arm64:dts: Add touch support on MV with QX-070WSVGA

arch/arm64/boot/dts/seco/seco-imx8mp-d18-mv-qx-070wsvgamml01d.dts

@@ -15,6 +15,13 @@
 #define BACKLIGHT_ENABLE MX8MP_IOMUXC_GPIO1_IO06__GPIO1_IO06
 #define backlight_enable &gpio1 6
 
+#define ENABLE_TOUCH
+#define touch_int_parent &pca6416
+#define touch_int_pin 4
+#define touch_int &pca6416 4
+#define touch_reset_pin 2
+#define touch_reset &pca6416 2
+
 #include "include/imx8mp-d18.dtsi"
 #include "include/mv.dtsi"
 #include "include/qx-070wsvgamml01d.dtsi"
@@ -23,3 +30,48 @@ / {
 	model      = "SECO Group SMARC i.MX8MP QX-070WSVGA (D18 / LEVY)";
 	compatible = "fsl,imx8mp";
 };
+
+#ifdef ENABLE_TOUCH
+&i2c2 {
+#if 0
+	eeti@2a {
+		compatible = "eeti,exc3000_ts";
+		status = "okay";
+		reg = <0x2a>;
+		use-new-mode = <1>;
+		/*
+		 * The touch_int is connected to the GPIO-Expander
+		 * and needs no pinmuxing.
+		 */
+		interrupt-parent = <touch_int_parent>;
+		interrupts = <touch_int_pin IRQ_TYPE_LEVEL_LOW>;
+		/* irq-gpio = <touch_int GPIO_ACTIVE_LOW>;
+		irq-low-active = <1>; */
+#ifdef touch_reset
+		reset-gpio = <touch_reset GPIO_ACTIVE_LOW>;
+		reset-low-active = <1>;
+#endif
+	};
+#endif
+
+	maxtouch@4a {
+		compatible = "atmel,maxtouch";
+		status = "okay";
+		reg = <0x4a>;
+		/*
+		 * The touch_int is connected to the GPIO-Expander
+		 * and needs no pinmuxing.
+		 */
+		interrupt-parent = <touch_int_parent>;
+		interrupts = <touch_int_pin IRQ_TYPE_LEVEL_LOW>;
+		/*
+		 * The atmel-mxt driver doesn't support the irq-gpio
+		 * or the irq-low-active properties.
+		 */
+#ifdef touch_reset
+		reset-gpio = <touch_reset GPIO_ACTIVE_LOW>;
+		reset-low-active = <1>;
+#endif
+	};
+};
+#endif