diff --git a/configs/kmsupx5_defconfig b/configs/kmsupx5_defconfig
index d981e51..a231510 100644
--- a/configs/kmsupx5_defconfig
+++ b/configs/kmsupx5_defconfig
@@ -177,13 +177,10 @@
 CONFIG_SYS_BR2_PRELIM_BOOL=y
 CONFIG_SYS_BR2_PRELIM=0xA0000801
 CONFIG_SYS_OR2_PRELIM=0xF0000C25
-CONFIG_SYS_I2C_LEGACY=y
+CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_FSL=y
-CONFIG_SYS_FSL_I2C_OFFSET=0x3000
-CONFIG_SYS_FSL_HAS_I2C2_OFFSET=y
-CONFIG_SYS_FSL_I2C2_OFFSET=0x3100
-CONFIG_SYS_I2C_SLAVE=0x7F
-CONFIG_SYS_I2C_SPEED=200000
+CONFIG_I2C_MUX=y
+CONFIG_I2C_MUX_PCA954x=y
 # CONFIG_MMC is not set
 CONFIG_MTD=y
 CONFIG_MTD_NOR_FLASH=y