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Diffstat (limited to 'include/asm-arm/arch-mx28/timrot.h')
| -rw-r--r-- | include/asm-arm/arch-mx28/timrot.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/asm-arm/arch-mx28/timrot.h b/include/asm-arm/arch-mx28/timrot.h new file mode 100644 index 0000000..ec9e716 --- /dev/null +++ b/include/asm-arm/arch-mx28/timrot.h @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2008 Embedded Alley Solutions Inc. + * + * (C) Copyright 2009 Freescale Semiconductor, Inc. + * + * Timers and rotary encoder register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef TIMROT_H +#define TIMROT_H + +#include <asm/arch/mx28.h> + +#define TIMROT_BASE (MX28_REGS_BASE + 0x00068000) + +/* Timer and rotary encoder register offsets */ +#define ROTCTRL 0x0 +#define ROTCOUNT 0x10 +#define TIMCTRL0 0x20 +#define TIMCOUNT0 0x30 +#define TIMCTRL1 0x40 +#define TIMCOUNT1 0x50 +#define TIMCTRL2 0x60 +#define TIMCOUNT2 0x70 +#define TIMCTRL3 0x80 +#define TIMCTRL3 0x90 + +/* TIMCTRL bits, bit fields and values */ +#define TIMCTRL_SELECT 0 +#define TIMCTRL_PRESCALE 4 +#define TIMCTRL_RELOAD (1 << 6) +#define TIMCTRL_UPDATE (1 << 7) +#define TIMCTRL_POLARITY (1 << 8) +#define TIMCTRL_IRQEN (1 << 14) +#define TIMCTRL_IRQ (1 << 15) + +#define TIMCTRL_SELECT_PWM0 (0x1 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_PWM1 (0x2 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_PWM2 (0x3 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_PWM3 (0x4 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_PWM4 (0x5 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_ROTARYA (0x6 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_ROTARYB (0x7 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_32KHZ (0x8 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_8KHZ (0x9 << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_4KHZ (0xa << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_1KHZ (0xb << TIMCTRL_SELECT) +#define TIMCTRL_SELECT_ALWAYS (0xc << TIMCTRL_SELECT) + +#endif /* TIMROT_H */ |