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

Add support for samsung,s6sy761 touchscreen.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Link: https://lore.kernel.org/r/20250225-starqltechn_integration_upstream-v9-9-a5d80375cb66@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

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

@@ -578,6 +578,23 @@
 	status = "okay";
 };
 
+&i2c11 {
+	clock-frequency = <400000>;
+	status = "okay";
+
+	touchscreen@48 {
+		compatible = "samsung,s6sy761";
+		reg = <0x48>;
+		interrupt-parent = <&tlmm>;
+		interrupts = <120 IRQ_TYPE_LEVEL_HIGH>;
+		vdd-supply = <&s2dos05_ldo2>;
+		avdd-supply = <&s2dos05_ldo3>;
+
+		pinctrl-0 = <&touch_irq_state>;
+		pinctrl-names = "default";
+	};
+};
+
 &usb_1 {
 	status = "okay";
 };
@@ -682,4 +699,15 @@
 		function = "gpio";
 		bias-pull-up;
 	};
+
+	touch_irq_state: touch-irq-state {
+		pins = "gpio120";
+		function = "gpio";
+		bias-disable;
+	};
+};
+
+&qup_i2c11_default {
+	drive-strength = <2>;
+	bias-disable;
 };