-#define CONFIG_HARD_I2C
-#define CONFIG_I2C_MXC
-#define CONFIG_SYS_I2C_BASE I2C3_BASE_ADDR
-#define CONFIG_SYS_I2C_SPEED 100000
-#define CONFIG_SYS_I2C_SLAVE 0xfe
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_MXC
+#define CONFIG_SYS_I2C_MXC_I2C3 /* enable I2C bus 3 */
+#define CONFIG_SYS_SPD_BUS_NUM 2 /* I2C3 */
+#define CONFIG_SYS_MXC_I2C3_SLAVE 0xfe