xref: /linux/Documentation/devicetree/bindings/rtc/renesas,rzn1-rtc.yaml (revision e78f70bad29c5ae1e1076698b690b15794e9b81e) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/rtc/renesas,rzn1-rtc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas RZ/N1 SoCs Real-Time Clock
8
9maintainers:
10  - Miquel Raynal <miquel.raynal@bootlin.com>
11
12allOf:
13  - $ref: rtc.yaml#
14
15properties:
16  compatible:
17    items:
18      - enum:
19          - renesas,r9a06g032-rtc
20      - const: renesas,rzn1-rtc
21
22  reg:
23    maxItems: 1
24
25  interrupts:
26    minItems: 3
27    maxItems: 3
28
29  interrupt-names:
30    items:
31      - const: alarm
32      - const: timer
33      - const: pps
34
35  clocks:
36    minItems: 1
37    maxItems: 2
38
39  clock-names:
40    minItems: 1
41    items:
42      - const: hclk
43      - const: xtal
44
45  power-domains:
46    maxItems: 1
47
48required:
49  - compatible
50  - reg
51  - interrupts
52  - interrupt-names
53  - clocks
54  - clock-names
55  - power-domains
56
57unevaluatedProperties: false
58
59examples:
60  - |
61    #include <dt-bindings/interrupt-controller/arm-gic.h>
62    #include <dt-bindings/clock/r9a06g032-sysctrl.h>
63    rtc@40006000 {
64       compatible = "renesas,r9a06g032-rtc", "renesas,rzn1-rtc";
65       reg = <0x40006000 0x1000>;
66       interrupts = <GIC_SPI 66 IRQ_TYPE_EDGE_RISING>,
67                    <GIC_SPI 67 IRQ_TYPE_EDGE_RISING>,
68                    <GIC_SPI 68 IRQ_TYPE_EDGE_RISING>;
69       interrupt-names = "alarm", "timer", "pps";
70       clocks = <&sysctrl R9A06G032_HCLK_RTC>;
71       clock-names = "hclk";
72       power-domains = <&sysctrl>;
73       start-year = <2000>;
74     };
75