linux-wandboard

edt-ft5x06 driver does not work with device tree

NHD-5.0-800480TF-ATXL-CTP lcd display use a ft5306 to manage touchscreen.
The actual version does not work with device tree.

Replace the driver by a version found here:
http://lxr.free-electrons.com/source/drivers/input/touchscreen/edt-ft5x06.c?v=3.15

Tested with device tree
&i2c1 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	status = "okay";

	touchscreen@38 {
		compatible = "edt,edt-ft5306", "edt,edt-ft5x06";
		reg = <0x38>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_touchscreen>;
		interrupt-parent = <&gpio6>;
		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
		reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
	        touchscreen-size-x = <800>;
		touchscreen-size-y = <480>;
	};
};