include/linux/mfd/wm8350/rtc.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * rtc.h  --  RTC driver for Wolfson WM8350 PMIC
   4  *
   5  * Copyright 2007 Wolfson Microelectronics PLC
   6  */
   7
   8 #ifndef __LINUX_MFD_WM8350_RTC_H
   9 #define __LINUX_MFD_WM8350_RTC_H
  10
  11 #include <linux/platform_device.h>
  12
  13 /*
  14  * Register values.
  15  */
  16 #define WM8350_RTC_SECONDS_MINUTES              0x10
  17 #define WM8350_RTC_HOURS_DAY                    0x11
  18 #define WM8350_RTC_DATE_MONTH                   0x12
  19 #define WM8350_RTC_YEAR                         0x13
  20 #define WM8350_ALARM_SECONDS_MINUTES            0x14
  21 #define WM8350_ALARM_HOURS_DAY                  0x15
  22 #define WM8350_ALARM_DATE_MONTH                 0x16
  23 #define WM8350_RTC_TIME_CONTROL                 0x17
  24
  25 /*
  26  * R16 (0x10) - RTC Seconds/Minutes
  27  */
  28 #define WM8350_RTC_MINS_MASK                    0x7F00
  29 #define WM8350_RTC_MINS_SHIFT                        8
  30 #define WM8350_RTC_SECS_MASK                    0x007F
  31 #define WM8350_RTC_SECS_SHIFT                        0
  32
  33 /*
  34  * R17 (0x11) - RTC Hours/Day
  35  */
  36 #define WM8350_RTC_DAY_MASK                     0x0700
  37 #define WM8350_RTC_DAY_SHIFT                         8
  38 #define WM8350_RTC_HPM_MASK                     0x0020
  39 #define WM8350_RTC_HPM_SHIFT                         5
  40 #define WM8350_RTC_HRS_MASK                     0x001F
  41 #define WM8350_RTC_HRS_SHIFT                         0
  42
  43 /* Bit values for R21 (0x15) */
  44 #define WM8350_RTC_DAY_SUN                           1
  45 #define WM8350_RTC_DAY_MON                           2
  46 #define WM8350_RTC_DAY_TUE                           3
  47 #define WM8350_RTC_DAY_WED                           4
  48 #define WM8350_RTC_DAY_THU                           5
  49 #define WM8350_RTC_DAY_FRI                           6
  50 #define WM8350_RTC_DAY_SAT                           7
  51
  52 #define WM8350_RTC_HPM_AM                            0
  53 #define WM8350_RTC_HPM_PM                            1
  54
  55 /*
  56  * R18 (0x12) - RTC Date/Month
  57  */
  58 #define WM8350_RTC_MTH_MASK                     0x1F00
  59 #define WM8350_RTC_MTH_SHIFT                         8
  60 #define WM8350_RTC_DATE_MASK                    0x003F
  61 #define WM8350_RTC_DATE_SHIFT                        0
  62
  63 /* Bit values for R22 (0x16) */
  64 #define WM8350_RTC_MTH_JAN                           1
  65 #define WM8350_RTC_MTH_FEB                           2
  66 #define WM8350_RTC_MTH_MAR                           3
  67 #define WM8350_RTC_MTH_APR                           4
  68 #define WM8350_RTC_MTH_MAY                           5
  69 #define WM8350_RTC_MTH_JUN                           6
  70 #define WM8350_RTC_MTH_JUL                           7
  71 #define WM8350_RTC_MTH_AUG                           8
  72 #define WM8350_RTC_MTH_SEP                           9
  73 #define WM8350_RTC_MTH_OCT                          10
  74 #define WM8350_RTC_MTH_NOV                          11
  75 #define WM8350_RTC_MTH_DEC                          12
  76 #define WM8350_RTC_MTH_JAN_BCD                    0x01
  77 #define WM8350_RTC_MTH_FEB_BCD                    0x02
  78 #define WM8350_RTC_MTH_MAR_BCD                    0x03
  79 #define WM8350_RTC_MTH_APR_BCD                    0x04
  80 #define WM8350_RTC_MTH_MAY_BCD                    0x05
  81 #define WM8350_RTC_MTH_JUN_BCD                    0x06
  82 #define WM8350_RTC_MTH_JUL_BCD                    0x07
  83 #define WM8350_RTC_MTH_AUG_BCD                    0x08
  84 #define WM8350_RTC_MTH_SEP_BCD                    0x09
  85 #define WM8350_RTC_MTH_OCT_BCD                    0x10
  86 #define WM8350_RTC_MTH_NOV_BCD                    0x11
  87 #define WM8350_RTC_MTH_DEC_BCD                    0x12
  88
  89 /*
  90  * R19 (0x13) - RTC Year
  91  */
  92 #define WM8350_RTC_YHUNDREDS_MASK               0x3F00
