xref: /freebsd/sys/contrib/device-tree/Bindings/watchdog/amlogic,meson6-wdt.yaml (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/watchdog/amlogic,meson6-wdt.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Amlogic Meson6 SoCs Watchdog timer
8
9maintainers:
10  - Neil Armstrong <neil.armstrong@linaro.org>
11  - Martin Blumenstingl <martin.blumenstingl@googlemail.com>
12
13allOf:
14  - $ref: watchdog.yaml#
15
16properties:
17  compatible:
18    oneOf:
19      - enum:
20          - amlogic,meson6-wdt
21          - amlogic,meson8-wdt
22          - amlogic,meson8b-wdt
23      - items:
24          - const: amlogic,meson8m2-wdt
25          - const: amlogic,meson8b-wdt
26
27  interrupts:
28    maxItems: 1
29
30  reg:
31    maxItems: 1
32
33required:
34  - compatible
35  - interrupts
36  - reg
37
38unevaluatedProperties: false
39
40examples:
41  - |
42    #include <dt-bindings/interrupt-controller/irq.h>
43    #include <dt-bindings/interrupt-controller/arm-gic.h>
44
45    wdt: watchdog@c1109900 {
46        compatible = "amlogic,meson6-wdt";
47        reg = <0xc1109900 0x8>;
48        interrupts = <GIC_SPI 0 IRQ_TYPE_EDGE_RISING>;
49        timeout-sec = <10>;
50    };
51