1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/rtc/microchip,mfps-rtc.yaml#
5
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: Microchip PolarFire Soc (MPFS) RTC
9
10 allOf:
11 - $ref: rtc.yaml#
12
13 maintainers:
14 - Daire McNamara <daire.mcnamara@microchip.com>
15 - Lewis Hanly <lewis.hanly@microchip.com>
16
17 properties:
18 compatible:
19 enum:
20 - microchip,mpfs-rtc
21
22 reg:
23 maxItems: 1
24
25 interrupts:
26 items:
27 - description: |
28 RTC_WAKEUP interrupt
29 - description: |
30 RTC_MATCH, asserted when the content of the Alarm register is equal
31 to that of the RTC's count register.
32
33 clocks:
34 items:
35 - description: |
36 AHB clock
37 - description: |
38 Reference clock: divided by the prescaler to create a time-based
39 strobe (typically 1 Hz) for the calendar counter. By default, the rtc
40 on the PolarFire SoC shares it's reference with MTIMER so this will
41 be a 1 MHz clock.
42
43 clock-names:
44 items:
45 - const: rtc
46 - const: rtcref
47
48 required:
49 - compatible
50 - reg
51 - interrupts
52 - clocks
53 - clock-names
54
55 additionalProperties: false
56
57 examples:
58 - |
59 #include "dt-bindings/clock/microchip,mpfs-clock.h"
60 rtc@20124000 {
61 compatible = "microchip,mpfs-rtc";
62 reg = <0x20124000 0x1000>;
63 clocks = <&clkcfg CLK_RTC>, <&clkcfg CLK_RTCREF>;
64 clock-names = "rtc", "rtcref";
65 interrupts = <80>, <81>;
66 };
67 ...
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