1 /* 2 * rtc.h -- RTC driver for Wolfson WM8350 PMIC 3 * 4 * Copyright 2007 Wolfson Microelectronics PLC 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 #ifndef __LINUX_MFD_WM8350_RTC_H 13 #define __LINUX_MFD_WM8350_RTC_H 14 15 #include <linux/platform_device.h> 16 17 /* 18 * Register values. 19 */ 20 #define WM8350_RTC_SECONDS_MINUTES 0x10 21 #define WM8350_RTC_HOURS_DAY 0x11 22 #define WM8350_RTC_DATE_MONTH 0x12 23 #define WM8350_RTC_YEAR 0x13 24 #define WM8350_ALARM_SECONDS_MINUTES 0x14 25 #define WM8350_ALARM_HOURS_DAY 0x15 26 #define WM8350_ALARM_DATE_MONTH 0x16 27 #define WM8350_RTC_TIME_CONTROL 0x17 28 29 /* 30 * R16 (0x10) - RTC Seconds/Minutes 31 */ 32 #define WM8350_RTC_MINS_MASK 0x7F00 33 #define WM8350_RTC_MINS_SHIFT 8 34 #define WM8350_RTC_SECS_MASK 0x007F 35 #define WM8350_RTC_SECS_SHIFT 0 36 37 /* 38 * R17 (0x11) - RTC Hours/Day 39 */ 40 #define WM8350_RTC_DAY_MASK 0x0700 41 #define WM8350_RTC_DAY_SHIFT 8 42 #define WM8350_RTC_HPM_MASK 0x0020 43 #define WM8350_RTC_HPM_SHIFT 5 44 #define WM8350_RTC_HRS_MASK 0x001F 45 #define WM8350_RTC_HRS_SHIFT 0 46 47 /* Bit values for R21 (0x15) */ 48 #define WM8350_RTC_DAY_SUN 1 49 #define WM8350_RTC_DAY_MON 2 50 #define WM8350_RTC_DAY_TUE 3 51 #define WM8350_RTC_DAY_WED 4 52 #define WM8350_RTC_DAY_THU 5 53 #define WM8350_RTC_DAY_FRI 6 54 #define WM8350_RTC_DAY_SAT 7 55 56 #define WM8350_RTC_HPM_AM 0 57 #define WM8350_RTC_HPM_PM 1 58 59 /* 60 * R18 (0x12) - RTC Date/Month 61 */ 62 #define WM8350_RTC_MTH_MASK 0x1F00 63 #define WM8350_RTC_MTH_SHIFT 8 64 #define WM8350_RTC_DATE_MASK 0x003F 65 #define WM8350_RTC_DATE_SHIFT 0 66 67 /* Bit values for R22 (0x16) */ 68 #define WM8350_RTC_MTH_JAN 1 69 #define WM8350_RTC_MTH_FEB 2 70 #define WM8350_RTC_MTH_MAR 3 71 #define WM8350_RTC_MTH_APR 4 72 #define WM8350_RTC_MTH_MAY 5 73 #define WM8350_RTC_MTH_JUN 6 74 #define WM8350_RTC_MTH_JUL 7 75 #define WM8350_RTC_MTH_AUG 8 76 #define WM8350_RTC_MTH_SEP 9 77 #define WM8350_RTC_MTH_OCT 10 78 #define WM8350_RTC_MTH_NOV 11 79 #define WM8350_RTC_MTH_DEC 12 80 #define WM8350_RTC_MTH_JAN_BCD 0x01 81 #define WM8350_RTC_MTH_FEB_BCD 0x02 82 #define WM8350_RTC_MTH_MAR_BCD 0x03 83 #define WM8350_RTC_MTH_APR_BCD 0x04 84 #define WM8350_RTC_MTH_MAY_BCD 0x05 85 #define WM8350_RTC_MTH_JUN_BCD 0x06 86 #define WM8350_RTC_MTH_JUL_BCD 0x07 87 #define WM8350_RTC_MTH_AUG_BCD 0x08 88 #define WM8350_RTC_MTH_SEP_BCD 0x09 89 #define WM8350_RTC_MTH_OCT_BCD 0x10 90 #define WM8350_RTC_MTH_NOV_BCD 0x11 91 #define WM8350_RTC_MTH_DEC_BCD 0x12 92 93 /* 94 * R19 (0x13) - RTC Year 95 */ 96 #define WM8350_RTC_YHUNDREDS_MASK 0x3F00 97 #define WM8350_RTC_YHUNDREDS_SHIFT 