arm64: dts: qcom: sdm845-starqltechn: add graphics support

Add support for gpu and panel.

Reviewed-by: Konrad Dybcio <[email protected]>
Signed-off-by: Dzmitry Sankouski <[email protected]>
Link: https://lore.kernel.org/r/20250225-starqltechn_integration_upstream-v9-11-a5d80375cb66@gmail.com
Signed-off-by: Bjorn Andersson <[email protected]>

Author: Dzmitry Sankouski

arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts

@@ -208,6 +208,52 @@
 	};
 };
 
+&gpu {
+	status = "okay";
+
+	zap-shader {
+		memory-region = <&gpu_mem>;
+		firmware-name = "qcom/sdm845/starqltechn/a630_zap.mbn";
+	};
+};
+
+&mdss {
+	status = "okay";
+};
+
+&mdss_dsi0 {
+	vdda-supply = <&vreg_l26a_1p2>;
+	status = "okay";
+
+	panel@0 {
+		compatible = "samsung,s6e3ha8";
+		reg = <0>;
+		vci-supply = <&s2dos05_ldo4>;
+		vddr-supply = <&s2dos05_buck>;
+		vdd3-supply = <&s2dos05_ldo1>;
+		te-gpios = <&tlmm 10 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>;
+		pinctrl-0 = <&dsi_default &dsi_te>;
+		pinctrl-1 = <&dsi_suspend &dsi_te>;
+		pinctrl-names = "default", "suspend";
+
+		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 {
+	vdds-supply = <&vdda_mipi_dsi0_pll>;
+	status = "okay";
+};
 
 &apps_rsc {
 	regulators-0 {
@@ -864,6 +910,27 @@
 	gpio-reserved-ranges = <27 4>, /* SPI (eSE - embedded Secure Element) */
 			       <85 4>; /* SPI (fingerprint reader) */
 
+	dsi_default: dsi-default-state {
+		pins = "gpio6";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-disable;
+	};
+
+	dsi_suspend: dsi-suspend-state {
+		pins = "gpio6";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
+	dsi_te: dsi-te-state {
+		pins = "gpio10";
+		function = "mdp_vsync";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
 	i2c21_sda_state: i2c21-sda-state {
 		pins = "gpio127";
 		function = "gpio";