[A62][TOUCH][DTO] Add overlay for maxtouch touchscreen

use ignore-fw-loading to load the xcfg installed in the touch controller

arch/arm/boot/dts/seco/overlays/Makefile

@@ -24,6 +24,7 @@ dtbo-$(CONFIG_SOC_IMX6Q) += \
 	seco-imx6qdl-a62-conn-j8.dtbo \
 	seco-imx6qdl-a62-touch-gt928.dtbo \
 	seco-imx6qdl-a62-touch-st1232.dtbo \
+	seco-imx6qdl-a62-touch-maxtouch.dtbo \
 	seco-imx6qdl-a62-video-hdmi-lvds.dtbo \
 	seco-imx6qdl-a62-video-hdmi.dtbo \
 	seco-imx6qdl-a62-video-lvds-hdmi.dtbo \

arch/arm/boot/dts/seco/overlays/seco-imx6qdl-a62-touch-maxtouch-overlay.dts

+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "fsl,imx6q-SBC_A62", "fsl,imx6dl-SBC_A62", "fsl,imx6q", "fsl,imx6dl";
+
+	fragment@0 {
+		target = <&i2c3>;
+		__overlay__ {
+
+			maxtouch: maxtouch@4a {
+				compatible          =   "atmel,maxtouch";
+				reg                 =   <0x4a>;
+				pinctrl-names       =   "default";
+				pinctrl-0           =   <&pinctrl_st1232>;
+				interrupt-parent    =   <&gpio1>;
+				interrupts          =   <13 IRQ_TYPE_EDGE_FALLING>;
+				reset-gpio          =   <&gpio1 15 GPIO_ACTIVE_HIGH>;
+				ignore-fw-loading;
+				status              =   "okay";
+			};
+		};
+	};
+};