# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/ariel-pwrbutton.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Dell Wyse 3020 a.k.a. "Ariel" Power Button

maintainers:
  - Lubomir Rintel <lkundrak@v3.sk>

description: |
  The ENE Embedded Controller on the Ariel board has an interface to the
  SPI bus that is capable of sending keyboard and mouse data. A single
  power button is attached to it. This binding describes this
  configuration.

allOf:
  - $ref: input.yaml#
  - $ref: /schemas/spi/spi-peripheral-props.yaml#

properties:
  compatible:
    items:
      - const: dell,wyse-ariel-ec-input
      - const: ene,kb3930-input

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  spi-max-frequency: true

required:
  - compatible
  - reg
  - interrupts

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
 
    spi {
        #address-cells = <1>;
        #size-cells = <0>;
 
        power-button@0 {
            compatible = "dell,wyse-ariel-ec-input", "ene,kb3930-input";
            reg = <0>;
            interrupt-parent = <&gpio>;
            interrupts = <60 IRQ_TYPE_EDGE_RISING>;
            spi-max-frequency = <33000000>;
        };
    };