2 * Copyright (c) 2015 Luiz Otavio O Souza <loos@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * Maxim DS1307 RTC registers.
36 #define DS1307_SECS 0x00
37 #define DS1307_SECS_MASK 0x7f
38 #define DS1307_SECS_CH 0x80
39 #define MCP7941X_SECS_ST 0x80
40 #define DS1307_MINS 0x01
41 #define DS1307_MINS_MASK 0x7f
42 #define DS1307_HOUR 0x02
43 #define DS1307_HOUR_MASK_12HR 0x1f
44 #define DS1307_HOUR_MASK_24HR 0x3f
45 #define DS1307_HOUR_IS_PM 0x20
46 #define DS1307_HOUR_USE_AMPM 0x40
47 #define DS1307_WEEKDAY 0x03
48 #define MCP7941X_WEEKDAY_VBATEN 0x08
49 #define DS1307_WEEKDAY_MASK 0x07
50 #define DS1307_DATE 0x04
51 #define DS1307_DATE_MASK 0x3f
52 #define DS1307_MONTH 0x05
53 #define MCP7941X_MONTH_LPYR 0x20
54 #define DS1307_MONTH_MASK 0x1f
55 #define DS1307_YEAR 0x06
56 #define DS1307_YEAR_MASK 0xff
57 #define DS1307_CONTROL 0x07
58 #define DS1307_CTRL_OUT (1 << 7)
59 #define MCP7941X_CTRL_SQWE (1 << 6)
60 #define DS1307_CTRL_SQWE (1 << 4)
61 #define DS1307_CTRL_RS1 (1 << 1)
62 #define DS1307_CTRL_RS0 (1 << 0)
63 #define DS1307_CTRL_RS_MASK (DS1307_CTRL_RS1 | DS1307_CTRL_RS0)
64 #define DS1307_CTRL_MASK 0x93
66 #endif /* _DS1307REG_H_ */