diff --git a/configs/iot_devkit_defconfig b/configs/iot_devkit_defconfig
index 24bbe3f..42278d4 100644
--- a/configs/iot_devkit_defconfig
+++ b/configs/iot_devkit_defconfig
@@ -29,7 +29,9 @@
 # CONFIG_NET is not set
 CONFIG_DM=y
 CONFIG_MMC=y
+CONFIG_DM_MMC=y
 CONFIG_MMC_DW=y
+CONFIG_MMC_DW_SNPS=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y