xref: /linux/Documentation/devicetree/bindings/rtc/intersil,isl12022.yaml (revision 88872790923e2d80edf29a00b4e440f1473fa8f5) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/rtc/intersil,isl12022.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Intersil ISL12022 Real-time Clock
8
9maintainers:
10  - Alexandre Belloni <alexandre.belloni@bootlin.com>
11
12properties:
13  compatible:
14    const: isil,isl12022
15
16  reg:
17    maxItems: 1
18
19  interrupts:
20    maxItems: 1
21
22  '#clock-cells':
23    const: 0
24
25  isil,battery-trip-levels-microvolt:
26    description:
27      The battery voltages at which the first alarm and second alarm
28      should trigger (normally ~85% and ~75% of nominal V_BAT).
29    items:
30      - enum: [2125000, 2295000, 2550000, 2805000, 3060000, 4250000, 4675000]
31      - enum: [1875000, 2025000, 2250000, 2475000, 2700000, 3750000, 4125000]
32
33required:
34  - compatible
35  - reg
36
37allOf:
38  - $ref: rtc.yaml#
39  # If #clock-cells is present, interrupts must not be present
40  - if:
41      required:
42        - '#clock-cells'
43    then:
44      properties:
45        interrupts: false
46
47unevaluatedProperties: 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@6f {
57            compatible = "isil,isl12022";
58            reg = <0x6f>;
59            interrupts-extended = <&gpio1 5 IRQ_TYPE_LEVEL_LOW>;
60            isil,battery-trip-levels-microvolt = <2550000>, <2250000>;
61        };
62    };
63
64...
65