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 262struct 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