266 lines
10 KiB
C
266 lines
10 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* rtc.h -- RTC driver for Wolfson WM8350 PMIC
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*
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* Copyright 2007 Wolfson Microelectronics PLC
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*/
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#ifndef __LINUX_MFD_WM8350_RTC_H
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#define __LINUX_MFD_WM8350_RTC_H
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#include <linux/platform_device.h>
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/*
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* Register values.
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*/
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#define WM8350_RTC_SECONDS_MINUTES 0x10
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#define WM8350_RTC_HOURS_DAY 0x11
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#define WM8350_RTC_DATE_MONTH 0x12
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#define WM8350_RTC_YEAR 0x13
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#define WM8350_ALARM_SECONDS_MINUTES 0x14
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#define WM8350_ALARM_HOURS_DAY 0x15
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#define WM8350_ALARM_DATE_MONTH 0x16
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#define WM8350_RTC_TIME_CONTROL 0x17
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/*
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* R16 (0x10) - RTC Seconds/Minutes
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*/
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#define WM8350_RTC_MINS_MASK 0x7F00
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#define WM8350_RTC_MINS_SHIFT 8
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#define WM8350_RTC_SECS_MASK 0x007F
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#define WM8350_RTC_SECS_SHIFT 0
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/*
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* R17 (0x11) - RTC Hours/Day
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*/
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#define WM8350_RTC_DAY_MASK 0x0700
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#define WM8350_RTC_DAY_SHIFT 8
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#define WM8350_RTC_HPM_MASK 0x0020
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#define WM8350_RTC_HPM_SHIFT 5
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#define WM8350_RTC_HRS_MASK 0x001F
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#define WM8350_RTC_HRS_SHIFT 0
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/* Bit values for R21 (0x15) */
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#define WM8350_RTC_DAY_SUN 1
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#define WM8350_RTC_DAY_MON 2
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#define WM8350_RTC_DAY_TUE 3
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#define WM8350_RTC_DAY_WED 4
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#define WM8350_RTC_DAY_THU 5
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#define WM8350_RTC_DAY_FRI 6
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#define WM8350_RTC_DAY_SAT 7
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#define WM8350_RTC_HPM_AM 0
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#define WM8350_RTC_HPM_PM 1
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/*
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* R18 (0x12) - RTC Date/Month
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*/
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#define WM8350_RTC_MTH_MASK 0x1F00
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#define WM8350_RTC_MTH_SHIFT 8
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#define WM8350_RTC_DATE_MASK 0x003F
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#define WM8350_RTC_DATE_SHIFT 0
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/* Bit values for R22 (0x16) */
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#define WM8350_RTC_MTH_JAN 1
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#define WM8350_RTC_MTH_FEB 2
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#define WM8350_RTC_MTH_MAR 3
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#define WM8350_RTC_MTH_APR 4
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#define WM8350_RTC_MTH_MAY 5
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#define WM8350_RTC_MTH_JUN 6
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#define WM8350_RTC_MTH_JUL 7
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#define WM8350_RTC_MTH_AUG 8
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#define WM8350_RTC_MTH_SEP 9
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#define WM8350_RTC_MTH_OCT 10
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#define WM8350_RTC_MTH_NOV 11
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#define WM8350_RTC_MTH_DEC 12
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#define WM8350_RTC_MTH_JAN_BCD 0x01
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#define WM8350_RTC_MTH_FEB_BCD 0x02
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#define WM8350_RTC_MTH_MAR_BCD 0x03
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#define WM8350_RTC_MTH_APR_BCD 0x04
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#define WM8350_RTC_MTH_MAY_BCD 0x05
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#define WM8350_RTC_MTH_JUN_BCD 0x06
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#define WM8350_RTC_MTH_JUL_BCD 0x07
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#define WM8350_RTC_MTH_AUG_BCD 0x08
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#define WM8350_RTC_MTH_SEP_BCD 0x09
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#define WM8350_RTC_MTH_OCT_BCD 0x10
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#define WM8350_RTC_MTH_NOV_BCD 0x11
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#define WM8350_RTC_MTH_DEC_BCD 0x12
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/*
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* R19 (0x13) - RTC Year
