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/* * rtc.h -- RTC driver for Wolfson WM8350 PMIC * * Copyright 2007 Wolfson Microelectronics PLC * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #ifndef __LINUX_MFD_WM8350_RTC_H #define __LINUX_MFD_WM8350_RTC_H #include <linux/platform_device.h> /* * Register values. */ #define WM8350_RTC_SECONDS_MINUTES 0x10 #define WM8350_RTC_HOURS_DAY 0x11 #define WM8350_RTC_DATE_MONTH 0x12 #define WM8350_RTC_YEAR 0x13 #define WM8350_ALARM_SECONDS_MINUTES 0x14 #define WM8350_ALARM_HOURS_DAY 0x15 #define WM8350_ALARM_DATE_MONTH 0x16 #define WM8350_RTC_TIME_CONTROL 0x17 /* * R16 (0x10) - RTC Seconds/Minutes */ #define WM8350_RTC_MINS_MASK 0x7F00 #define WM8350_RTC_MINS_SHIFT 8 #define WM8350_RTC_SECS_MASK 0x007F #define WM8350_RTC_SECS_SHIFT 0 /* * R17 (0x11) - RTC Hours/Day */ #define WM8350_RTC_DAY_MASK 0x0700 #define WM8350_RTC_DAY_SHIFT 8 #define WM8350_RTC_HPM_MASK 0x0020 #define WM8350_RTC_HPM_SHIFT 5 #define WM8350_RTC_HRS_MASK 0x001F #define WM8350_RTC_HRS_SHIFT 0 /* Bit values for R21 (0x15) */ #define WM8350_RTC_DAY_SUN 1 #define WM8350_RTC_DAY_MON 2 #define WM8350_RTC_DAY_TUE 3 #define WM8350_RTC_DAY_WED 4 #define WM8350_RTC_DAY_THU 5 #define WM8350_RTC_DAY_FRI 6 #define WM8350_RTC_DAY_SAT 7 #define WM8350_RTC_HPM_AM 0 #define WM8350_RTC_HPM_PM 1 /* * R18 (0x12) - RTC Date/Month */ #define WM8350_RTC_MTH_MASK 0x1F00 #define WM8350_RTC_MTH_SHIFT 8 #define WM8350_RTC_DATE_MASK 0x003F #define WM8350_RTC_DATE_SHIFT 0 /* Bit values for R22 (0x16) */ #define WM8350_RTC_MTH_JAN 1 #define WM8350_RTC_MTH_FEB 2 #define WM8350_RTC_MTH_MAR 3 #define WM8350_RTC_MTH_APR 4 #define WM8350_RTC_MTH_MAY 5 #define WM8350_RTC_MTH_JUN 6 #define WM8350_RTC_MTH_JUL 7 #define WM8350_RTC_MTH_AUG 8 #define WM8350_RTC_MTH_SEP 9 #define WM8350_RTC_MTH_OCT 10 #define WM8350_RTC_MTH_NOV 11 #define WM8350_RTC_MTH_DEC 12 #define WM8350_RTC_MTH_JAN_BCD 0x01 #define WM8350_RTC_MTH_FEB_BCD 0x02 #define WM8350_RTC_MTH_MAR_BCD 0x03 #define WM8350_RTC_MTH_APR_BCD 0x04 #define WM8350_RTC_MTH_MAY_BCD 0x05 #define WM8350_RTC_MTH_JUN_BCD 0x06 #define WM8350_RTC_MTH_JUL_BCD 0x07 #define WM8350_RTC_MTH_AUG_BCD 0x08 #define WM8350_RTC_MTH_SEP_BCD 0x09 #define WM8350_RTC_MTH_OCT_BCD 0x10 #define WM8350_RTC_MTH_NOV_BCD 0x11 #define WM8350_RTC_MTH_DEC_BCD 0x12 /* * R19 (0x13) - RTC Year */ #define WM8350_RTC_YHUNDREDS_MASK 0x3F00 #define WM8350_RTC_YHUNDREDS_SHIFT 8 #define WM8350_RTC_YUNITS_MASK 0x00FF #define WM8350_RTC_YUNITS_SHIFT 0 /* * R20 (0x14) - Alarm Seconds/Minutes */ #define WM8350_RTC_ALMMINS_MASK 0x7F00 #define WM8350_RTC_ALMMINS_SHIFT 8 #define WM8350_RTC_ALMSECS_MASK 0x007F #define WM8350_RTC_ALMSECS_SHIFT 0 /* Bit values for R20 (0x14) */ #define WM8350_RTC_ALMMINS_DONT_CARE -1 #define WM8350_RTC_ALMSECS_DONT_CARE -1 /* * R21 (0x15) - Alarm Hours/Day */ #define WM8350_RTC_ALMDAY_MASK 0x0F00 #define WM8350_RTC_ALMDAY_SHIFT 8 #define WM8350_RTC_ALMHPM_MASK 0x0020 #define WM8350_RTC_ALMHPM_SHIFT 5 #define WM8350_RTC_ALMHRS_MASK 0x001F #define WM8350_RTC_ALMHRS_SHIFT 0 /* Bit values for R21 (0x15) */ #define WM8350_RTC_ALMDAY_DONT_CARE -1 #define WM8350_RTC_ALMDAY_SUN 1 #define WM8350_RTC_ALMDAY_MON 2 #define WM8350_RTC_ALMDAY_TUE 3 #define WM8350_RTC_ALMDAY_WED 4 #define WM8350_RTC_ALMDAY_THU 5 #define WM8350_RTC_ALMDAY_FRI 6 #define WM8350_RTC_ALMDAY_SAT 7 #define WM8350_RTC_ALMHPM_AM 0 #define WM8350_RTC_ALMHPM_PM 1 #define WM8350_RTC_ALMHRS_DONT_CARE -1 /* * R22 (0x16) - Alarm Date/Month */ #define WM8350_RTC_ALMMTH_MASK 0x1F00 #define WM8350_RTC_ALMMTH_SHIFT 8 #define WM8350_RTC_ALMDATE_MASK 0x003F #define WM8350_RTC_ALMDATE_SHIFT 0 /* Bit values for R22 (0x16) */ #define WM8350_RTC_ALMDATE_DONT_CARE -1 #define WM8350_RTC_ALMMTH_DONT_CARE -1 #define WM8350_RTC_ALMMTH_JAN 1 #define WM8350_RTC_ALMMTH_FEB 2 #define WM8350_RTC_ALMMTH_MAR 3 #define WM8350_RTC_ALMMTH_APR 4 #define WM8350_RTC_ALMMTH_MAY 5 #define WM8350_RTC_ALMMTH_JUN 6 #define WM8350_RTC_ALMMTH_JUL 7 #define WM8350_RTC_ALMMTH_AUG 8 #define WM8350_RTC_ALMMTH_SEP 9 #define WM8350_RTC_ALMMTH_OCT 10 #define WM8350_RTC_ALMMTH_NOV 11 #define WM8350_RTC_ALMMTH_DEC 12 #define WM8350_RTC_ALMMTH_JAN_BCD 0x01 #define WM8350_RTC_ALMMTH_FEB_BCD 0x02 #define WM8350_RTC_ALMMTH_MAR_BCD 0x03 #define WM8350_RTC_ALMMTH_APR_BCD 0x04 #define WM8350_RTC_ALMMTH_MAY_BCD 0x05 #define WM8350_RTC_ALMMTH_JUN_BCD 0x06 #define WM8350_RTC_ALMMTH_JUL_BCD 0x07 #define WM8350_RTC_ALMMTH_AUG_BCD 0x08 #define WM8350_RTC_ALMMTH_SEP_BCD 0x09 #define WM8350_RTC_ALMMTH_OCT_BCD 0x10 #define WM8350_RTC_ALMMTH_NOV_BCD 0x11 #define WM8350_RTC_ALMMTH_DEC_BCD 0x12 /* * R23 (0x17) - RTC Time Control */ #define WM8350_RTC_BCD 