/************************************************************************************ * arch/arm/src/imx/imx_i2c.h * * Copyright (C) 2009 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 */