include/asm-arm/arch-mx23/timrot.h

   1 /*
   2  * Copyright (C) 2008 Embedded Alley Solutions Inc.
   3  *
   4  * (C) Copyright 2009-2010 Freescale Semiconductor, Inc.
   5  *
   6  * Timers and rotary encoder register definitions
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22 #ifndef TIMROT_H
  23 #define TIMROT_H
  24
  25 #include <asm/arch/mx23.h>
  26
  27 #define TIMROT_BASE     (MX23_REGS_BASE + 0x00068000)
  28
  29 /* Timer and rotary encoder register offsets */
  30 #define ROTCTRL         0x0
  31 #define ROTCOUNT        0x10
  32 #define TIMCTRL0        0x20
  33 #define TIMCOUNT0       0x30
  34 #define TIMCTRL1        0x40
  35 #define TIMCOUNT1       0x50
  36 #define TIMCTRL2        0x60
  37 #define TIMCOUNT2       0x70
  38 #define TIMCTRL3        0x80
  39 #define TIMCTRL3        0x90
  40
  41 /* TIMCTRL bits, bit fields and values */
  42 #define TIMCTRL_SELECT          0
  43 #define TIMCTRL_PRESCALE        4
  44 #define TIMCTRL_RELOAD          (1 << 6)
  45 #define TIMCTRL_UPDATE          (1 << 7)
  46 #define TIMCTRL_POLARITY        (1 << 8)
  47 #define TIMCTRL_IRQEN           (1 << 14)
  48 #define TIMCTRL_IRQ             (1 << 15)
  49
  50 #define TIMCTRL_SELECT_PWM0     (0x1 << TIMCTRL_SELECT)
  51 #define TIMCTRL_SELECT_PWM1     (0x2 << TIMCTRL_SELECT)
  52 #define TIMCTRL_SELECT_PWM2     (0x3 << TIMCTRL_SELECT)
  53 #define TIMCTRL_SELECT_PWM3     (0x4 << TIMCTRL_SELECT)
  54 #define TIMCTRL_SELECT_PWM4     (0x5 << TIMCTRL_SELECT)
  55 #define TIMCTRL_SELECT_ROTARYA  (0x6 << TIMCTRL_SELECT)
  56 #define TIMCTRL_SELECT_ROTARYB  (0x7 << TIMCTRL_SELECT)
  57 #define TIMCTRL_SELECT_32KHZ    (0x8 << TIMCTRL_SELECT)
  58 #define TIMCTRL_SELECT_8KHZ     (0x9 << TIMCTRL_SELECT)
  59 #define TIMCTRL_SELECT_4KHZ     (0xa << TIMCTRL_SELECT)
  60 #define TIMCTRL_SELECT_1KHZ     (0xb << TIMCTRL_SELECT)
  61 #define TIMCTRL_SELECT_ALWAYS   (0xc << TIMCTRL_SELECT)
  62
  63 #endif /* TIMROT_H */