diff options
Diffstat (limited to 'drivers/i2c-slave/mxc_i2c_slave_reg.h')
| -rw-r--r-- | drivers/i2c-slave/mxc_i2c_slave_reg.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/i2c-slave/mxc_i2c_slave_reg.h b/drivers/i2c-slave/mxc_i2c_slave_reg.h new file mode 100644 index 000000000000..52a04e06f810 --- /dev/null +++ b/drivers/i2c-slave/mxc_i2c_slave_reg.h @@ -0,0 +1,41 @@ +/* + * Copyright 2007-2010 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#ifndef __MXC_I2C_SLAVE_REG_H__ +#define __MXC_I2C_SLAVE_REG_H__ + +/* Address offsets of the I2C registers */ +#define MXC_IADR 0x00 /* Address Register */ +#define MXC_IFDR 0x04 /* Freq div register */ +#define MXC_I2CR 0x08 /* Control regsiter */ +#define MXC_I2SR 0x0C /* Status register */ +#define MXC_I2DR 0x10 /* Data I/O register */ + +/* Bit definitions of I2CR */ +#define MXC_I2CR_IEN 0x0080 +#define MXC_I2CR_IIEN 0x0040 +#define MXC_I2CR_MSTA 0x0020 +#define MXC_I2CR_MTX 0x0010 +#define MXC_I2CR_TXAK 0x0008 +#define MXC_I2CR_RSTA 0x0004 + +/* Bit definitions of I2SR */ +#define MXC_I2SR_ICF 0x0080 +#define MXC_I2SR_IAAS 0x0040 +#define MXC_I2SR_IBB 0x0020 +#define MXC_I2SR_IAL 0x0010 +#define MXC_I2SR_SRW 0x0004 +#define MXC_I2SR_IIF 0x0002 +#define MXC_I2SR_RXAK 0x0001 + +#endif /* __MXC_I2C_REG_H__ */ |