1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/rtc/trivial-rtc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Trivial RTCs
8
9 maintainers:
10 - Alexandre Belloni <alexandre.belloni@bootlin.com>
11
12 description: |
13 This is a list of trivial RTC devices that have simple device tree
14 bindings, consisting only of a compatible field, an address and
15 possibly an interrupt line.
16
17 allOf:
18 - $ref: "rtc.yaml#"
19
20 properties:
21 compatible:
22 enum:
23 # AB-RTCMC-32.768kHz-B5ZE-S3: Real Time Clock/Calendar Module with I2C Interface
24 - abracon,abb5zes3
25 # AB-RTCMC-32.768kHz-EOZ9: Real Time Clock/Calendar Module with I2C Interface
26 - abracon,abeoz9
27 # I2C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output
28 - dallas,ds1374
29 # Dallas DS1672 Real-time Clock
30 - dallas,ds1672
31 # Extremely Accurate I²C RTC with Integrated Crystal and SRAM
32 - dallas,ds3232
33 # EM Microelectronic EM3027 RTC
34 - emmicro,em3027
35 # I2C-BUS INTERFACE REAL TIME CLOCK MODULE
36 - epson,rx8010
37 # I2C-BUS INTERFACE REAL TIME CLOCK MODULE
38 - epson,rx8025
39 - epson,rx8035
40 # I2C-BUS INTERFACE REAL TIME CLOCK MODULE with Battery Backed RAM
41 - epson,rx8571
42 # I2C-BUS INTERFACE REAL TIME CLOCK MODULE
43 - epson,rx8581
44 # Intersil ISL1208 Low Power RTC with Battery Backed SRAM
45 - isil,isl1208
46 # Intersil ISL1218 Low Power RTC with Battery Backed SRAM
47 - isil,isl1218
48 # Intersil ISL12022 Real-time Clock
49 - isil,isl12022
50 # Real Time Clock Module with I2C-Bus
51 - microcrystal,rv3028
52 # Real Time Clock Module with I2C-Bus
53 - microcrystal,rv3029
54 # Real Time Clock
55 - microcrystal,rv8523
56 - nxp,pca2129
57 - nxp,pcf2129
58 # Real-time Clock Module
59 - pericom,pt7c4338
60 # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
61 - ricoh,r2025sd
62 # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
63 - ricoh,r2221tl
64 # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
65 - ricoh,rs5c372a
66 # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
67 - ricoh,rs5c372b
68 # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
69 - ricoh,rv5c386
70 # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
71 - ricoh,rv5c387a
72 # 2-wire CMOS real-time clock
73 - sii,s35390a
74 # I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC
75 - whwave,sd3078
76 # Xircom X1205 I2C RTC
77 - xircom,x1205
78
79 reg:
80 maxItems: 1
81
82 interrupts:
83 maxItems: 1
84
85 start-year: true
86
87 required:
88 - compatible
89 - reg
90
91 additionalProperties: false
92
93 ...
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