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 266