diff --git a/configs/A20-Olimex-SOM204-EVB-eMMC_defconfig b/configs/A20-Olimex-SOM204-EVB-eMMC_defconfig
index 3d129f8..829e7bb 100644
--- a/configs/A20-Olimex-SOM204-EVB-eMMC_defconfig
+++ b/configs/A20-Olimex-SOM204-EVB-eMMC_defconfig
@@ -17,6 +17,8 @@
 CONFIG_SCSI_AHCI=y
 CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
 CONFIG_SYS_I2C_MVTWSI=y
+CONFIG_SYS_I2C_SLAVE=0x7f
+CONFIG_SYS_I2C_SPEED=400000
 CONFIG_PHY_ADDR=3
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y