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+/*
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+ * arch/arm/plat-omap/include/plat/dmtimer.h
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+ *
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+ * OMAP Dual-Mode Timers
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+ *
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+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
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+ * Tarun Kanti DebBarma <tarun.kanti@ti.com>
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+ * Thara Gopinath <thara@ti.com>
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+ *
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+ * Platform device conversion and hwmod support.
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+ *
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+ * Copyright (C) 2005 Nokia Corporation
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+ * Author: Lauri Leukkunen <lauri.leukkunen@nokia.com>
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+ * PWM and clock framwork support by Timo Teras.
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the
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+ * Free Software Foundation; either version 2 of the License, or (at your
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+ * option) any later version.
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+ *
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+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+ *
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+ * You should have received a copy of the GNU General Public License along
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+ * with this program; if not, write to the Free Software Foundation, Inc.,
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+ * 675 Mass Ave, Cambridge, MA 02139, USA.
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+ */
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+
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+#include <linux/delay.h>
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+#include <linux/io.h>
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+#include <linux/platform_device.h>
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+
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+#ifndef __ASM_ARCH_DMTIMER_H
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+#define __ASM_ARCH_DMTIMER_H
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+
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+/* clock sources */
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+#define OMAP_TIMER_SRC_SYS_CLK 0x00
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+#define OMAP_TIMER_SRC_32_KHZ 0x01
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+#define OMAP_TIMER_SRC_EXT_CLK 0x02
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+
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+/* timer interrupt enable bits */
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+#define OMAP_TIMER_INT_CAPTURE (1 << 2)
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+#define OMAP_TIMER_INT_OVERFLOW (1 << 1)
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+#define OMAP_TIMER_INT_MATCH (1 << 0)
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+
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+/* trigger types */
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+#define OMAP_TIMER_TRIGGER_NONE 0x00
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+#define OMAP_TIMER_TRIGGER_OVERFLOW 0x01
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+#define OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE 0x02
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+
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+/* posted mode types */
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+#define OMAP_TIMER_NONPOSTED 0x00
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+#define OMAP_TIMER_POSTED 0x01
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+
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+/* timer capabilities used in hwmod database */
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朱涛