blob: 73070e3e6b02c0d92b4dca05411758b9ce727c93 [file] [log] [blame]
Andre Renaud3c9fc8d2016-05-05 07:28:13 -06001/*
2 * Copyright (C) 2005 Ivan Kokshaysky
3 * Copyright (C) SAN People
4 *
5 * Real Time Clock (RTC) - System peripheral registers.
6 * Based on AT91RM9200 datasheet revision E.
7 *
8 * SPDX-License-Identifier: GPL-2.0+
9 */
10
11#ifndef AT91_RTC_H
12#define AT91_RTC_H
13
14/* Control Register */
15#define AT91_RTC_CR (ATMEL_BASE_RTC + 0x00)
16#define AT91_RTC_UPDTIM (1 << 0) /* Update Request Time */
17#define AT91_RTC_UPDCAL (1 << 1) /* Update Request Calendar */
18#define AT91_RTC_TIMEVSEL (3 << 8) /* Time Event Selection */
19#define AT91_RTC_TIMEVSEL_MINUTE (0 << 8)
20#define AT91_RTC_TIMEVSEL_HOUR (1 << 8)
21#define AT91_RTC_TIMEVSEL_DAY24 (2 << 8)
22#define AT91_RTC_TIMEVSEL_DAY12 (3 << 8)
23#define AT91_RTC_CALEVSEL (3 << 16) /* Calendar Event Selection */
24#define AT91_RTC_CALEVSEL_WEEK (0 << 16)
25#define AT91_RTC_CALEVSEL_MONTH (1 << 16)
26#define AT91_RTC_CALEVSEL_YEAR (2 << 16)
27
28#define AT91_RTC_MR (ATMEL_BASE_RTC + 0x04) /* Mode Register */
29#define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */
30
31#define AT91_RTC_TIMR (ATMEL_BASE_RTC + 0x08) /* Time Register */
32#define AT91_RTC_SEC (0x7f << 0) /* Current Second */
33#define AT91_RTC_MIN (0x7f << 8) /* Current Minute */
34#define AT91_RTC_HOUR (0x3f << 16) /* Current Hour */
35#define AT91_RTC_AMPM (1 << 22) /* AM/PM */
36
37#define AT91_RTC_CALR (ATMEL_BASE_RTC + 0x0c) /* Calendar Register */
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
44#define AT91_RTC_TIMALR (ATMEL_BASE_RTC + 0x10) /* Time Alarm */
45#define AT91_RTC_SECEN (1 << 7) /* Second Alarm Enab */
46#define AT91_RTC_MINEN (1 << 15) /* Minute Alarm Enab */
47#define AT91_RTC_HOUREN (1 << 23) /* Hour Alarm Enable */
48
49#define AT91_RTC_CALALR (ATMEL_BASE_RTC + 0x14) /* Calendar Alarm */
50#define AT91_RTC_MTHEN (1 << 23) /* Month Alarm Enable */
51#define AT91_RTC_DATEEN (1 << 31) /* Date Alarm Enable */
52
53#define AT91_RTC_SR (ATMEL_BASE_RTC + 0x18) /* Status Register */
54#define AT91_RTC_ACKUPD (1 << 0) /* Ack 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
60#define AT91_RTC_SCCR (ATMEL_BASE_RTC + 0x1c) /* Status Clear Cmd */
61#define AT91_RTC_IER (ATMEL_BASE_RTC + 0x20) /* Interrupt Enable */
62#define AT91_RTC_IDR (ATMEL_BASE_RTC + 0x24) /* Interrupt Disable */
63#define AT91_RTC_IMR (ATMEL_BASE_RTC + 0x28) /* Interrupt Mask */
64
65#define AT91_RTC_VER (ATMEL_BASE_RTC + 0x2c) /* Valid Entry */
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) /* .. Time Alarm */
69#define AT91_RTC_NVCALALR (1 << 3) /* .. Calendar Alarm */
70
71#endif