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