xref: /linux/Documentation/devicetree/bindings/rtc/epson,rtc7301.yaml (revision 3df692169e8486fc3dd91fcd5ea81c27a0bac033) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/rtc/epson,rtc7301.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Epson Toyocom RTC-7301SF/DG
8
9description:
10  The only difference between the two variants is the packaging.
11  The DG variant is a DIL package, and the SF variant is a flat
12  package.
13
14maintainers:
15  - Akinobu Mita <akinobu.mita@gmail.com>
16
17properties:
18  compatible:
19    enum:
20      - epson,rtc7301dg
21      - epson,rtc7301sf
22
23  reg:
24    maxItems: 1
25
26  reg-io-width:
27    description:
28      The size (in bytes) of the IO accesses that should be performed
29      on the device.
30    enum: [1, 4]
31    default: 4
32
33  interrupts:
34    maxItems: 1
35
36required:
37  - compatible
38  - reg
39
40additionalProperties: false
41
42examples:
43  - |
44    #include <dt-bindings/interrupt-controller/irq.h>
45    rtc: rtc@44a00000 {
46        compatible = "epson,rtc7301dg";
47        reg = <0x44a00000 0x10000>;
48        reg-io-width = <4>;
49        interrupt-parent = <&axi_intc_0>;
50        interrupts = <3 2>;
51    };
52