xref: /OK3568_Linux_fs/kernel/include/linux/rtc/ds1286.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 1998, 1999, 2003 Ralf Baechle
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * This file is subject to the terms and conditions of the GNU General Public
5*4882a593Smuzhiyun  * License.  See the file "COPYING" in the main directory of this archive
6*4882a593Smuzhiyun  * for more details.
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun #ifndef __LINUX_DS1286_H
9*4882a593Smuzhiyun #define __LINUX_DS1286_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /**********************************************************************
12*4882a593Smuzhiyun  * register summary
13*4882a593Smuzhiyun  **********************************************************************/
14*4882a593Smuzhiyun #define RTC_HUNDREDTH_SECOND	0
15*4882a593Smuzhiyun #define RTC_SECONDS		1
16*4882a593Smuzhiyun #define RTC_MINUTES		2
17*4882a593Smuzhiyun #define RTC_MINUTES_ALARM	3
18*4882a593Smuzhiyun #define RTC_HOURS		4
19*4882a593Smuzhiyun #define RTC_HOURS_ALARM		5
20*4882a593Smuzhiyun #define RTC_DAY			6
21*4882a593Smuzhiyun #define RTC_DAY_ALARM		7
22*4882a593Smuzhiyun #define RTC_DATE		8
23*4882a593Smuzhiyun #define RTC_MONTH		9
24*4882a593Smuzhiyun #define RTC_YEAR		10
25*4882a593Smuzhiyun #define RTC_CMD			11
26*4882a593Smuzhiyun #define RTC_WHSEC		12
27*4882a593Smuzhiyun #define RTC_WSEC		13
28*4882a593Smuzhiyun #define RTC_UNUSED		14
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun /* RTC_*_alarm is always true if 2 MSBs are set */
31*4882a593Smuzhiyun # define RTC_ALARM_DONT_CARE 	0xC0
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun /*
35*4882a593Smuzhiyun  * Bits in the month register
36*4882a593Smuzhiyun  */
37*4882a593Smuzhiyun #define RTC_EOSC		0x80
38*4882a593Smuzhiyun #define RTC_ESQW		0x40
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun /*
41*4882a593Smuzhiyun  * Bits in the Command register
42*4882a593Smuzhiyun  */
43*4882a593Smuzhiyun #define RTC_TDF			0x01
44*4882a593Smuzhiyun #define RTC_WAF			0x02
45*4882a593Smuzhiyun #define RTC_TDM			0x04
46*4882a593Smuzhiyun #define RTC_WAM			0x08
47*4882a593Smuzhiyun #define RTC_PU_LVL		0x10
48*4882a593Smuzhiyun #define RTC_IBH_LO		0x20
49*4882a593Smuzhiyun #define RTC_IPSW		0x40
50*4882a593Smuzhiyun #define RTC_TE			0x80
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun #endif /* __LINUX_DS1286_H */
53