| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * rtc.h -- RTC driver for Wolfson WM8350 PMIC |
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| 4 | * |
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| 5 | * Copyright 2007 Wolfson Microelectronics PLC |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef __LINUX_MFD_WM8350_RTC_H |
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| 9 | #define __LINUX_MFD_WM8350_RTC_H |
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| 10 | |
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| 11 | #include <linux/platform_device.h> |
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| 12 | |
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| 13 | /* |
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| 14 | * Register values. |
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| 15 | */ |
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| 16 | #define WM8350_RTC_SECONDS_MINUTES 0x10 |
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| 17 | #define WM8350_RTC_HOURS_DAY 0x11 |
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| 18 | #define WM8350_RTC_DATE_MONTH 0x12 |
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| 19 | #define WM8350_RTC_YEAR 0x13 |
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| 20 | #define WM8350_ALARM_SECONDS_MINUTES 0x14 |
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| 21 | #define WM8350_ALARM_HOURS_DAY 0x15 |
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| 22 | #define WM8350_ALARM_DATE_MONTH 0x16 |
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| 23 | #define WM8350_RTC_TIME_CONTROL 0x17 |
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| 24 | |
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| 25 | /* |
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| 26 | * R16 (0x10) - RTC Seconds/Minutes |
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| 27 | */ |
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| 28 | #define WM8350_RTC_MINS_MASK 0x7F00 |
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| 29 | #define WM8350_RTC_MINS_SHIFT 8 |
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| 30 | #define WM8350_RTC_SECS_MASK 0x007F |
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| 31 | #define WM8350_RTC_SECS_SHIFT 0 |
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| 32 | |
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| 33 | /* |
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| 34 | * R17 (0x11) - RTC Hours/Day |
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| 35 | */ |
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| 36 | #define WM8350_RTC_DAY_MASK 0x0700 |
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| 37 | #define WM8350_RTC_DAY_SHIFT 8 |
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| 38 | #define WM8350_RTC_HPM_MASK 0x0020 |
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| 39 | #define WM8350_RTC_HPM_SHIFT 5 |
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| 40 | #define WM8350_RTC_HRS_MASK 0x001F |
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| 41 | #define WM8350_RTC_HRS_SHIFT 0 |
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| 42 | |
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| 43 | /* Bit values for R21 (0x15) */ |
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| 44 | #define WM8350_RTC_DAY_SUN 1 |
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| 45 | #define WM8350_RTC_DAY_MON 2 |
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| 46 | #define WM8350_RTC_DAY_TUE 3 |
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| 47 | #define WM8350_RTC_DAY_WED 4 |
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| 48 | #define WM8350_RTC_DAY_THU 5 |
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| 49 | #define WM8350_RTC_DAY_FRI 6 |
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| 50 | #define WM8350_RTC_DAY_SAT 7 |
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| 51 | |
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| 52 | #define WM8350_RTC_HPM_AM 0 |
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| 53 | #define WM8350_RTC_HPM_PM 1 |
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| 54 | |
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| 55 | /* |
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| 56 | * R18 (0x12) - RTC Date/Month |
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| 57 | */ |
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| 58 | #define WM8350_RTC_MTH_MASK 0x1F00 |
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| 59 | #define WM8350_RTC_MTH_SHIFT 8 |
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| 60 | #define WM8350_RTC_DATE_MASK 0x003F |
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| 61 | #define WM8350_RTC_DATE_SHIFT 0 |
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| 62 | |
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| 63 | /* Bit values for R22 (0x16) */ |
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| 64 | #define WM8350_RTC_MTH_JAN 1 |
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| 65 | #define WM8350_RTC_MTH_FEB 2 |
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| 66 | #define WM8350_RTC_MTH_MAR 3 |
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| 67 | #define WM8350_RTC_MTH_APR 4 |
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| 68 | #define WM8350_RTC_MTH_MAY 5 |
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| 69 | #define WM8350_RTC_MTH_JUN 6 |
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| 70 | #define WM8350_RTC_MTH_JUL 7 |
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| 71 | #define WM8350_RTC_MTH_AUG 8 |
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| 72 | #define WM8350_RTC_MTH_SEP 9 |
