ARM: dts: exynos: Add touchscreen node to Exynos4412 N710x

This adds support for the MMS152 found on N710x boards.
Signed-off-by: Simon Shields <simon@lineageos.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/exynos4412-n710x.dts

@@ -39,6 +39,26 @@ &cam_io_reg {
 	status = "okay";
 };
 
+&i2c_3 {
+	samsung,i2c-sda-delay = <100>;
+	samsung,i2c-slave-addr = <0x10>;
+	samsung,i2c-max-bus-freq = <400000>;
+	pinctrl-0 = <&i2c3_bus>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	mms152-touchscreen@48 {
+		compatible = "melfas,mms152";
+		reg = <0x48>;
+		interrupt-parent = <&gpm2>;
+		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+		x-size = <720>;
+		y-size = <1280>;
+		avdd-supply = <&ldo23_reg>;
+		vdd-supply = <&ldo24_reg>;
+	};
+};
+
 &ldo13_reg {
 	regulator-name = "VCC_1.8V_LCD";
 	regulator-always-on;