embedded linux - touchscreen ft5x06 not responding? -
i using kontron smarc-samx6i board run nxp imx6q processor. working yocto in need interface touch screen of ft5316 through i2c . edited device tree follows: polytouch: edt_ft5x06@39 { compatible = "edt","edt_ft5x06","edt-ft5x06"; reg = <0x39>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_smx6_i2c_gpio_1>; irq_pin=<&gpio3 1 0>; interrupt-parent = <&gpio3>; interrupts = <0 70 0x04>; }; when using i2cdump command touchscreen responds successfully, when working module won't respond. when using below command getting following output root@smarc-samx6i:~# cat /proc/bus/input/devices i: bus=0019 vendor=0001 product=0001 version=0100 n: name="gpio-keys.27" p: phys=gpio-keys/input0 s: sysfs=/devices/soc0/gpio-keys.27/input/input0 u: uniq= h: handlers=kbd event0 evbug b: prop=0 b: ev=23 b: key=4000 100000 0 0 0 b: ...