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| 73 | #define WM8350_RTC_MTH_OCT 10 |
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| 74 | #define WM8350_RTC_MTH_NOV 11 |
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| 75 | #define WM8350_RTC_MTH_DEC 12 |
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| 76 | #define WM8350_RTC_MTH_JAN_BCD 0x01 |
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| 77 | #define WM8350_RTC_MTH_FEB_BCD 0x02 |
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| 78 | #define WM8350_RTC_MTH_MAR_BCD 0x03 |
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| 79 | #define WM8350_RTC_MTH_APR_BCD 0x04 |
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| 80 | #define WM8350_RTC_MTH_MAY_BCD 0x05 |
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| 81 | #define WM8350_RTC_MTH_JUN_BCD 0x06 |
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| 82 | #define WM8350_RTC_MTH_JUL_BCD 0x07 |
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| 83 | #define WM8350_RTC_MTH_AUG_BCD 0x08 |
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| 84 | #define WM8350_RTC_MTH_SEP_BCD 0x09 |
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| 85 | #define WM8350_RTC_MTH_OCT_BCD 0x10 |
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| 86 | #define WM8350_RTC_MTH_NOV_BCD 0x11 |
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| 87 | #define WM8350_RTC_MTH_DEC_BCD 0x12 |
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| 88 | |
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| 89 | /* |
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| 90 | * R19 (0x13) - RTC Year |
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| 91 | */ |
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| 92 | #define WM8350_RTC_YHUNDREDS_MASK 0x3F00 |
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| 93 | #define WM8350_RTC_YHUNDREDS_SHIFT 8 |
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| 94 | #define WM8350_RTC_YUNITS_MASK 0x00FF |
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| 95 | #define WM8350_RTC_YUNITS_SHIFT 0 |
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| 96 | |
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| 97 | /* |
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| 98 | * R20 (0x14) - Alarm Seconds/Minutes |
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| 99 | */ |
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| 100 | #define WM8350_RTC_ALMMINS_MASK 0x7F00 |
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| 101 | #define WM8350_RTC_ALMMINS_SHIFT 8 |
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| 102 | #define WM8350_RTC_ALMSECS_MASK 0x007F |
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| 103 | #define WM8350_RTC_ALMSECS_SHIFT 0 |
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| 104 | |
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| 105 | /* Bit values for R20 (0x14) */ |
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| 106 | #define WM8350_RTC_ALMMINS_DONT_CARE -1 |
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| 107 | #define WM8350_RTC_ALMSECS_DONT_CARE -1 |
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| 108 | |
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| 109 | /* |
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| 110 | * R21 (0x15) - Alarm Hours/Day |
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| 111 | */ |
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| 112 | #define WM8350_RTC_ALMDAY_MASK 0x0F00 |
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| 113 | #define WM8350_RTC_ALMDAY_SHIFT 8 |
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| 114 | #define WM8350_RTC_ALMHPM_MASK 0x0020 |
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| 115 | #define WM8350_RTC_ALMHPM_SHIFT 5 |
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| 116 | #define WM8350_RTC_ALMHRS_MASK 0x001F |
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| 117 | #define WM8350_RTC_ALMHRS_SHIFT 0 |
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| 118 | |
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| 119 | /* Bit values for R21 (0x15) */ |
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| 120 | #define WM8350_RTC_ALMDAY_DONT_CARE -1 |
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| 121 | #define WM8350_RTC_ALMDAY_SUN 1 |
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| 122 | #define WM8350_RTC_ALMDAY_MON 2 |
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| 123 | #define WM8350_RTC_ALMDAY_TUE 3 |
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| 124 | #define WM8350_RTC_ALMDAY_WED 4 |
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| 125 | #define WM8350_RTC_ALMDAY_THU 5 |
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| 126 | #define WM8350_RTC_ALMDAY_FRI 6 |
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| 127 | #define WM8350_RTC_ALMDAY_SAT 7 |
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| 128 | |
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| 129 | #define WM8350_RTC_ALMHPM_AM 0 |
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| 130 | #define WM8350_RTC_ALMHPM_PM 1 |
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| 131 | |
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| 132 | #define WM8350_RTC_ALMHRS_DONT_CARE -1 |
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| 133 | |
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| 134 | /* |
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| 135 | * R22 (0x16) - Alarm Date/Month |
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| 136 | */ |
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| 137 | #define WM8350_RTC_ALMMTH_MASK 0x1F00 |