0x8000 #define WM8350_RTC_BCD_MASK 0x8000 #define WM8350_RTC_BCD_SHIFT 15 #define WM8350_RTC_12HR 0x4000 #define WM8350_RTC_12HR_MASK 0x4000 #define WM8350_RTC_12HR_SHIFT 14 #define WM8350_RTC_DST 0x2000 #define WM8350_RTC_DST_MASK 0x2000 #define WM8350_RTC_DST_SHIFT 13 #define WM8350_RTC_SET 0x0800 #define WM8350_RTC_SET_MASK 0x0800 #define WM8350_RTC_SET_SHIFT 11 #define WM8350_RTC_STS 0x0400 #define WM8350_RTC_STS_MASK 0x0400 #define WM8350_RTC_STS_SHIFT 10 #define WM8350_RTC_ALMSET 0x0200 #define WM8350_RTC_ALMSET_MASK 0x0200 #define WM8350_RTC_ALMSET_SHIFT 9 #define WM8350_RTC_ALMSTS 0x0100 #define WM8350_RTC_ALMSTS_MASK 0x0100 #define WM8350_RTC_ALMSTS_SHIFT 8 #define WM8350_RTC_PINT 0x0070 #define WM8350_RTC_PINT_MASK 0x0070 #define WM8350_RTC_PINT_SHIFT 4 #define WM8350_RTC_DSW 0x000F #define WM8350_RTC_DSW_MASK 0x000F #define WM8350_RTC_DSW_SHIFT 0 /* Bit values for R23 (0x17) */ #define WM8350_RTC_BCD_BINARY 0 #define WM8350_RTC_BCD_BCD 1 #define WM8350_RTC_12HR_24HR 0 #define WM8350_RTC_12HR_12HR 1 #define WM8350_RTC_DST_DISABLED 0 #define WM8350_RTC_DST_ENABLED 1 #define WM8350_RTC_SET_RUN 0 #define WM8350_RTC_SET_SET 1 #define WM8350_RTC_STS_RUNNING 0 #define WM8350_RTC_STS_STOPPED 1 #define WM8350_RTC_ALMSET_RUN 0 #define WM8350_RTC_ALMSET_SET 1 #define WM8350_RTC_ALMSTS_RUNNING 0 #define WM8350_RTC_ALMSTS_STOPPED 1 #define WM8350_RTC_PINT_DISABLED 0 #define WM8350_RTC_PINT_SECS 1 #define WM8350_RTC_PINT_MINS 2 #define WM8350_RTC_PINT_HRS 3 #define WM8350_RTC_PINT_DAYS 4 #define WM8350_RTC_PINT_MTHS 5 #define WM8350_RTC_DSW_DISABLED 0 #define WM8350_RTC_DSW_1HZ 1 #define WM8350_RTC_DSW_2HZ 2 #define WM8350_RTC_DSW_4HZ 3 #define WM8350_RTC_DSW_8HZ 4 #define WM8350_RTC_DSW_16HZ 5 #define WM8350_RTC_DSW_32HZ 6 #define WM8350_RTC_DSW_64HZ 7 #define WM8350_RTC_DSW_128HZ 8 #define WM8350_RTC_DSW_256HZ 9 #define WM8350_RTC_DSW_512HZ 10 #define WM8350_RTC_DSW_1024HZ 11 /* * R218 (0xDA) - RTC Tick Control */ #define WM8350_RTC_TICKSTS 0x4000 #define WM8350_RTC_CLKSRC 0x2000 #define WM8350_RTC_TRIM_MASK 0x03FF /* * RTC Interrupts. */ #define WM8350_IRQ_RTC_PER 7 #define WM8350_IRQ_RTC_SEC 8 #define WM8350_IRQ_RTC_ALM 9 struct wm8350_rtc { struct platform_device *pdev; struct rtc_device *rtc; int alarm_enabled; /* used over suspend/resume */ int update_enabled; }; #endif