*/
#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.
* Change the active I2C bus. Subsequent read/write calls will
* go to this one.
*
- * bus - bus index, zero based
+ * bus - bus index, zero based
*
- * Returns: 0 on success, not 0 on failure
+ * Returns: 0 on success, not 0 on failure
*
*/
int i2c_set_bus_num(unsigned int bus);
*
* Change the speed of the active I2C bus
*
- * speed - bus speed in Hz
+ * speed - bus speed in Hz
*
- * Returns: 0 on success, not 0 on failure
+ * Returns: 0 on success, not 0 on failure
*
*/
int i2c_set_bus_speed(unsigned int);