8 98 #define WM8350_RTC_YUNITS_MASK 0x00FF 99 #define WM8350_RTC_YUNITS_SHIFT 0 100 101 /* 102 * R20 (0x14) - Alarm Seconds/Minutes 103 */ 104 #define WM8350_RTC_ALMMINS_MASK 0x7F00 105 #define WM8350_RTC_ALMMINS_SHIFT 8 106 #define WM8350_RTC_ALMSECS_MASK 0x007F 107 #define WM8350_RTC_ALMSECS_SHIFT 0 108 109 /* Bit values for R20 (0x14) */ 110 #define WM8350_RTC_ALMMINS_DONT_CARE -1 111 #define WM8350_RTC_ALMSECS_DONT_CARE -1 112 113 /* 114 * R21 (0x15) - Alarm Hours/Day 115 */ 116 #define WM8350_RTC_ALMDAY_MASK 0x0F00 117 #define WM8350_RTC_ALMDAY_SHIFT 8 118 #define WM8350_RTC_ALMHPM_MASK 0x0020 119 #define WM8350_RTC_ALMHPM_SHIFT 5 120 #define WM8350_RTC_ALMHRS_MASK 0x001F 121 #define WM8350_RTC_ALMHRS_SHIFT 0 122 123 /* Bit values for R21 (0x15) */ 124 #define WM8350_RTC_ALMDAY_DONT_CARE -1 125 #define WM8350_RTC_ALMDAY_SUN 1 126 #define WM8350_RTC_ALMDAY_MON 2 127 #define WM8350_RTC_ALMDAY_TUE 3 128 #define WM8350_RTC_ALMDAY_WED 4 129 #define WM8350_RTC_ALMDAY_THU 5 130 #define WM8350_RTC_ALMDAY_FRI 6 131 #define WM8350_RTC_ALMDAY_SAT 7 132 133 #define WM8350_RTC_ALMHPM_AM 0 134 #define WM8350_RTC_ALMHPM_PM 1 135 136 #define WM8350_RTC_ALMHRS_DONT_CARE -1 137 138 /* 139 * R22 (0x16) - Alarm Date/Month 140 */ 141 #define WM8350_RTC_ALMMTH_MASK 0x1F00 142 #define WM8350_RTC_ALMMTH_SHIFT 8 143 #define WM8350_RTC_ALMDATE_MASK 0x003F 144 #define WM8350_RTC_ALMDATE_SHIFT 0 145 146 /* Bit values for R22 (0x16) */ 147 #define WM8350_RTC_ALMDATE_DONT_CARE -1 148 149 #define WM8350_RTC_ALMMTH_DONT_CARE -1 150 #define WM8350_RTC_ALMMTH_JAN 1 151 #define WM8350_RTC_ALMMTH_FEB 2 152 #define WM8350_RTC_ALMMTH_MAR 3 153 #define WM8350_RTC_ALMMTH_APR 4 154 #define WM8350_RTC_ALMMTH_MAY 5 155 #define WM8350_RTC_ALMMTH_JUN 6 156 #define WM8350_RTC_ALMMTH_JUL 7 157 #define WM8350_RTC_ALMMTH_AUG 8 158 #define WM8350_RTC_ALMMTH_SEP 9 159 #define WM8350_RTC_ALMMTH_OCT 10 160 #define WM8350_RTC_ALMMTH_NOV 11 161 #define WM8350_RTC_ALMMTH_DEC 12 162 #define WM8350_RTC_ALMMTH_JAN_BCD 0x01 163 #define WM8350_RTC_ALMMTH_FEB_BCD 0x02 164 #define WM8350_RTC_ALMMTH_MAR_BCD 0x03 165 #define WM8350_RTC_ALMMTH_APR_BCD 0x04 166 #define WM8350_RTC_ALMMTH_MAY_BCD 0x05 167 #define WM8350_RTC_ALMMTH_JUN_BCD 0x06 168 #define WM8350_RTC_ALMMTH_JUL_BCD 0x07 169 #define WM8350_RTC_ALMMTH_AUG_BCD 0x08 170 #define WM8350_RTC_ALMMTH_SEP_BCD 0x09 171 #define WM8350_RTC_ALMMTH_OCT_BCD 0x10 172 #define WM8350_RTC_ALMMTH_NOV_BCD 0x11 173 #define WM8350_RTC_ALMMTH_DEC_BCD 0x12 174 175 /* 176 * R23 (0x17) - RTC Time Control 177 */ 178 #define WM8350_RTC_BCD 0x8000 179 #define WM8350_RTC_BCD_MASK 0x8000 180 #define