1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/ene-kb3930.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: ENE KB3930 Embedded Controller
8
9 description: |
10 This binding describes the ENE KB3930 Embedded Controller attached to an
11 I2C bus.
12
13 maintainers:
14 - Lubomir Rintel <lkundrak@v3.sk>
15
16 properties:
17 compatible:
18 items:
19 - enum:
20 - dell,wyse-ariel-ec # Dell Wyse Ariel board (3020)
21 - const: ene,kb3930
22 reg:
23 maxItems: 1
24
25 off-gpios:
26 description: GPIO used with the shutdown protocol on Ariel
27 maxItems: 2
28
29 system-power-controller: true
30
31 required:
32 - compatible
33 - reg
34
35 additionalProperties: false
36
37 examples:
38 - |
39 #include <dt-bindings/gpio/gpio.h>
40
41 i2c {
42 #address-cells = <1>;
43 #size-cells = <0>;
44
45 embedded-controller@58 {
46 compatible = "dell,wyse-ariel-ec", "ene,kb3930";
47 reg = <0x58>;
48 system-power-controller;
49
50 off-gpios = <&gpio 126 GPIO_ACTIVE_HIGH>,
51 <&gpio 127 GPIO_ACTIVE_HIGH>;
52 };
53 };
54
55 ...
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