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*/
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#define WM8350_RTC_YHUNDREDS_MASK 0x3F00
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#define WM8350_RTC_YHUNDREDS_SHIFT 8
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#define WM8350_RTC_YUNITS_MASK 0x00FF
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#define WM8350_RTC_YUNITS_SHIFT 0
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/*
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* R20 (0x14) - Alarm Seconds/Minutes
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*/
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#define WM8350_RTC_ALMMINS_MASK 0x7F00
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#define WM8350_RTC_ALMMINS_SHIFT 8
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#define WM8350_RTC_ALMSECS_MASK 0x007F
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#define WM8350_RTC_ALMSECS_SHIFT 0
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/* Bit values for R20 (0x14) */
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#define WM8350_RTC_ALMMINS_DONT_CARE -1
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#define WM8350_RTC_ALMSECS_DONT_CARE -1
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/*
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* R21 (0x15) - Alarm Hours/Day
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*/
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#define WM8350_RTC_ALMDAY_MASK 0x0F00
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#define WM8350_RTC_ALMDAY_SHIFT 8
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#define WM8350_RTC_ALMHPM_MASK 0x0020
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#define WM8350_RTC_ALMHPM_SHIFT 5
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#define WM8350_RTC_ALMHRS_MASK 0x001F
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#define WM8350_RTC_ALMHRS_SHIFT 0
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/* Bit values for R21 (0x15) */
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#define WM8350_RTC_ALMDAY_DONT_CARE -1
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#define WM8350_RTC_ALMDAY_SUN 1
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#define WM8350_RTC_ALMDAY_MON 2
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#define WM8350_RTC_ALMDAY_TUE 3
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#define WM8350_RTC_ALMDAY_WED 4
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#define WM8350_RTC_ALMDAY_THU 5
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#define WM8350_RTC_ALMDAY_FRI 6
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#define WM8350_RTC_ALMDAY_SAT 7
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#define WM8350_RTC_ALMHPM_AM 0
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#define WM8350_RTC_ALMHPM_PM 1
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#define WM8350_RTC_ALMHRS_DONT_CARE -1
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/*
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* R22 (0x16) - Alarm Date/Month
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*/
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#define WM8350_RTC_ALMMTH_MASK 0x1F00
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#define WM8350_RTC_ALMMTH_SHIFT 8
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#define WM8350_RTC_ALMDATE_MASK 0x003F
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#define WM8350_RTC_ALMDATE_SHIFT 0
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/* Bit values for R22 (0x16) */
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#define WM8350_RTC_ALMDATE_DONT_CARE -1
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#define WM8350_RTC_ALMMTH_DONT_CARE -1
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#define WM8350_RTC_ALMMTH_JAN 1
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#define WM8350_RTC_ALMMTH_FEB 2
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#define WM8350_RTC_ALMMTH_MAR 3
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#define WM8350_RTC_ALMMTH_APR 4
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#define WM8350_RTC_ALMMTH_MAY 5
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#define WM8350_RTC_ALMMTH_JUN 6
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#define WM8350_RTC_ALMMTH_JUL 7
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#define WM8350_RTC_ALMMTH_AUG 8
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#define WM8350_RTC_ALMMTH_SEP 9
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#define WM8350_RTC_ALMMTH_OCT 10
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#define WM8350_RTC_ALMMTH_NOV 11
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#define WM8350_RTC_ALMMTH_DEC 12
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#define WM8350_RTC_ALMMTH_JAN_BCD 0x01
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#define WM8350_RTC_ALMMTH_FEB_BCD 0x02
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#define WM8350_RTC_ALMMTH_MAR_BCD 0x03
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#define WM8350_RTC_ALMMTH_APR_BCD 0x04
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#define WM8350_RTC_ALMMTH_MAY_BCD 0x05
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#define WM8350_RTC_ALMMTH_JUN_BCD 0x06
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#define WM8350_RTC_ALMMTH_JUL_BCD 0x07
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#define WM8350_RTC_ALMMTH_AUG_BCD 0x08
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#define WM8350_RTC_ALMMTH_SEP_BCD 0x09
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#define WM8350_RTC_ALMMTH_OCT_BCD 0x10
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#define WM8350_RTC_ALMMTH_NOV_BCD 0x11
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#define WM8350_RTC_ALMMTH_DEC_BCD 0x12
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/*
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* R23 (0x17) - RTC Time Control
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*/
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#define WM8350_RTC_BCD 0x8000
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#define WM8350_RTC_BCD_MASK 0x8000
