xref: /linux/Documentation/devicetree/bindings/watchdog/arm-smc-wdt.yaml (revision be239684b18e1cdcafcf8c7face4a2f562c745ad) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/watchdog/arm-smc-wdt.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: ARM Secure Monitor Call based watchdog
8
9maintainers:
10  - Julius Werner <jwerner@chromium.org>
11
12allOf:
13  - $ref: watchdog.yaml#
14
15properties:
16  compatible:
17    enum:
18      - arm,smc-wdt
19
20  arm,smc-id:
21    $ref: /schemas/types.yaml#/definitions/uint32
22    description: |
23      The ATF smc function id used by the firmware.
24      Defaults to 0x82003D06 if unset.
25
26required:
27  - compatible
28
29unevaluatedProperties: false
30
31examples:
32  - |
33    watchdog {
34        compatible = "arm,smc-wdt";
35        arm,smc-id = <0x82003D06>;
36        timeout-sec = <15>;
37    };
38
39...
40