1*ed7687c7SFrank Li# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*ed7687c7SFrank Li%YAML 1.2 3*ed7687c7SFrank Li--- 4*ed7687c7SFrank Li$id: http://devicetree.org/schemas/input/touchscreen/toradex,vf50-touchscreen.yaml# 5*ed7687c7SFrank Li$schema: http://devicetree.org/meta-schemas/core.yaml# 6*ed7687c7SFrank Li 7*ed7687c7SFrank Lititle: Toradex Colibri VF50 Touchscreen 8*ed7687c7SFrank Li 9*ed7687c7SFrank Limaintainers: 10*ed7687c7SFrank Li - Dmitry Torokhov <dmitry.torokhov@gmail.com> 11*ed7687c7SFrank Li - Sanchayan Maity <maitysanchayan@gmail.com> 12*ed7687c7SFrank Li 13*ed7687c7SFrank Liproperties: 14*ed7687c7SFrank Li compatible: 15*ed7687c7SFrank Li const: toradex,vf50-touchscreen 16*ed7687c7SFrank Li 17*ed7687c7SFrank Li interrupts: 18*ed7687c7SFrank Li maxItems: 1 19*ed7687c7SFrank Li 20*ed7687c7SFrank Li io-channels: 21*ed7687c7SFrank Li maxItems: 4 22*ed7687c7SFrank Li description: 23*ed7687c7SFrank Li adc channels being used by the Colibri VF50 module 24*ed7687c7SFrank Li IIO ADC for Y-, X-, Y+, X+ connections 25*ed7687c7SFrank Li 26*ed7687c7SFrank Li xp-gpios: 27*ed7687c7SFrank Li description: FET gate driver for input of X+ 28*ed7687c7SFrank Li 29*ed7687c7SFrank Li xm-gpios: 30*ed7687c7SFrank Li description: FET gate driver for input of X- 31*ed7687c7SFrank Li 32*ed7687c7SFrank Li yp-gpios: 33*ed7687c7SFrank Li description: FET gate driver for input of Y+ 34*ed7687c7SFrank Li 35*ed7687c7SFrank Li ym-gpios: 36*ed7687c7SFrank Li description: FET gate driver for input of Y- 37*ed7687c7SFrank Li 38*ed7687c7SFrank Li vf50-ts-min-pressure: 39*ed7687c7SFrank Li $ref: /schemas/types.yaml#/definitions/uint32 40*ed7687c7SFrank Li minimum: 50 41*ed7687c7SFrank Li maximum: 2000 42*ed7687c7SFrank Li description: pressure level at which to stop measuring X/Y values 43*ed7687c7SFrank Li 44*ed7687c7SFrank Lirequired: 45*ed7687c7SFrank Li - compatible 46*ed7687c7SFrank Li - io-channels 47*ed7687c7SFrank Li - xp-gpios 48*ed7687c7SFrank Li - xm-gpios 49*ed7687c7SFrank Li - yp-gpios 50*ed7687c7SFrank Li - ym-gpios 51*ed7687c7SFrank Li - interrupts 52*ed7687c7SFrank Li - vf50-ts-min-pressure 53*ed7687c7SFrank Li 54*ed7687c7SFrank LiallOf: 55*ed7687c7SFrank Li - $ref: touchscreen.yaml# 56*ed7687c7SFrank Li 57*ed7687c7SFrank LiunevaluatedProperties: false 58*ed7687c7SFrank Li 59*ed7687c7SFrank Liexamples: 60*ed7687c7SFrank Li - | 61*ed7687c7SFrank Li #include <dt-bindings/interrupt-controller/irq.h> 62*ed7687c7SFrank Li #include <dt-bindings/gpio/gpio.h> 63*ed7687c7SFrank Li 64*ed7687c7SFrank Li touchscreen { 65*ed7687c7SFrank Li compatible = "toradex,vf50-touchscreen"; 66*ed7687c7SFrank Li interrupt-parent = <&gpio0>; 67*ed7687c7SFrank Li interrupts = <8 IRQ_TYPE_LEVEL_LOW>; 68*ed7687c7SFrank Li io-channels = <&adc1 0>, <&adc0 0>, <&adc0 1>, <&adc1 2>; 69*ed7687c7SFrank Li xp-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; 70*ed7687c7SFrank Li xm-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>; 71*ed7687c7SFrank Li yp-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>; 72*ed7687c7SFrank Li ym-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>; 73*ed7687c7SFrank Li pinctrl-names = "idle", "default"; 74*ed7687c7SFrank Li pinctrl-0 = <&pinctrl_touchctrl_idle>, <&pinctrl_touchctrl_gpios>; 75*ed7687c7SFrank Li pinctrl-1 = <&pinctrl_touchctrl_default>, <&pinctrl_touchctrl_gpios>; 76*ed7687c7SFrank Li vf50-ts-min-pressure = <200>; 77*ed7687c7SFrank Li }; 78