1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 # Copyright 2020 Toshiba Electronic Devices & Storage Corporation
3 %YAML 1.2
4 ---
5 $id: "http://devicetree.org/schemas/watchdog/toshiba,visconti-wdt.yaml#"
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7
8 title: Toshiba Visconti SoCs PIUWDT Watchdog timer
9
10 maintainers:
11 - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
12
13 allOf:
14 - $ref: watchdog.yaml#
15
16 properties:
17 compatible:
18 enum:
19 - toshiba,visconti-wdt
20
21 reg:
22 maxItems: 1
23
24 clocks:
25 maxItems: 1
26
27 timeout-sec: true
28
29 required:
30 - compatible
31 - reg
32 - clocks
33
34 additionalProperties: false
35
36 examples:
37 - |
38 soc {
39 #address-cells = <2>;
40 #size-cells = <2>;
41
42 wdt_clk: wdt-clk {
43 compatible = "fixed-clock";
44 clock-frequency = <150000000>;
45 #clock-cells = <0>;
46 };
47
48 watchdog@28330000 {
49 compatible = "toshiba,visconti-wdt";
50 reg = <0 0x28330000 0 0x1000>;
51 clocks = <&wdt_clk>;
52 timeout-sec = <20>;
53 };
54 };
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