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-* Toradex Colibri VF50 Touchscreen driver
-
-Required Properties:
-- compatible must be toradex,vf50-touchscreen
-- io-channels: adc channels being used by the Colibri VF50 module
- IIO ADC for Y-, X-, Y+, X+ connections
-- xp-gpios: FET gate driver for input of X+
-- xm-gpios: FET gate driver for input of X-
-- yp-gpios: FET gate driver for input of Y+
-- ym-gpios: FET gate driver for input of Y-
-- interrupts: pen irq interrupt for touch detection, signal from X plate
-- pinctrl-names: "idle", "default"
-- pinctrl-0: pinctrl node for pen/touch detection, pinctrl must provide
- pull-up resistor on X+, X-.
-- pinctrl-1: pinctrl node for X/Y and pressure measurement (ADC) state pinmux
-- vf50-ts-min-pressure: pressure level at which to stop measuring X/Y values
-
-Example:
-
- touchctrl: vf50_touchctrl {
- compatible = "toradex,vf50-touchscreen";
- io-channels = <&adc1 0>,<&adc0 0>,
- <&adc0 1>,<&adc1 2>;
- xp-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
- xm-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
- yp-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
- ym-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
- interrupt-parent = <&gpio0>;
- interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
- pinctrl-names = "idle","default";
- pinctrl-0 = <&pinctrl_touchctrl_idle>, <&pinctrl_touchctrl_gpios>;
- pinctrl-1 = <&pinctrl_touchctrl_default>, <&pinctrl_touchctrl_gpios>;
- vf50-ts-min-pressure = <200>;
- };