arch/arm/mach-at91/include/mach/at91_rtc.h

   1 /*
   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