xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/watchdog/st,stm32-iwdg.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: STMicroelectronics STM32 Independent WatchDoG (IWDG) bindings
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Yannick Fertre <yannick.fertre@st.com>
11*4882a593Smuzhiyun  - Christophe Roullier <christophe.roullier@st.com>
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunallOf:
14*4882a593Smuzhiyun  - $ref: "watchdog.yaml#"
15*4882a593Smuzhiyun
16*4882a593Smuzhiyunproperties:
17*4882a593Smuzhiyun  compatible:
18*4882a593Smuzhiyun    enum:
19*4882a593Smuzhiyun      - st,stm32-iwdg
20*4882a593Smuzhiyun      - st,stm32mp1-iwdg
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun  reg:
23*4882a593Smuzhiyun    maxItems: 1
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun  clocks:
26*4882a593Smuzhiyun    items:
27*4882a593Smuzhiyun      - description: Low speed clock
28*4882a593Smuzhiyun      - description: Optional peripheral clock
29*4882a593Smuzhiyun    minItems: 1
30*4882a593Smuzhiyun    maxItems: 2
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun  clock-names:
33*4882a593Smuzhiyun    items:
34*4882a593Smuzhiyun      enum:
35*4882a593Smuzhiyun        - lsi
36*4882a593Smuzhiyun        - pclk
37*4882a593Smuzhiyun    minItems: 1
38*4882a593Smuzhiyun    maxItems: 2
39*4882a593Smuzhiyun
40*4882a593Smuzhiyunrequired:
41*4882a593Smuzhiyun  - compatible
42*4882a593Smuzhiyun  - reg
43*4882a593Smuzhiyun  - clocks
44*4882a593Smuzhiyun  - clock-names
45*4882a593Smuzhiyun
46*4882a593SmuzhiyununevaluatedProperties: false
47*4882a593Smuzhiyun
48*4882a593Smuzhiyunexamples:
49*4882a593Smuzhiyun  - |
50*4882a593Smuzhiyun    #include <dt-bindings/clock/stm32mp1-clks.h>
51*4882a593Smuzhiyun    watchdog@5a002000 {
52*4882a593Smuzhiyun      compatible = "st,stm32mp1-iwdg";
53*4882a593Smuzhiyun      reg = <0x5a002000 0x400>;
54*4882a593Smuzhiyun      clocks = <&rcc IWDG2>, <&rcc CK_LSI>;
55*4882a593Smuzhiyun      clock-names = "pclk", "lsi";
56*4882a593Smuzhiyun      timeout-sec = <32>;
57*4882a593Smuzhiyun    };
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun...
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