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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/input/touchscreen/toradex,vf50-touchscreen.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Toradex Colibri VF50 Touchscreen8 9maintainers:10 - Dmitry Torokhov <dmitry.torokhov@gmail.com>11 - Sanchayan Maity <maitysanchayan@gmail.com>12 13properties:14 compatible:15 const: toradex,vf50-touchscreen16 17 interrupts:18 maxItems: 119 20 io-channels:21 maxItems: 422 description:23 adc channels being used by the Colibri VF50 module24 IIO ADC for Y-, X-, Y+, X+ connections25 26 xp-gpios:27 description: FET gate driver for input of X+28 29 xm-gpios:30 description: FET gate driver for input of X-31 32 yp-gpios:33 description: FET gate driver for input of Y+34 35 ym-gpios:36 description: FET gate driver for input of Y-37 38 vf50-ts-min-pressure:39 $ref: /schemas/types.yaml#/definitions/uint3240 minimum: 5041 maximum: 200042 description: pressure level at which to stop measuring X/Y values43 44required:45 - compatible46 - io-channels47 - xp-gpios48 - xm-gpios49 - yp-gpios50 - ym-gpios51 - interrupts52 - vf50-ts-min-pressure53 54allOf:55 - $ref: touchscreen.yaml#56 57unevaluatedProperties: false58 59examples:60 - |61 #include <dt-bindings/interrupt-controller/irq.h>62 #include <dt-bindings/gpio/gpio.h>63 64 touchscreen {65 compatible = "toradex,vf50-touchscreen";66 interrupt-parent = <&gpio0>;67 interrupts = <8 IRQ_TYPE_LEVEL_LOW>;68 io-channels = <&adc1 0>, <&adc0 0>, <&adc0 1>, <&adc1 2>;69 xp-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;70 xm-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;71 yp-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;72 ym-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;73 pinctrl-names = "idle", "default";74 pinctrl-0 = <&pinctrl_touchctrl_idle>, <&pinctrl_touchctrl_gpios>;75 pinctrl-1 = <&pinctrl_touchctrl_default>, <&pinctrl_touchctrl_gpios>;76 vf50-ts-min-pressure = <200>;77 };78