diff options
Diffstat (limited to 'include/i2c.h')
| -rw-r--r-- | include/i2c.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/i2c.h b/include/i2c.h index a8f729afe..6e6c84531 100644 --- a/include/i2c.h +++ b/include/i2c.h @@ -46,6 +46,27 @@ */ #define I2C_RXTX_LEN 128 /* maximum tx/rx buffer length */ +#if defined(CONFIG_I2C_MULTI_BUS) +#define CFG_MAX_I2C_BUS 2 +#define I2C_GET_BUS() i2c_get_bus_num() +#define I2C_SET_BUS(a) i2c_set_bus_num(a) +#else +#define CFG_MAX_I2C_BUS 1 +#define I2C_GET_BUS() 0 +#define I2C_SET_BUS(a) +#endif + +/* define the I2C bus number for RTC and DTT if not already done */ +#if !defined(CFG_RTC_BUS_NUM) +#define CFG_RTC_BUS_NUM 0 +#endif +#if !defined(CFG_DTT_BUS_NUM) +#define CFG_DTT_BUS_NUM 0 +#endif +#if !defined(CFG_SPD_BUS_NUM) +#define CFG_SPD_BUS_NUM 0 +#endif + /* * Initialization, must be called once on start up, may be called * repeatedly to change the speed and slave addresses. |