allwinner,sun4i-a10-wdt.yaml

 1# SPDX-License-Identifier: GPL-2.0
 2%YAML 1.2
 3---
 4$id: http://devicetree.org/schemas/watchdog/allwinner,sun4i-a10-wdt.yaml#
 5$schema: http://devicetree.org/meta-schemas/core.yaml#
 6
 7title: Allwinner A10 Watchdog
 8
 9maintainers:
10  - Chen-Yu Tsai <wens@csie.org>
11  - Maxime Ripard <mripard@kernel.org>
12
13allOf:
14  - $ref: watchdog.yaml#
15
16properties:
17  compatible:
18    oneOf:
19      - const: allwinner,sun4i-a10-wdt
20      - const: allwinner,sun6i-a31-wdt
21      - items:
22          - enum:
23              - allwinner,sun50i-a64-wdt
24              - allwinner,sun50i-a100-wdt
25              - allwinner,sun50i-h6-wdt
26              - allwinner,sun50i-h616-wdt
27              - allwinner,sun50i-r329-wdt
28              - allwinner,sun50i-r329-wdt-reset
29              - allwinner,suniv-f1c100s-wdt
30          - const: allwinner,sun6i-a31-wdt
31      - const: allwinner,sun20i-d1-wdt
32      - items:
33          - const: allwinner,sun20i-d1-wdt-reset
34          - const: allwinner,sun20i-d1-wdt
35      - const: allwinner,sun55i-a523-wdt
36
37  reg:
38    maxItems: 1
39
40  clocks:
41    minItems: 1
42    items:
43      - description: 32 KHz input clock
44      - description: secondary clock source
45
46  interrupts:
47    maxItems: 1
48
49required:
50  - compatible
51  - reg
52  - clocks
53  - interrupts
54
55if:
56  properties:
57    compatible:
58      contains:
59        enum:
60          - allwinner,sun20i-d1-wdt
61          - allwinner,sun20i-d1-wdt-reset
62          - allwinner,sun50i-r329-wdt
63          - allwinner,sun50i-r329-wdt-reset
64          - allwinner,sun55i-a523-wdt
65
66then:
67  properties:
68    clocks:
69      items:
70        - description: High-frequency oscillator input, divided internally
71        - description: Low-frequency oscillator input
72
73    clock-names:
74      items:
75        - const: hosc
76        - const: losc
77
78  required:
79    - clock-names
80
81else:
82  properties:
83    clocks:
84      maxItems: 1
85
86unevaluatedProperties: false
87
88examples:
89  - |
90    wdt: watchdog@1c20c90 {
91        compatible = "allwinner,sun4i-a10-wdt";
92        reg = <0x01c20c90 0x10>;
93        interrupts = <24>;
94        clocks = <&osc24M>;
95        timeout-sec = <10>;
96    };
97
98...