include/linux/mfd/samsung/rtc.h

   1 /*  rtc.h
   2  *
   3  * Copyright (c) 2011 Samsung Electronics Co., Ltd
   4  *              http://www.samsung.com
   5  *
   6  *  This program is free software; you can redistribute  it and/or modify it
   7  *  under  the terms of  the GNU General  Public License as published by the
   8  *  Free Software Foundation;  either version 2 of the  License, or (at your
   9  *  option) any later version.
  10  *
  11  */
  12
  13 #ifndef __LINUX_MFD_SEC_RTC_H
  14 #define __LINUX_MFD_SEC_RTC_H
  15
  16 enum sec_rtc_reg {
  17         SEC_RTC_SEC,
  18         SEC_RTC_MIN,
  19         SEC_RTC_HOUR,
  20         SEC_RTC_WEEKDAY,
  21         SEC_RTC_DATE,
  22         SEC_RTC_MONTH,
  23         SEC_RTC_YEAR1,
  24         SEC_RTC_YEAR2,
  25         SEC_ALARM0_SEC,
  26         SEC_ALARM0_MIN,
  27         SEC_ALARM0_HOUR,
  28         SEC_ALARM0_WEEKDAY,
  29         SEC_ALARM0_DATE,
  30         SEC_ALARM0_MONTH,
  31         SEC_ALARM0_YEAR1,
  32         SEC_ALARM0_YEAR2,
  33         SEC_ALARM1_SEC,
  34         SEC_ALARM1_MIN,
  35         SEC_ALARM1_HOUR,
  36         SEC_ALARM1_WEEKDAY,
  37         SEC_ALARM1_DATE,
  38         SEC_ALARM1_MONTH,
  39         SEC_ALARM1_YEAR1,
  40         SEC_ALARM1_YEAR2,
  41         SEC_ALARM0_CONF,
  42         SEC_ALARM1_CONF,
  43         SEC_RTC_STATUS,
  44         SEC_WTSR_SMPL_CNTL,
  45         SEC_RTC_UDR_CON,
  46 };
  47
  48 #define RTC_I2C_ADDR            (0x0C >> 1)
  49
  50 #define HOUR_12                 (1 << 7)
  51 #define HOUR_AMPM               (1 << 6)
  52 #define HOUR_PM                 (1 << 5)
  53 #define ALARM0_STATUS           (1 << 1)
  54 #define ALARM1_STATUS           (1 << 2)
  55 #define UPDATE_AD               (1 << 0)
  56
  57 /* RTC Control Register */
  58 #define BCD_EN_SHIFT            0
  59 #define BCD_EN_MASK             (1 << BCD_EN_SHIFT)
  60 #define MODEL24_SHIFT           1
  61 #define MODEL24_MASK            (1 << MODEL24_SHIFT)
  62 /* RTC Update Register1 */
  63 #define RTC_UDR_SHIFT           0
  64 #define RTC_UDR_MASK            (1 << RTC_UDR_SHIFT)
  65 #define RTC_TCON_SHIFT          1
  66 #define RTC_TCON_MASK           (1 << RTC_TCON_SHIFT)
  67 #define RTC_TIME_EN_SHIFT       3
  68 #define RTC_TIME_EN_MASK        (1 << RTC_TIME_EN_SHIFT)
  69
  70 /* RTC Hour register */
  71 #define HOUR_PM_SHIFT           6
  72 #define HOUR_PM_MASK            (1 << HOUR_PM_SHIFT)
  73 /* RTC Alarm Enable */
  74 #define ALARM_ENABLE_SHIFT      7
  75 #define ALARM_ENABLE_MASK       (1 << ALARM_ENABLE_SHIFT)
  76
  77 #define SMPL_ENABLE_SHIFT       7
  78 #define SMPL_ENABLE_MASK        (1 << SMPL_ENABLE_SHIFT)
  79
  80 #define WTSR_ENABLE_SHIFT       6
  81 #define WTSR_ENABLE_MASK        (1 << WTSR_ENABLE_SHIFT)
  82
  83 enum {
  84         RTC_SEC = 0,
  85         RTC_MIN,
  86         RTC_HOUR,
  87         RTC_WEEKDAY,
  88         RTC_DATE,
  89         RTC_MONTH,
  90         RTC_YEAR1,
  91         RTC_YEAR2,
  92 };
  93
  94 #endif /*  __LINUX_MFD_SEC_RTC_H */