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| 138 | #define WM8350_RTC_ALMMTH_SHIFT 8 |
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| 139 | #define WM8350_RTC_ALMDATE_MASK 0x003F |
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| 140 | #define WM8350_RTC_ALMDATE_SHIFT 0 |
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| 141 | |
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| 142 | /* Bit values for R22 (0x16) */ |
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| 143 | #define WM8350_RTC_ALMDATE_DONT_CARE -1 |
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| 144 | |
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| 145 | #define WM8350_RTC_ALMMTH_DONT_CARE -1 |
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| 146 | #define WM8350_RTC_ALMMTH_JAN 1 |
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| 147 | #define WM8350_RTC_ALMMTH_FEB 2 |
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| 148 | #define WM8350_RTC_ALMMTH_MAR 3 |
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| 149 | #define WM8350_RTC_ALMMTH_APR 4 |
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| 150 | #define WM8350_RTC_ALMMTH_MAY 5 |
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| 151 | #define WM8350_RTC_ALMMTH_JUN 6 |
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| 152 | #define WM8350_RTC_ALMMTH_JUL 7 |
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| 153 | #define WM8350_RTC_ALMMTH_AUG 8 |
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| 154 | #define WM8350_RTC_ALMMTH_SEP 9 |
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| 155 | #define WM8350_RTC_ALMMTH_OCT 10 |
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| 156 | #define WM8350_RTC_ALMMTH_NOV 11 |
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| 157 | #define WM8350_RTC_ALMMTH_DEC 12 |
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| 158 | #define WM8350_RTC_ALMMTH_JAN_BCD 0x01 |
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| 159 | #define WM8350_RTC_ALMMTH_FEB_BCD 0x02 |
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| 160 | #define WM8350_RTC_ALMMTH_MAR_BCD 0x03 |
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| 161 | #define WM8350_RTC_ALMMTH_APR_BCD 0x04 |
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| 162 | #define WM8350_RTC_ALMMTH_MAY_BCD 0x05 |
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| 163 | #define WM8350_RTC_ALMMTH_JUN_BCD 0x06 |
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| 164 | #define WM8350_RTC_ALMMTH_JUL_BCD 0x07 |
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| 165 | #define WM8350_RTC_ALMMTH_AUG_BCD 0x08 |
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| 166 | #define WM8350_RTC_ALMMTH_SEP_BCD 0x09 |
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| 167 | #define WM8350_RTC_ALMMTH_OCT_BCD 0x10 |
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| 168 | #define WM8350_RTC_ALMMTH_NOV_BCD 0x11 |
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| 169 | #define WM8350_RTC_ALMMTH_DEC_BCD 0x12 |
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| 170 | |
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| 171 | /* |
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| 172 | * R23 (0x17) - RTC Time Control |
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| 173 | */ |
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| 174 | #define WM8350_RTC_BCD 0x8000 |
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| 175 | #define WM8350_RTC_BCD_MASK 0x8000 |
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| 176 | #define WM8350_RTC_BCD_SHIFT 15 |
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| 177 | #define WM8350_RTC_12HR 0x4000 |
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| 178 | #define WM8350_RTC_12HR_MASK 0x4000 |
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| 179 | #define WM8350_RTC_12HR_SHIFT 14 |
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| 180 | #define WM8350_RTC_DST 0x2000 |
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| 181 | #define WM8350_RTC_DST_MASK 0x2000 |
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| 182 | #define WM8350_RTC_DST_SHIFT 13 |
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| 183 | #define WM8350_RTC_SET 0x0800 |
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| 184 | #define WM8350_RTC_SET_MASK 0x0800 |
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| 185 | #define WM8350_RTC_SET_SHIFT 11 |
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| 186 | #define WM8350_RTC_STS 0x0400 |
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| 187 | #define WM8350_RTC_STS_MASK 0x0400 |
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| 188 | #define WM8350_RTC_STS_SHIFT 10 |
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| 189 | #define WM8350_RTC_ALMSET 0x0200 |
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| 190 | #define WM8350_RTC_ALMSET_MASK 0x0200 |
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| 191 | #define WM8350_RTC_ALMSET_SHIFT 9 |
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| 192 | #define WM8350_RTC_ALMSTS 0x0100 |
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| 193 | #define WM8350_RTC_ALMSTS_MASK 0x0100 |
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| 194 | #define WM8350_RTC_ALMSTS_SHIFT 8 |
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| 195 | #define WM8350_RTC_PINT 0x0070 |
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| 196 | #define WM8350_RTC_PINT_MASK 0x0070 |
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| 197 | #define WM8350_RTC_PINT_SHIFT 4 |
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| 198 | #define WM8350_RTC_DSW 0x000F |
