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