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
7 title: Dell Wyse 3020 a.k.a. "Ariel" Power Button
8
9 maintainers:
10 - Lubomir Rintel <lkundrak@v3.sk>
11
12 description: |
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
18 allOf:
19 - $ref: input.yaml#
20 - $ref: /schemas/spi/spi-peripheral-props.yaml#
21
22 properties:
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
36 required:
37 - compatible
38 - reg
39 - interrupts
40
41 additionalProperties: false
42
43 examples:
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 };
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