WM8350_RTC_BCD_SHIFT 15 181 #define WM8350_RTC_12HR 0x4000 182 #define WM8350_RTC_12HR_MASK 0x4000 183 #define WM8350_RTC_12HR_SHIFT 14 184 #define WM8350_RTC_DST 0x2000 185 #define WM8350_RTC_DST_MASK 0x2000 186 #define WM8350_RTC_DST_SHIFT 13 187 #define WM8350_RTC_SET 0x0800 188 #define WM8350_RTC_SET_MASK 0x0800 189 #define WM8350_RTC_SET_SHIFT 11 190 #define WM8350_RTC_STS 0x0400 191 #define WM8350_RTC_STS_MASK 0x0400 192 #define WM8350_RTC_STS_SHIFT 10 193 #define WM8350_RTC_ALMSET 0x0200 194 #define WM8350_RTC_ALMSET_MASK 0x0200 195 #define WM8350_RTC_ALMSET_SHIFT 9 196 #define WM8350_RTC_ALMSTS 0x0100 197 #define WM8350_RTC_ALMSTS_MASK 0x0100 198 #define WM8350_RTC_ALMSTS_SHIFT 8 199 #define WM8350_RTC_PINT 0x0070 200 #define WM8350_RTC_PINT_MASK 0x0070 201 #define WM8350_RTC_PINT_SHIFT 4 202 #define WM8350_RTC_DSW 0x000F 203 #define WM8350_RTC_DSW_MASK 0x000F 204 #define WM8350_RTC_DSW_SHIFT 0 205 206 /* Bit values for R23 (0x17) */ 207 #define WM8350_RTC_BCD_BINARY 0 208 #define WM8350_RTC_BCD_BCD 1 209 210 #define WM8350_RTC_12HR_24HR 0 211 #define WM8350_RTC_12HR_12HR 1 212 213 #define WM8350_RTC_DST_DISABLED 0 214 #define WM8350_RTC_DST_ENABLED 1 215 216 #define WM8350_RTC_SET_RUN 0 217 #define WM8350_RTC_SET_SET 1 218 219 #define WM8350_RTC_STS_RUNNING 0 220 #define WM8350_RTC_STS_STOPPED 1 221 222 #define WM8350_RTC_ALMSET_RUN 0 223 #define WM8350_RTC_ALMSET_SET 1 224 225 #define WM8350_RTC_ALMSTS_RUNNING 0 226 #define WM8350_RTC_ALMSTS_STOPPED 1 227 228 #define WM8350_RTC_PINT_DISABLED 0 229 #define WM8350_RTC_PINT_SECS 1 230 #define WM8350_RTC_PINT_MINS 2 231 #define WM8350_RTC_PINT_HRS 3 232 #define WM8350_RTC_PINT_DAYS 4 233 #define WM8350_RTC_PINT_MTHS 5 234 235 #define WM8350_RTC_DSW_DISABLED 0 236 #define WM8350_RTC_DSW_1HZ 1 237 #define WM8350_RTC_DSW_2HZ 2 238 #define WM8350_RTC_DSW_4HZ 3 239 #define WM8350_RTC_DSW_8HZ 4 240 #define WM8350_RTC_DSW_16HZ 5 241 #define WM8350_RTC_DSW_32HZ 6 242 #define WM8350_RTC_DSW_64HZ 7 243 #define WM8350_RTC_DSW_128HZ 8 244 #define WM8350_RTC_DSW_256HZ 9 245 #define WM8350_RTC_DSW_512HZ 10 246 #define WM8350_RTC_DSW_1024HZ 11 247 248 /* 249 * R218 (0xDA) - RTC Tick Control 250 */ 251 #define WM8350_RTC_TICKSTS 0x4000 252 #define WM8350_RTC_CLKSRC 0x2000 253 #define WM8350_RTC_TRIM_MASK 0x03FF 254 255 /* 256 * RTC Interrupts. 257 */ 258 #define WM8350_IRQ_RTC_PER 7 259 #define WM8350_IRQ_RTC_SEC 8 260 #define WM8350_IRQ_RTC_ALM 9 261 262 struct wm8350_rtc { 263 struct platform_device *pdev; 264 struct rtc_device *rtc; 265 int alarm_enabled; /* used over suspend/resume */ 266 int update_enabled; 267 }; 268 269 #endif 270