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#define WM8350_RTC_BCD_SHIFT 15
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#define WM8350_RTC_12HR 0x4000
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#define WM8350_RTC_12HR_MASK 0x4000
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#define WM8350_RTC_12HR_SHIFT 14
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#define WM8350_RTC_DST 0x2000
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#define WM8350_RTC_DST_MASK 0x2000
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#define WM8350_RTC_DST_SHIFT 13
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#define WM8350_RTC_SET 0x0800
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#define WM8350_RTC_SET_MASK 0x0800
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#define WM8350_RTC_SET_SHIFT 11
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#define WM8350_RTC_STS 0x0400
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#define WM8350_RTC_STS_MASK 0x0400
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#define WM8350_RTC_STS_SHIFT 10
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#define WM8350_RTC_ALMSET 0x0200
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#define WM8350_RTC_ALMSET_MASK 0x0200
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#define WM8350_RTC_ALMSET_SHIFT 9
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#define WM8350_RTC_ALMSTS 0x0100
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#define WM8350_RTC_ALMSTS_MASK 0x0100
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#define WM8350_RTC_ALMSTS_SHIFT 8
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#define WM8350_RTC_PINT 0x0070
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#define WM8350_RTC_PINT_MASK 0x0070
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#define WM8350_RTC_PINT_SHIFT 4
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#define WM8350_RTC_DSW 0x000F
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#define WM8350_RTC_DSW_MASK 0x000F
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#define WM8350_RTC_DSW_SHIFT 0
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/* Bit values for R23 (0x17) */
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#define WM8350_RTC_BCD_BINARY 0
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#define WM8350_RTC_BCD_BCD 1
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#define WM8350_RTC_12HR_24HR 0
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#define WM8350_RTC_12HR_12HR 1
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#define WM8350_RTC_DST_DISABLED 0
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#define WM8350_RTC_DST_ENABLED 1
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#define WM8350_RTC_SET_RUN 0
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#define WM8350_RTC_SET_SET 1
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#define WM8350_RTC_STS_RUNNING 0
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#define WM8350_RTC_STS_STOPPED 1
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#define WM8350_RTC_ALMSET_RUN 0
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#define WM8350_RTC_ALMSET_SET 1
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#define WM8350_RTC_ALMSTS_RUNNING 0
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#define WM8350_RTC_ALMSTS_STOPPED 1
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#define WM8350_RTC_PINT_DISABLED 0
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#define WM8350_RTC_PINT_SECS 1
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#define WM8350_RTC_PINT_MINS 2
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#define WM8350_RTC_PINT_HRS 3
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#define WM8350_RTC_PINT_DAYS 4
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#define WM8350_RTC_PINT_MTHS 5
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#define WM8350_RTC_DSW_DISABLED 0
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#define WM8350_RTC_DSW_1HZ 1
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#define WM8350_RTC_DSW_2HZ 2
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#define WM8350_RTC_DSW_4HZ 3
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#define WM8350_RTC_DSW_8HZ 4
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#define WM8350_RTC_DSW_16HZ 5
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#define WM8350_RTC_DSW_32HZ 6
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#define WM8350_RTC_DSW_64HZ 7
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#define WM8350_RTC_DSW_128HZ 8
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#define WM8350_RTC_DSW_256HZ 9
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#define WM8350_RTC_DSW_512HZ 10
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#define WM8350_RTC_DSW_1024HZ 11
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/*
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* R218 (0xDA) - RTC Tick Control
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*/
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#define WM8350_RTC_TICKSTS 0x4000
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#define WM8350_RTC_CLKSRC 0x2000
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#define WM8350_RTC_TRIM_MASK 0x03FF
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/*
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* RTC Interrupts.
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*/
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#define WM8350_IRQ_RTC_PER 7
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#define WM8350_IRQ_RTC_SEC 8
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#define WM8350_IRQ_RTC_ALM 9
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struct wm8350_rtc {
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struct platform_device *pdev;
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struct rtc_device *rtc;
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int alarm_enabled; /* used over suspend/resume */
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int update_enabled;
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};
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#endif
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