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i2c.h: Provide a default CONFIG_SYS_I2C_SLAVE value

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Many boards/controllers/drivers don't support an I2C slave interface,
however CONFIG_SYS_I2C_SLAVE is used in common code so provide a
default

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
This commit is contained in:
Peter Tyser
2009-04-24 15:34:05 -05:00
committed by Wolfgang Denk
parent e7563aff17
commit 9c90a2c8e8
5 changed files with 10 additions and 19 deletions
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14
include/i2c.h
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@ -78,16 +78,22 @@
#endif
#ifdef CONFIG_8xx
/* Set default values for the I2C bus speed and slave address on 8xx. In the
/* Set default value for the I2C bus speed on 8xx. In the
* future, we'll define these in all 8xx board config files.
*/
#ifndef CONFIG_SYS_I2C_SPEED
#define CONFIG_SYS_I2C_SPEED 50000
#endif
#ifndef CONFIG_SYS_I2C_SLAVE
#define CONFIG_SYS_I2C_SLAVE 0xFE
#endif
/*
* Many boards/controllers/drivers don't support an I2C slave interface so
* provide a default slave address for them for use in common code. A real
* value for CONFIG_SYS_I2C_SLAVE should be defined for any board which does
* support a slave interface.
*/
#ifndef CONFIG_SYS_I2C_SLAVE
#define CONFIG_SYS_I2C_SLAVE 0xfe
#endif
/*