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Tom Rini10e47792018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
Andre Renaud3c9fc8d2016-05-05 07:28:13 -06002/*
3 * Copyright (C) 2005 Ivan Kokshaysky
4 * Copyright (C) SAN People
5 *
6 * Real Time Clock (RTC) - System peripheral registers.
7 * Based on AT91RM9200 datasheet revision E.
Andre Renaud3c9fc8d2016-05-05 07:28:13 -06008 */
9
10#ifndef AT91_RTC_H
11#define AT91_RTC_H
12
13/* Control Register */
14#define AT91_RTC_CR (ATMEL_BASE_RTC + 0x00)
15#define AT91_RTC_UPDTIM (1 << 0) /* Update Request Time */
16#define AT91_RTC_UPDCAL (1 << 1) /* Update Request Calendar */
17#define AT91_RTC_TIMEVSEL (3 << 8) /* Time Event Selection */
18#define AT91_RTC_TIMEVSEL_MINUTE (0 << 8)
19#define AT91_RTC_TIMEVSEL_HOUR (1 << 8)
20#define AT91_RTC_TIMEVSEL_DAY24 (2 << 8)
21#define AT91_RTC_TIMEVSEL_DAY12 (3 << 8)
22#define AT91_RTC_CALEVSEL (3 << 16) /* Calendar Event Selection */
23#define AT91_RTC_CALEVSEL_WEEK (0 << 16)
24#define AT91_RTC_CALEVSEL_MONTH (1 << 16)
25#define AT91_RTC_CALEVSEL_YEAR (2 << 16)
26
27#define AT91_RTC_MR (ATMEL_BASE_RTC + 0x04) /* Mode Register */
28#define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */
29
30#define AT91_RTC_TIMR (ATMEL_BASE_RTC + 0x08) /* Time Register */
31#define AT91_RTC_SEC (0x7f << 0) /* Current Second */
32#define AT91_RTC_MIN (0x7f << 8) /* Current Minute */
33#define AT91_RTC_HOUR (0x3f << 16) /* Current Hour */
34#define AT91_RTC_AMPM (1 << 22) /* AM/PM */
35
36#define AT91_RTC_CALR (ATMEL_BASE_RTC + 0x0c) /* Calendar Register */
37#define AT91_RTC_CENT (0x7f << 0) /* Current Century */
38#define AT91_RTC_YEAR (0xff << 8) /* Current Year */
39#define AT91_RTC_MONTH (0x1f << 16) /* Current Month */
40#define AT91_RTC_DAY (7 << 21) /* Current Day */
41#define AT91_RTC_DATE (0x3f << 24) /* Current Date */
42
43#define AT91_RTC_TIMALR (ATMEL_BASE_RTC + 0x10) /* Time Alarm */
44#define AT91_RTC_SECEN (1 << 7) /* Second Alarm Enab */
45#define AT91_RTC_MINEN (1 << 15) /* Minute Alarm Enab */
46#define AT91_RTC_HOUREN (1 << 23) /* Hour Alarm Enable */
47
48#define AT91_RTC_CALALR (ATMEL_BASE_RTC + 0x14) /* Calendar Alarm */
49#define AT91_RTC_MTHEN (1 << 23) /* Month Alarm Enable */
50#define AT91_RTC_DATEEN (1 << 31) /* Date Alarm Enable */
51
52#define AT91_RTC_SR (ATMEL_BASE_RTC + 0x18) /* Status Register */
53#define AT91_RTC_ACKUPD (1 << 0) /* Ack for Update */
54#define AT91_RTC_ALARM (1 << 1) /* Alarm Flag */
55#define AT91_RTC_SECEV (1 << 2) /* Second Event */
56#define AT91_RTC_TIMEV (1 << 3) /* Time Event */
57#define AT91_RTC_CALEV (1 << 4) /* Calendar Event */
58
59#define AT91_RTC_SCCR (ATMEL_BASE_RTC + 0x1c) /* Status Clear Cmd */
60#define AT91_RTC_IER (ATMEL_BASE_RTC + 0x20) /* Interrupt Enable */
61#define AT91_RTC_IDR (ATMEL_BASE_RTC + 0x24) /* Interrupt Disable */
62#define AT91_RTC_IMR (ATMEL_BASE_RTC + 0x28) /* Interrupt Mask */
63
64#define AT91_RTC_VER (ATMEL_BASE_RTC + 0x2c) /* Valid Entry */
65#define AT91_RTC_NVTIM (1 << 0) /* Non-valid Time */
66#define AT91_RTC_NVCAL (1 << 1) /* Non-valid Calendar */
67#define AT91_RTC_NVTIMALR (1 << 2) /* .. Time Alarm */
68#define AT91_RTC_NVCALALR (1 << 3) /* .. Calendar Alarm */
69
70#endif