diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index c5e1943e5427..4ff608dc03b7 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -404,7 +404,8 @@ CONFIG_RTC_DRV_OMAP=m
 CONFIG_DMADEVICES=y
 CONFIG_TI_EDMA=y
 CONFIG_DMA_OMAP=y
-# CONFIG_IOMMU_SUPPORT is not set
+CONFIG_IOMMU_SUPPORT=y
+CONFIG_OMAP_IOMMU=y
 CONFIG_EXTCON=m
 CONFIG_EXTCON_USB_GPIO=m
 CONFIG_EXTCON_PALMAS=m