xref: /linux/Documentation/devicetree/bindings/trigger-source/gpio-trigger.yaml (revision 0d5ec7919f3747193f051036b2301734a4b5e1d6) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/trigger-source/gpio-trigger.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Generic trigger source using GPIO
8
9description: A GPIO used as a trigger source.
10
11maintainers:
12  - Jonathan Santos <Jonathan.Santos@analog.com>
13
14properties:
15  compatible:
16    const: gpio-trigger
17
18  '#trigger-source-cells':
19    const: 0
20
21  gpios:
22    maxItems: 1
23    description: GPIO to be used as a trigger source.
24
25required:
26  - compatible
27  - '#trigger-source-cells'
28  - gpios
29
30additionalProperties: false
31
32examples:
33  - |
34    #include <dt-bindings/gpio/gpio.h>
35
36    trigger {
37        compatible = "gpio-trigger";
38        #trigger-source-cells = <0>;
39        gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
40    };
41