <0 1 2 3>;
+	remote-endpoint = <&panel_in>;
+};
+
+&mdss_dsi0_phy {
+	qcom,dsi-phy-regulator-ldo-mode;
+	status = "okay";
+};
+
 &mpss_mem {
 	reg = <0x0 0x86800000 0x0 0x5500000>;
 };
@@ -245,6 +306,27 @@
 		bias-disable;
 	};
 
+	mdss_default: mdss-default-state {
+		pins = "gpio25";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-disable;
+	};
+
+	mdss_sleep: mdss-sleep-state {
+		pins = "gpio25";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
+	reg_lcd_en_default: reg-lcd-en-default-state {
+		pins = "gpio0", "gpio1";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	touchscreen_default: touchscreen-default-state {
 		reset-pins {
 			pins = "gpio12";