  93 #define WM8350_RTC_YHUNDREDS_SHIFT                   8
  94 #define WM8350_RTC_YUNITS_MASK                  0x00FF
  95 #define WM8350_RTC_YUNITS_SHIFT                      0
  96
  97 /*
  98  * R20 (0x14) - Alarm Seconds/Minutes
  99  */
 100 #define WM8350_RTC_ALMMINS_MASK                 0x7F00
 101 #define WM8350_RTC_ALMMINS_SHIFT                     8
 102 #define WM8350_RTC_ALMSECS_MASK                 0x007F
 103 #define WM8350_RTC_ALMSECS_SHIFT                     0
 104
 105 /* Bit values for R20 (0x14) */
 106 #define WM8350_RTC_ALMMINS_DONT_CARE                -1
 107 #define WM8350_RTC_ALMSECS_DONT_CARE                -1
 108
 109 /*
 110  * R21 (0x15) - Alarm Hours/Day
 111  */
 112 #define WM8350_RTC_ALMDAY_MASK                  0x0F00
 113 #define WM8350_RTC_ALMDAY_SHIFT                      8
 114 #define WM8350_RTC_ALMHPM_MASK                  0x0020
 115 #define WM8350_RTC_ALMHPM_SHIFT                      5
 116 #define WM8350_RTC_ALMHRS_MASK                  0x001F
 117 #define WM8350_RTC_ALMHRS_SHIFT                      0
 118
 119 /* Bit values for R21 (0x15) */
 120 #define WM8350_RTC_ALMDAY_DONT_CARE                 -1
 121 #define WM8350_RTC_ALMDAY_SUN                        1
 122 #define WM8350_RTC_ALMDAY_MON                        2
 123 #define WM8350_RTC_ALMDAY_TUE                        3
 124 #define WM8350_RTC_ALMDAY_WED                        4
 125 #define WM8350_RTC_ALMDAY_THU                        5
 126 #define WM8350_RTC_ALMDAY_FRI                        6
 127 #define WM8350_RTC_ALMDAY_SAT                        7
 128
 129 #define WM8350_RTC_ALMHPM_AM                         0
 130 #define WM8350_RTC_ALMHPM_PM                         1
 131
 132 #define WM8350_RTC_ALMHRS_DONT_CARE                 -1
 133
 134 /*
 135  * R22 (0x16) - Alarm Date/Month
 136  */
 137 #define WM8350_RTC_ALMMTH_MASK                  0x1F00
 138 #define WM8350_RTC_ALMMTH_SHIFT                      8
 139 #define WM8350_RTC_ALMDATE_MASK                 0x003F
 140 #define WM8350_RTC_ALMDATE_SHIFT                     0
 141
 142 /* Bit values for R22 (0x16) */
 143 #define WM8350_RTC_ALMDATE_DONT_CARE                -1
 144
 145 #define WM8350_RTC_ALMMTH_DONT_CARE                 -1
 146 #define WM8350_RTC_ALMMTH_JAN                        1
 147 #define WM8350_RTC_ALMMTH_FEB                        2
 148 #define WM8350_RTC_ALMMTH_MAR                        3
 149 #define WM8350_RTC_ALMMTH_APR                        4
 150 #define WM8350_RTC_ALMMTH_MAY                        5
 151 #define WM8350_RTC_ALMMTH_JUN                        6
 152 #define WM8350_RTC_ALMMTH_JUL                        7
 153 #define WM8350_RTC_ALMMTH_AUG                        8
 154 #define WM8350_RTC_ALMMTH_SEP                        9
 155 #define WM8350_RTC_ALMMTH_OCT                       10
 156 #define WM8350_RTC_ALMMTH_NOV                       11
 157 #define WM8350_RTC_ALMMTH_DEC                       12
 158 #define WM8350_RTC_ALMMTH_JAN_BCD                 0x01
 159 #define WM8350_RTC_ALMMTH_FEB_BCD                 0x02
 160 #define WM8350_RTC_ALMMTH_MAR_BCD                 0x03
 161 #define WM8350_RTC_ALMMTH_APR_BCD                 0x04
 162 #define WM8350_RTC_ALMMTH_MAY_BCD                 0x05
 163 #define WM8350_RTC_ALMMTH_JUN_BCD                 0x06
 164 #define WM8350_RTC_ALMMTH_JUL_BCD                 0x07
 165 #define WM8350_RTC_ALMMTH_AUG_BCD                 0x08
 166 #define WM8350_RTC_ALMMTH_SEP_BCD                 0x09
 167 #define WM8350_RTC_ALMMTH_OCT_BCD                 0x10
 168 #define WM8350_RTC_ALMMTH_NOV_BCD                 0x11
 169 #define WM8350_RTC_ALMMTH_DEC_BCD                 0x12
 170
 171 /*
 172  * R23 (0x17) - RTC Time Control
 173  */
 174 #define WM8350_RTC_BCD                          0x8000
 175 #define WM8350_RTC_BCD_MASK                     0x8000
 176 #define WM8350_RTC_BCD_SHIFT                        15
 177 #define WM8350_RTC_12HR                         0x4000
 178 #define WM8350_RTC_12HR_MASK                    0x4000
