1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/watchdog/fsl-imx7ulp-wdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Freescale i.MX7ULP Watchdog Timer (WDT) Controller
8
9 maintainers:
10 - Anson Huang <Anson.Huang@nxp.com>
11
12 allOf:
13 - $ref: "watchdog.yaml#"
14
15 properties:
16 compatible:
17 oneOf:
18 - const: fsl,imx7ulp-wdt
19 - items:
20 - const: fsl,imx8ulp-wdt
21 - const: fsl,imx7ulp-wdt
22 - const: fsl,imx93-wdt
23
24 reg:
25 maxItems: 1
26
27 interrupts:
28 maxItems: 1
29
30 clocks:
31 maxItems: 1
32
33 timeout-sec: true
34
35 required:
36 - compatible
37 - interrupts
38 - reg
39 - clocks
40
41 additionalProperties: false
42
43 examples:
44 - |
45 #include <dt-bindings/interrupt-controller/arm-gic.h>
46 #include <dt-bindings/clock/imx7ulp-clock.h>
47
48 watchdog@403d0000 {
49 compatible = "fsl,imx7ulp-wdt";
50 reg = <0x403d0000 0x10000>;
51 interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
52 clocks = <&pcc2 IMX7ULP_CLK_WDG1>;
53 assigned-clocks = <&pcc2 IMX7ULP_CLK_WDG1>;
54 assigned-clock-parents = <&scg1 IMX7ULP_CLK_FIRC_BUS_CLK>;
55 timeout-sec = <40>;
56 };
57
58 ...
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