1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/watchdog/img,pdc-wdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: ImgTec PowerDown Controller (PDC) Watchdog Timer (WDT)
8
9 maintainers:
10 - Shresth Prasad <shresthprasad7@gmail.com>
11
12 allOf:
13 - $ref: watchdog.yaml#
14
15 properties:
16 compatible:
17 enum:
18 - img,pdc-wdt
19
20 reg:
21 maxItems: 1
22
23 clocks:
24 items:
25 - description: watchdog counter clock
26 - description: register interface clock
27
28 clock-names:
29 items:
30 - const: wdt
31 - const: sys
32
33 interrupts:
34 maxItems: 1
35
36 required:
37 - compatible
38 - reg
39 - clocks
40 - clock-names
41 - interrupts
42
43 unevaluatedProperties: false
44
45 examples:
46 - |
47 #include <dt-bindings/interrupt-controller/irq.h>
48
49 watchdog@18102100 {
50 compatible = "img,pdc-wdt";
51 reg = <0x18102100 0x100>;
52 clocks = <&pdc_wdt_clk>, <&sys_clk>;
53 clock-names = "wdt", "sys";
54 interrupts = <0 52 IRQ_TYPE_LEVEL_HIGH>;
55 };
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