1*4882a593Smuzhiyun* Toradex Colibri VF50 Touchscreen driver 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired Properties: 4*4882a593Smuzhiyun- compatible must be toradex,vf50-touchscreen 5*4882a593Smuzhiyun- io-channels: adc channels being used by the Colibri VF50 module 6*4882a593Smuzhiyun- xp-gpios: FET gate driver for input of X+ 7*4882a593Smuzhiyun- xm-gpios: FET gate driver for input of X- 8*4882a593Smuzhiyun- yp-gpios: FET gate driver for input of Y+ 9*4882a593Smuzhiyun- ym-gpios: FET gate driver for input of Y- 10*4882a593Smuzhiyun- interrupts: pen irq interrupt for touch detection 11*4882a593Smuzhiyun- pinctrl-names: "idle", "default", "gpios" 12*4882a593Smuzhiyun- pinctrl-0: pinctrl node for pen/touch detection state pinmux 13*4882a593Smuzhiyun- pinctrl-1: pinctrl node for X/Y and pressure measurement (ADC) state pinmux 14*4882a593Smuzhiyun- pinctrl-2: pinctrl node for gpios functioning as FET gate drivers 15*4882a593Smuzhiyun- vf50-ts-min-pressure: pressure level at which to stop measuring X/Y values 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunExample: 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun touchctrl: vf50_touchctrl { 20*4882a593Smuzhiyun compatible = "toradex,vf50-touchscreen"; 21*4882a593Smuzhiyun io-channels = <&adc1 0>,<&adc0 0>, 22*4882a593Smuzhiyun <&adc0 1>,<&adc1 2>; 23*4882a593Smuzhiyun xp-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; 24*4882a593Smuzhiyun xm-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>; 25*4882a593Smuzhiyun yp-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>; 26*4882a593Smuzhiyun ym-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>; 27*4882a593Smuzhiyun interrupt-parent = <&gpio0>; 28*4882a593Smuzhiyun interrupts = <8 IRQ_TYPE_LEVEL_LOW>; 29*4882a593Smuzhiyun pinctrl-names = "idle","default","gpios"; 30*4882a593Smuzhiyun pinctrl-0 = <&pinctrl_touchctrl_idle>; 31*4882a593Smuzhiyun pinctrl-1 = <&pinctrl_touchctrl_default>; 32*4882a593Smuzhiyun pinctrl-2 = <&pinctrl_touchctrl_gpios>; 33*4882a593Smuzhiyun vf50-ts-min-pressure = <200>; 34*4882a593Smuzhiyun }; 35