1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/rtc/loongson,rtc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Loongson Real-Time Clock
8
9 description:
10 The Loongson family chips use an on-chip counter 0 (Time Of Year
11 counter) as the RTC.
12
13 maintainers:
14 - Binbin Zhou <zhoubinbin@loongson.cn>
15
16 allOf:
17 - $ref: rtc.yaml#
18
19 properties:
20 compatible:
21 oneOf:
22 - enum:
23 - loongson,ls1b-rtc
24 - loongson,ls1c-rtc
25 - loongson,ls7a-rtc
26 - loongson,ls2k1000-rtc
27 - items:
28 - enum:
29 - loongson,ls2k2000-rtc
30 - loongson,ls2k0500-rtc
31 - const: loongson,ls7a-rtc
32
33 reg:
34 maxItems: 1
35
36 interrupts:
37 maxItems: 1
38
39 required:
40 - compatible
41 - reg
42
43 unevaluatedProperties: false
44
45 examples:
46 - |
47 #include <dt-bindings/interrupt-controller/irq.h>
48
49 rtc@1fe27800 {
50 compatible = "loongson,ls2k1000-rtc";
51 reg = <0x1fe27800 0x100>;
52
53 interrupt-parent = <&liointc1>;
54 interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
55 };
56
57 ...
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