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 258struct 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