xref: /freebsd/sys/contrib/device-tree/Bindings/watchdog/st,stm32-iwdg.yaml (revision 6be3386466ab79a84b48429ae66244f21526d3df) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/watchdog/st,stm32-iwdg.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: STMicroelectronics STM32 Independent WatchDoG (IWDG) bindings
8
9maintainers:
10  - Yannick Fertre <yannick.fertre@st.com>
11  - Christophe Roullier <christophe.roullier@st.com>
12
13allOf:
14  - $ref: "watchdog.yaml#"
15
16properties:
17  compatible:
18    enum:
19      - st,stm32-iwdg
20      - st,stm32mp1-iwdg
21
22  reg:
23    maxItems: 1
24
25  clocks:
26    items:
27      - description: Low speed clock
28      - description: Optional peripheral clock
29    minItems: 1
30    maxItems: 2
31
32  clock-names:
33    items:
34      enum:
35        - lsi
36        - pclk
37    minItems: 1
38    maxItems: 2
39
40required:
41  - compatible
42  - reg
43  - clocks
44  - clock-names
45
46unevaluatedProperties: false
47
48examples:
49  - |
50    #include <dt-bindings/clock/stm32mp1-clks.h>
51    watchdog@5a002000 {
52      compatible = "st,stm32mp1-iwdg";
53      reg = <0x5a002000 0x400>;
54      clocks = <&rcc IWDG2>, <&rcc CK_LSI>;
55      clock-names = "pclk", "lsi";
56      timeout-sec = <32>;
57    };
58
59...
60