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
9allOf:
10  - $ref: "watchdog.yaml#"
11
12maintainers:
13  - Julius Werner <jwerner@chromium.org>
14
15properties:
16  compatible:
17    enum:
18      - arm,smc-wdt
19  arm,smc-id:
20    allOf:
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
29examples:
30  - |
31    watchdog {
32      compatible = "arm,smc-wdt";
33      arm,smc-id = <0x82003D06>;
34      timeout-sec = <15>;
35    };
36
37...
38