diff options
Diffstat (limited to 'include/asm-ppc/i2c.h')
| -rw-r--r-- | include/asm-ppc/i2c.h | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/include/asm-ppc/i2c.h b/include/asm-ppc/i2c.h index 2ae33670f..baf9d9a26 100644 --- a/include/asm-ppc/i2c.h +++ b/include/asm-ppc/i2c.h @@ -79,6 +79,12 @@ typedef struct i2c #endif #define I2C_TIMEOUT (CFG_HZ/4) +enum I2C_BUS_NUM +{ + I2C_BUS_1 = 0, + I2C_BUS_2, +}; + #ifndef CFG_IMMRBAR #error CFG_IMMRBAR is not defined in /include/configs/${BOARD}.h #endif @@ -87,15 +93,12 @@ typedef struct i2c #error CFG_I2C_OFFSET is not defined in /include/configs/${BOARD}.h #endif -#if defined(CONFIG_MPC8349EMDS) || defined(CONFIG_TQM834X) -/* - * MPC8349 have two i2c bus - */ -extern i2c_t * mpc83xx_i2c; -#define I2C mpc83xx_i2c -#else -#define I2C ((i2c_t*)(CFG_IMMRBAR + CFG_I2C_OFFSET)) -#endif +#define I2C_1 ((i2c_t*)(CFG_IMMRBAR + CFG_I2C_OFFSET)) + +/* Optional support for second I2C bus */ +#ifdef CFG_I2C2_OFFSET +#define I2C_2 ((i2c_t*)(CFG_IMMRBAR + CFG_I2C2_OFFSET)) +#endif /* CFG_I2C2_OFFSET */ #define I2C_READ 1 #define I2C_WRITE 0 |