xref: /linux/Documentation/devicetree/bindings/input/ariel-pwrbutton.yaml (revision c83b49383b595be50647f0c764a48c78b5f3c4f8) 
1# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/input/ariel-pwrbutton.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Dell Wyse 3020 a.k.a. "Ariel" Power Button
8
9maintainers:
10  - Lubomir Rintel <lkundrak@v3.sk>
11
12description: |
13  The ENE Embedded Controller on the Ariel board has an interface to the
14  SPI bus that is capable of sending keyboard and mouse data. A single
15  power button is attached to it. This binding describes this
16  configuration.
17
18allOf:
19  - $ref: input.yaml#
20  - $ref: /schemas/spi/spi-peripheral-props.yaml#
21
22properties:
23  compatible:
24    items:
25      - const: dell,wyse-ariel-ec-input
26      - const: ene,kb3930-input
27
28  reg:
29    maxItems: 1
30
31  interrupts:
32    maxItems: 1
33
34  spi-max-frequency: true
35
36required:
37  - compatible
38  - reg
39  - interrupts
40
41additionalProperties: false
42
43examples:
44  - |
45    #include <dt-bindings/interrupt-controller/irq.h>
46
47    spi {
48        #address-cells = <1>;
49        #size-cells = <0>;
50
51        power-button@0 {
52            compatible = "dell,wyse-ariel-ec-input", "ene,kb3930-input";
53            reg = <0>;
54            interrupt-parent = <&gpio>;
55            interrupts = <60 IRQ_TYPE_EDGE_RISING>;
56            spi-max-frequency = <33000000>;
57        };
58    };
59