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diff --git a/nuttx/arch/arm/src/imx/imx_i2c.h b/nuttx/arch/arm/src/imx/imx_i2c.h
new file mode 100755
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+++ b/nuttx/arch/arm/src/imx/imx_i2c.h
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+/************************************************************************************
+ * arch/arm/src/imx/imx_i2c.h
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __ARCH_ARM_IMX_I2C_H
+#define __ARCH_ARM_IMX_I2C_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+ 
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/* I2C Register Offsets *************************************************************/
+
+#define I2C_IADR_OFFSET             0x0000
+#define I2C_IFDR_OFFSET             0x0004
+#define I2C_I2CR_OFFSET             0x0008
+#define I2C_I2SR_OFFSET             0x000c
+#define I2C_I2DR_OFFSET             0x0010
+
+/* I2C Register Addresses ***********************************************************/
+
+#define IMX_I2C_IADR                (IMX_I2C_VBASE + I2C_IADR_OFFSET) 
+#define IMX_I2C_IFDR                (IMX_I2C_VBASE + I2C_IFDR_OFFSET)
+#define IMX_I2C_I2CR                (IMX_I2C_VBASE + I2C_I2CR_OFFSET)
+#define IMX_I2C_I2SR                (IMX_I2C_VBASE + I2C_I2SR_OFFSET) 
+#define IMX_I2C_I2DR                (IMX_I2C_VBASE + I2C_I2DR_OFFSET) 
+
+/* I2C Register Bit Definitions *****************************************************/
+
+/************************************************************************************
+ * Inline Functions
+ ************************************************************************************/
+
+#endif  /* __ARCH_ARM_IMX_I2C_H */