 179 #define WM8350_RTC_12HR_SHIFT                       14
 180 #define WM8350_RTC_DST                          0x2000
 181 #define WM8350_RTC_DST_MASK                     0x2000
 182 #define WM8350_RTC_DST_SHIFT                        13
 183 #define WM8350_RTC_SET                          0x0800
 184 #define WM8350_RTC_SET_MASK                     0x0800
 185 #define WM8350_RTC_SET_SHIFT                        11
 186 #define WM8350_RTC_STS                          0x0400
 187 #define WM8350_RTC_STS_MASK                     0x0400
 188 #define WM8350_RTC_STS_SHIFT                        10
 189 #define WM8350_RTC_ALMSET                       0x0200
 190 #define WM8350_RTC_ALMSET_MASK                  0x0200
 191 #define WM8350_RTC_ALMSET_SHIFT                      9
 192 #define WM8350_RTC_ALMSTS                       0x0100
 193 #define WM8350_RTC_ALMSTS_MASK                  0x0100
 194 #define WM8350_RTC_ALMSTS_SHIFT                      8
 195 #define WM8350_RTC_PINT                         0x0070
 196 #define WM8350_RTC_PINT_MASK                    0x0070
 197 #define WM8350_RTC_PINT_SHIFT                        4
 198 #define WM8350_RTC_DSW                          0x000F
 199 #define WM8350_RTC_DSW_MASK                     0x000F
 200 #define WM8350_RTC_DSW_SHIFT                         0
 201
 202 /* Bit values for R23 (0x17) */
 203 #define WM8350_RTC_BCD_BINARY                        0
 204 #define WM8350_RTC_BCD_BCD                           1
 205
 206 #define WM8350_RTC_12HR_24HR                         0
 207 #define WM8350_RTC_12HR_12HR                         1
 208
 209 #define WM8350_RTC_DST_DISABLED                      0
 210 #define WM8350_RTC_DST_ENABLED                       1
 211
 212 #define WM8350_RTC_SET_RUN                           0
 213 #define WM8350_RTC_SET_SET                           1
 214
 215 #define WM8350_RTC_STS_RUNNING                       0
 216 #define WM8350_RTC_STS_STOPPED                       1
 217
 218 #define WM8350_RTC_ALMSET_RUN                        0
 219 #define WM8350_RTC_ALMSET_SET                        1
 220
 221 #define WM8350_RTC_ALMSTS_RUNNING                    0
 222 #define WM8350_RTC_ALMSTS_STOPPED                    1
 223
 224 #define WM8350_RTC_PINT_DISABLED                     0
 225 #define WM8350_RTC_PINT_SECS                         1
 226 #define WM8350_RTC_PINT_MINS                         2
 227 #define WM8350_RTC_PINT_HRS                          3
 228 #define WM8350_RTC_PINT_DAYS                         4
 229 #define WM8350_RTC_PINT_MTHS                         5
 230
 231 #define WM8350_RTC_DSW_DISABLED                      0
 232 #define WM8350_RTC_DSW_1HZ                           1
 233 #define WM8350_RTC_DSW_2HZ                           2
 234 #define WM8350_RTC_DSW_4HZ                           3
 235 #define WM8350_RTC_DSW_8HZ                           4
 236 #define WM8350_RTC_DSW_16HZ                          5
 237 #define WM8350_RTC_DSW_32HZ                          6
 238 #define WM8350_RTC_DSW_64HZ                          7
 239 #define WM8350_RTC_DSW_128HZ                         8
 240 #define WM8350_RTC_DSW_256HZ                         9
 241 #define WM8350_RTC_DSW_512HZ                        10
 242 #define WM8350_RTC_DSW_1024HZ                       11
 243
 244 /*
 245  * R218 (0xDA) - RTC Tick Control
 246  */
 247 #define WM8350_RTC_TICKSTS                      0x4000
 248 #define WM8350_RTC_CLKSRC                       0x2000
 249 #define WM8350_RTC_TRIM_MASK                    0x03FF
 250
 251 /*
 252  * RTC Interrupts.
 253  */
 254 #define WM8350_IRQ_RTC_PER                      7
 255 #define WM8350_IRQ_RTC_SEC                      8
 256 #define WM8350_IRQ_RTC_ALM                      9
 257
 258 struct wm8350_rtc {
 259         struct platform_device *pdev;
 260         struct rtc_device *rtc;
 261         int alarm_enabled;      /* used over suspend/resume */
 262         int update_enabled;
 263 };
 264
 265 #endif