tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/watchdog/renesas,r9a09g057-wdt.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas RZ/V2H(P) Watchdog Timer (WDT) Controller
8
9maintainers:
10 - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
11
12properties:
13 compatible:
14 oneOf:
15 - items:
16 - enum:
17 - renesas,r9a09g047-wdt # RZ/G3E
18 - renesas,r9a09g056-wdt # RZ/V2N
19 - const: renesas,r9a09g057-wdt # RZ/V2H(P)
20
21 - items:
22 - const: renesas,r9a09g087-wdt # RZ/N2H
23 - const: renesas,r9a09g077-wdt # RZ/T2H
24
25 - enum:
26 - renesas,r9a09g057-wdt # RZ/V2H(P)
27 - renesas,r9a09g077-wdt # RZ/T2H
28
29 reg:
30 minItems: 1
31 maxItems: 2
32
33 clocks:
34 minItems: 1
35 items:
36 - description: Register access clock
37 - description: Main clock
38
39 clock-names:
40 minItems: 1
41 items:
42 - const: pclk
43 - const: oscclk
44
45 power-domains:
46 maxItems: 1
47
48 resets:
49 maxItems: 1
50
51 timeout-sec: true
52
53required:
54 - compatible
55 - reg
56 - clocks
57 - clock-names
58 - power-domains
59
60allOf:
61 - $ref: watchdog.yaml#
62
63 - if:
64 properties:
65 compatible:
66 contains:
67 const: renesas,r9a09g057-wdt
68 then:
69 properties:
70 reg:
71 maxItems: 1
72 clocks:
73 minItems: 2
74 clock-names:
75 minItems: 2
76 else:
77 properties:
78 clocks:
79 maxItems: 1
80 clock-names:
81 maxItems: 1
82 reg:
83 minItems: 2
84 resets: false
85
86additionalProperties: false
87
88examples:
89 - |
90 #include <dt-bindings/clock/renesas,r9a09g057-cpg.h>
91
92 watchdog@11c00400 {
93 compatible = "renesas,r9a09g057-wdt";
94 reg = <0x11c00400 0x400>;
95 clocks = <&cpg CPG_MOD 0x4b>, <&cpg CPG_MOD 0x4c>;
96 clock-names = "pclk", "oscclk";
97 resets = <&cpg 0x75>;
98 power-domains = <&cpg>;
99 };