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| 199 | #define WM8350_RTC_DSW_MASK 0x000F |
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| 200 | #define WM8350_RTC_DSW_SHIFT 0 |
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| 201 | |
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| 202 | /* Bit values for R23 (0x17) */ |
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| 203 | #define WM8350_RTC_BCD_BINARY 0 |
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| 204 | #define WM8350_RTC_BCD_BCD 1 |
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| 205 | |
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| 206 | #define WM8350_RTC_12HR_24HR 0 |
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| 207 | #define WM8350_RTC_12HR_12HR 1 |
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| 208 | |
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| 209 | #define WM8350_RTC_DST_DISABLED 0 |
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| 210 | #define WM8350_RTC_DST_ENABLED 1 |
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| 211 | |
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| 212 | #define WM8350_RTC_SET_RUN 0 |
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| 213 | #define WM8350_RTC_SET_SET 1 |
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| 214 | |
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| 215 | #define WM8350_RTC_STS_RUNNING 0 |
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| 216 | #define WM8350_RTC_STS_STOPPED 1 |
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| 217 | |
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| 218 | #define WM8350_RTC_ALMSET_RUN 0 |
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| 219 | #define WM8350_RTC_ALMSET_SET 1 |
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| 220 | |
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| 221 | #define WM8350_RTC_ALMSTS_RUNNING 0 |
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| 222 | #define WM8350_RTC_ALMSTS_STOPPED 1 |
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| 223 | |
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| 224 | #define WM8350_RTC_PINT_DISABLED 0 |
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| 225 | #define WM8350_RTC_PINT_SECS 1 |
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| 226 | #define WM8350_RTC_PINT_MINS 2 |
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| 227 | #define WM8350_RTC_PINT_HRS 3 |
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| 228 | #define WM8350_RTC_PINT_DAYS 4 |
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| 229 | #define WM8350_RTC_PINT_MTHS 5 |
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| 230 | |
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| 231 | #define WM8350_RTC_DSW_DISABLED 0 |
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| 232 | #define WM8350_RTC_DSW_1HZ 1 |
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| 233 | #define WM8350_RTC_DSW_2HZ 2 |
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| 234 | #define WM8350_RTC_DSW_4HZ 3 |
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| 235 | #define WM8350_RTC_DSW_8HZ 4 |
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| 236 | #define WM8350_RTC_DSW_16HZ 5 |
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| 237 | #define WM8350_RTC_DSW_32HZ 6 |
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| 238 | #define WM8350_RTC_DSW_64HZ 7 |
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| 239 | #define WM8350_RTC_DSW_128HZ 8 |
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| 240 | #define WM8350_RTC_DSW_256HZ 9 |
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| 241 | #define WM8350_RTC_DSW_512HZ 10 |
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| 242 | #define WM8350_RTC_DSW_1024HZ 11 |
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| 243 | |
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| 244 | /* |
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| 245 | * R218 (0xDA) - RTC Tick Control |
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| 246 | */ |
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| 247 | #define WM8350_RTC_TICKSTS 0x4000 |
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| 248 | #define WM8350_RTC_CLKSRC 0x2000 |
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| 249 | #define WM8350_RTC_TRIM_MASK 0x03FF |
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| 250 | |
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| 251 | /* |
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| 252 | * RTC Interrupts. |
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| 253 | */ |
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| 254 | #define WM8350_IRQ_RTC_PER 7 |
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| 255 | #define WM8350_IRQ_RTC_SEC 8 |
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| 256 | #define WM8350_IRQ_RTC_ALM 9 |
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| 257 | |
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| 258 | struct wm8350_rtc { |
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| 259 | struct platform_device *pdev; |
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| 260 | struct rtc_device *rtc; |
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| 261 | int alarm_enabled; /* used over suspend/resume */ |
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| 262 | int update_enabled; |
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| 263 | }; |
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| 264 | |
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| 265 | #endif |
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| 266 | |
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