xref: /freebsd/sys/contrib/device-tree/Bindings/rtc/microcrystal,rv3032.yaml (revision 8d13bc63c0e1d50bc9e47ac1f26329c999bfecf0) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/rtc/microcrystal,rv3032.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Microchip RV-3032 RTC
8
9allOf:
10  - $ref: rtc.yaml#
11
12maintainers:
13  - Alexandre Belloni <alexandre.belloni@bootlin.com>
14
15properties:
16  compatible:
17    const: microcrystal,rv3032
18
19  reg:
20    maxItems: 1
21
22  interrupts:
23    maxItems: 1
24
25  start-year: true
26
27  trickle-resistor-ohms:
28    enum:
29      - 1000
30      - 2000
31      - 7000
32      - 11000
33
34  trickle-voltage-millivolt:
35    $ref: /schemas/types.yaml#/definitions/uint32
36    enum:
37      - 1750
38      - 3000
39      - 4400
40
41  wakeup-source: true
42
43required:
44  - compatible
45  - reg
46
47additionalProperties: false
48
49examples:
50  - |
51    #include <dt-bindings/interrupt-controller/irq.h>
52    i2c {
53        #address-cells = <1>;
54        #size-cells = <0>;
55
56        rtc@51 {
57            compatible = "microcrystal,rv3032";
58            reg = <0x51>;
59            pinctrl-0 = <&rtc_nint_pins>;
60            interrupts-extended = <&gpio1 16 IRQ_TYPE_LEVEL_HIGH>;
61            trickle-resistor-ohms = <7000>;
62            trickle-voltage-millivolt = <1750>;
63        };
64    };
65
66...
67