CHROMIUM: rtc: s5m-rtc: Real-time clock driver for s5m8767.
[cascardo/linux.git] / include / linux / mfd / s5m87xx / s5m-rtc.h
1 /*
2  * s5m-rtc.h
3  *
4  * Copyright (c) 2011 Samsung Electronics Co., Ltd
5  *              http://www.samsung.com
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  *
12  */
13
14 #ifndef __LINUX_MFD_S5M_RTC_H
15 #define __LINUX_MFD_S5M_RTC_H
16
17 enum s5m87xx_rtc_reg {
18         S5M87XX_RTC_SEC,
19         S5M87XX_RTC_MIN,
20         S5M87XX_RTC_HOUR,
21         S5M87XX_RTC_WEEKDAY,
22         S5M87XX_RTC_DATE,
23         S5M87XX_RTC_MONTH,
24         S5M87XX_RTC_YEAR1,
25         S5M87XX_RTC_YEAR2,
26         S5M87XX_ALARM0_SEC,
27         S5M87XX_ALARM0_MIN,
28         S5M87XX_ALARM0_HOUR,
29         S5M87XX_ALARM0_WEEKDAY,
30         S5M87XX_ALARM0_DATE,
31         S5M87XX_ALARM0_MONTH,
32         S5M87XX_ALARM0_YEAR1,
33         S5M87XX_ALARM0_YEAR2,
34         S5M87XX_ALARM1_SEC,
35         S5M87XX_ALARM1_MIN,
36         S5M87XX_ALARM1_HOUR,
37         S5M87XX_ALARM1_WEEKDAY,
38         S5M87XX_ALARM1_DATE,
39         S5M87XX_ALARM1_MONTH,
40         S5M87XX_ALARM1_YEAR1,
41         S5M87XX_ALARM1_YEAR2,
42         S5M87XX_ALARM0_CONF,
43         S5M87XX_ALARM1_CONF,
44         S5M87XX_RTC_STATUS,
45         S5M87XX_WTSR_SMPL_CNTL,
46         S5M87XX_RTC_UDR_CON,
47 };
48
49 #define RTC_I2C_ADDR            (0x0C >> 1)
50
51 #define HOUR_12                 (1 << 7)
52 #define HOUR_AMPM               (1 << 6)
53 #define HOUR_PM                 (1 << 5)
54 #define ALARM0_STATUS           (1 << 1)
55 #define ALARM1_STATUS           (1 << 2)
56 #define UPDATE_AD               (1 << 0)
57
58 /* RTC Control Register */
59 #define BCD_EN_SHIFT            0
60 #define BCD_EN_MASK             (1 << BCD_EN_SHIFT)
61 #define MODEL24_SHIFT           1
62 #define MODEL24_MASK            (1 << MODEL24_SHIFT)
63 /* RTC Update Register1 */
64 #define RTC_UDR_SHIFT           0
65 #define RTC_UDR_MASK            (1 << RTC_UDR_SHIFT)
66 #define RTC_TCON_SHIFT          1
67 #define RTC_TCON_MASK           (1 << RTC_TCON_SHIFT)
68 #define RTC_TIME_EN_SHIFT       3
69 #define RTC_TIME_EN_MASK        (1 << RTC_TIME_EN_SHIFT)
70
71 /* RTC Hour register */
72 #define HOUR_PM_SHIFT           6
73 #define HOUR_PM_MASK            (1 << HOUR_PM_SHIFT)
74 /* RTC Alarm Enable */
75 #define ALARM_ENABLE_SHIFT      7
76 #define ALARM_ENABLE_MASK       (1 << ALARM_ENABLE_SHIFT)
77
78 #define SMPL_ENABLE_SHIFT       7
79 #define SMPL_ENABLE_MASK        (1 << SMPL_ENABLE_SHIFT)
80
81 #define WTSR_ENABLE_SHIFT       6
82 #define WTSR_ENABLE_MASK        (1 << WTSR_ENABLE_SHIFT)
83
84 enum {
85         RTC_SEC = 0,
86         RTC_MIN,
87         RTC_HOUR,
88         RTC_WEEKDAY,
89         RTC_DATE,
90         RTC_MONTH,
91         RTC_YEAR1,
92         RTC_YEAR2,
93 };
94
95 #endif /*  __LINUX_MFD_S5M_RTC_H */