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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
6171de8f | 2 | /* |
a09e64fb | 3 | * arch/arm/mach-at91/include/mach/at91_rtc.h |
6171de8f AV |
4 | * |
5 | * Copyright (C) 2005 Ivan Kokshaysky | |
6 | * Copyright (C) SAN People | |
7 | * | |
8 | * Real Time Clock (RTC) - System peripheral registers. | |
9 | * Based on AT91RM9200 datasheet revision E. | |
6171de8f AV |
10 | */ |
11 | ||
12 | #ifndef AT91_RTC_H | |
13 | #define AT91_RTC_H | |
14 | ||
d28bdfc5 | 15 | #define AT91_RTC_CR 0x00 /* Control Register */ |
6171de8f AV |
16 | #define AT91_RTC_UPDTIM (1 << 0) /* Update Request Time Register */ |
17 | #define AT91_RTC_UPDCAL (1 << 1) /* Update Request Calendar Register */ | |
18 | #define AT91_RTC_TIMEVSEL (3 << 8) /* Time Event Selection */ | |
19 | #define AT91_RTC_TIMEVSEL_MINUTE (0 << 8) | |
a14d5273 AV |
20 | #define AT91_RTC_TIMEVSEL_HOUR (1 << 8) |
21 | #define AT91_RTC_TIMEVSEL_DAY24 (2 << 8) | |
22 | #define AT91_RTC_TIMEVSEL_DAY12 (3 << 8) | |
6171de8f | 23 | #define AT91_RTC_CALEVSEL (3 << 16) /* Calendar Event Selection */ |
a14d5273 AV |
24 | #define AT91_RTC_CALEVSEL_WEEK (0 << 16) |
25 | #define AT91_RTC_CALEVSEL_MONTH (1 << 16) | |
26 | #define AT91_RTC_CALEVSEL_YEAR (2 << 16) | |
6171de8f | 27 | |
d28bdfc5 | 28 | #define AT91_RTC_MR 0x04 /* Mode Register */ |
a14d5273 | 29 | #define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */ |
6171de8f | 30 | |
d28bdfc5 | 31 | #define AT91_RTC_TIMR 0x08 /* Time Register */ |
6171de8f AV |
32 | #define AT91_RTC_SEC (0x7f << 0) /* Current Second */ |
33 | #define AT91_RTC_MIN (0x7f << 8) /* Current Minute */ | |
a14d5273 | 34 | #define AT91_RTC_HOUR (0x3f << 16) /* Current Hour */ |
6171de8f AV |
35 | #define AT91_RTC_AMPM (1 << 22) /* Ante Meridiem Post Meridiem Indicator */ |
36 | ||
d28bdfc5 | 37 | #define AT91_RTC_CALR 0x0c /* Calendar Register */ |
6171de8f AV |
38 | #define AT91_RTC_CENT (0x7f << 0) /* Current Century */ |
39 | #define AT91_RTC_YEAR (0xff << 8) /* Current Year */ | |
40 | #define AT91_RTC_MONTH (0x1f << 16) /* Current Month */ | |
41 | #define AT91_RTC_DAY (7 << 21) /* Current Day */ | |
42 | #define AT91_RTC_DATE (0x3f << 24) /* Current Date */ | |
43 | ||
d28bdfc5 | 44 | #define AT91_RTC_TIMALR 0x10 /* Time Alarm Register */ |
6171de8f AV |
45 | #define AT91_RTC_SECEN (1 << 7) /* Second Alarm Enable */ |
46 | #define AT91_RTC_MINEN (1 << 15) /* Minute Alarm Enable */ | |
47 | #define AT91_RTC_HOUREN (1 << 23) /* Hour Alarm Enable */ | |
48 | ||
d28bdfc5 | 49 | #define AT91_RTC_CALALR 0x14 /* Calendar Alarm Register */ |
6171de8f AV |
50 | #define AT91_RTC_MTHEN (1 << 23) /* Month Alarm Enable */ |
51 | #define AT91_RTC_DATEEN (1 << 31) /* Date Alarm Enable */ | |
52 | ||
d28bdfc5 | 53 | #define AT91_RTC_SR 0x18 /* Status Register */ |
6171de8f AV |
54 | #define AT91_RTC_ACKUPD (1 << 0) /* Acknowledge for Update */ |
55 | #define AT91_RTC_ALARM (1 << 1) /* Alarm Flag */ | |
56 | #define AT91_RTC_SECEV (1 << 2) /* Second Event */ | |
57 | #define AT91_RTC_TIMEV (1 << 3) /* Time Event */ | |
58 | #define AT91_RTC_CALEV (1 << 4) /* Calendar Event */ | |
59 | ||
d28bdfc5 JCPV |
60 | #define AT91_RTC_SCCR 0x1c /* Status Clear Command Register */ |
61 | #define AT91_RTC_IER 0x20 /* Interrupt Enable Register */ | |
62 | #define AT91_RTC_IDR 0x24 /* Interrupt Disable Register */ | |
e24b0bfa | 63 | #define AT91_RTC_IMR 0x28 /* Interrupt Mask Register */ |
6171de8f | 64 | |
d28bdfc5 | 65 | #define AT91_RTC_VER 0x2c /* Valid Entry Register */ |
6171de8f AV |
66 | #define AT91_RTC_NVTIM (1 << 0) /* Non valid Time */ |
67 | #define AT91_RTC_NVCAL (1 << 1) /* Non valid Calendar */ | |
68 | #define AT91_RTC_NVTIMALR (1 << 2) /* Non valid Time Alarm */ | |
69 | #define AT91_RTC_NVCALALR (1 << 3) /* Non valid Calendar Alarm */ | |
70 | ||
71 | #endif |