ark1668ed-bsp/linux/Documentation/devicetree/bindings/input/atmel,captouch.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/atmel,captouch.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Atmel capacitive touch device

maintainers:
  - Dharma balasubiramani <dharma.b@microchip.com>

description:
  Atmel capacitive touch device, typically an Atmel touch sensor connected to
  AtmegaXX MCU running firmware based on Qtouch library.

allOf:
  - $ref: input.yaml#

properties:
  compatible:
    const: atmel,captouch

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  linux,keycodes:
    minItems: 1
    maxItems: 8

required:
  - compatible
  - reg
  - interrupts
  - linux,keycodes

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/input/linux-event-codes.h>
    i2c {
      #address-cells = <1>;
      #size-cells = <0>;
      touch@51 {
        compatible = "atmel,captouch";
        reg = <0x51>;
        interrupt-parent = <&tlmm>;
        interrupts = <67 IRQ_TYPE_EDGE_FALLING>;
        linux,keycodes = <BTN_0>, <BTN_1>,
                         <BTN_2>, <BTN_3>,
                         <BTN_4>, <BTN_5>,
                         <BTN_6>, <BTN_7>;
        autorepeat;
      };
    };