include/linux/mfd/samsung/rtc.h

   1 /* rtc.h
   2  *
   3  * Copyright (c) 2011-2014 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  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  */
  17
  18 #ifndef __LINUX_MFD_SEC_RTC_H
  19 #define __LINUX_MFD_SEC_RTC_H
  20
  21 enum s5m_rtc_reg {
  22         S5M_RTC_SEC,
  23         S5M_RTC_MIN,
  24         S5M_RTC_HOUR,
  25         S5M_RTC_WEEKDAY,
  26         S5M_RTC_DATE,
  27         S5M_RTC_MONTH,
  28         S5M_RTC_YEAR1,
  29         S5M_RTC_YEAR2,
  30         S5M_ALARM0_SEC,
  31         S5M_ALARM0_MIN,
  32         S5M_ALARM0_HOUR,
  33         S5M_ALARM0_WEEKDAY,
  34         S5M_ALARM0_DATE,
  35         S5M_ALARM0_MONTH,
  36         S5M_ALARM0_YEAR1,
  37         S5M_ALARM0_YEAR2,
  38         S5M_ALARM1_SEC,
  39         S5M_ALARM1_MIN,
  40         S5M_ALARM1_HOUR,
  41         S5M_ALARM1_WEEKDAY,
  42         S5M_ALARM1_DATE,
  43         S5M_ALARM1_MONTH,
  44         S5M_ALARM1_YEAR1,
  45         S5M_ALARM1_YEAR2,
  46         S5M_ALARM0_CONF,
  47         S5M_ALARM1_CONF,
  48         S5M_RTC_STATUS,
  49         S5M_WTSR_SMPL_CNTL,
  50         S5M_RTC_UDR_CON,
  51
  52         S5M_RTC_REG_MAX,
  53 };
  54
  55 enum s2mps_rtc_reg {
  56         S2MPS_RTC_CTRL,
  57         S2MPS_WTSR_SMPL_CNTL,
  58         S2MPS_RTC_UDR_CON,
  59         S2MPS_RSVD,
  60         S2MPS_RTC_SEC,
  61         S2MPS_RTC_MIN,
  62         S2MPS_RTC_HOUR,
  63         S2MPS_RTC_WEEKDAY,
  64         S2MPS_RTC_DATE,
  65         S2MPS_RTC_MONTH,
  66         S2MPS_RTC_YEAR,
  67         S2MPS_ALARM0_SEC,
  68         S2MPS_ALARM0_MIN,
  69         S2MPS_ALARM0_HOUR,
  70         S2MPS_ALARM0_WEEKDAY,
  71         S2MPS_ALARM0_DATE,
  72         S2MPS_ALARM0_MONTH,
  73         S2MPS_ALARM0_YEAR,
  74         S2MPS_ALARM1_SEC,
  75         S2MPS_ALARM1_MIN,
  76         S2MPS_ALARM1_HOUR,
  77         S2MPS_ALARM1_WEEKDAY,
  78         S2MPS_ALARM1_DATE,
  79         S2MPS_ALARM1_MONTH,
  80         S2MPS_ALARM1_YEAR,
  81         S2MPS_OFFSRC,
  82
  83         S2MPS_RTC_REG_MAX,
  84 };
  85
  86 #define RTC_I2C_ADDR            (0x0C >> 1)
  87
  88 #define HOUR_12                 (1 << 7)
  89 #define HOUR_AMPM               (1 << 6)
  90 #define HOUR_PM                 (1 << 5)
  91 #define S5M_ALARM0_STATUS       (1 << 1)
  92 #define S5M_ALARM1_STATUS       (1 << 2)
  93 #define S5M_UPDATE_AD           (1 << 0)
  94
  95 #define S2MPS_ALARM0_STATUS     (1 << 2)
  96 #define S2MPS_ALARM1_STATUS     (1 << 1)
  97
  98 /* RTC Control Register */
  99 #define BCD_EN_SHIFT            0
 100 #define BCD_EN_MASK             (1 << BCD_EN_SHIFT)
 101 #define MODEL24_SHIFT           1
 102 #define MODEL24_MASK            (1 << MODEL24_SHIFT)
 103 /* RTC Update Register1 */
 104 #define S5M_RTC_UDR_SHIFT       0
 105 #define S5M_RTC_UDR_MASK        (1 << S5M_RTC_UDR_SHIFT)
 106 #define S2MPS_RTC_WUDR_SHIFT    4
 107 #define S2MPS_RTC_WUDR_MASK     (1 << S2MPS_RTC_WUDR_SHIFT)
 108 #define S2MPS15_RTC_AUDR_SHIFT  4
 109 #define S2MPS15_RTC_AUDR_MASK   (1 << S2MPS15_RTC_AUDR_SHIFT)
 110 #define S2MPS13_RTC_AUDR_SHIFT  1
 111 #define S2MPS13_RTC_AUDR_MASK   (1 << S2MPS13_RTC_AUDR_SHIFT)
 112 #define S2MPS15_RTC_WUDR_SHIFT  1
 113 #define S2MPS15_RTC_WUDR_MASK   (1 << S2MPS15_RTC_WUDR_SHIFT)
 114 #define S2MPS_RTC_RUDR_SHIFT    0
 115 #define S2MPS_RTC_RUDR_MASK     (1 << S2MPS_RTC_RUDR_SHIFT)
 116 #define RTC_TCON_SHIFT          1
 117 #define RTC_TCON_MASK           (1 << RTC_TCON_SHIFT)
 118 #define S5M_RTC_TIME_EN_SHIFT   3
 119 #define S5M_RTC_TIME_EN_MASK    (1 << S5M_RTC_TIME_EN_SHIFT)
 120 /*
 121  * UDR_T field in S5M_RTC_UDR_CON register determines the time needed
 122  * for updating alarm and time registers. Default is 7.32 ms.
 123  */
 124 #define S5M_RTC_UDR_T_SHIFT     6
 125 #define S5M_RTC_UDR_T_MASK      (0x3 << S5M_RTC_UDR_T_SHIFT)
 126 #define S5M_RTC_UDR_T_7320_US   (0x0 << S5M_RTC_UDR_T_SHIFT)
 127 #define S5M_RTC_UDR_T_1830_US   (0x1 << S5M_RTC_UDR_T_SHIFT)
 128 #define S5M_RTC_UDR_T_3660_US   (0x2 << S5M_RTC_UDR_T_SHIFT)
 129 #define S5M_RTC_UDR_T_450_US    (0x3 << S5M_RTC_UDR_T_SHIFT)
 130
 131 /* RTC Hour register */
 132 #define HOUR_PM_SHIFT           6
 133 #define HOUR_PM_MASK            (1 << HOUR_PM_SHIFT)
 134 /* RTC Alarm Enable */
 135 #define ALARM_ENABLE_SHIFT      7
 136 #define ALARM_ENABLE_MASK       (1 << ALARM_ENABLE_SHIFT)
 137
 138 #define SMPL_ENABLE_SHIFT       7
 139 #define SMPL_ENABLE_MASK        (1 << SMPL_ENABLE_SHIFT)
 140
 141 #define WTSR_ENABLE_SHIFT       6
 142 #define WTSR_ENABLE_MASK        (1 << WTSR_ENABLE_SHIFT)
 143
 144 enum {
 145         RTC_SEC = 0,
 146         RTC_MIN,
 147         RTC_HOUR,
 148         RTC_WEEKDAY,
 149         RTC_DATE,
 150         RTC_MONTH,
 151         RTC_YEAR1,
 152         RTC_YEAR2,
 153 };
 154
 155 #endif /*  __LINUX_MFD_SEC_RTC_H */