diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index c60395b..83e6d99 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -372,6 +372,14 @@
 	  Enables bits of IOMMU API required by VFIO. The iommu_ops
 	  is not implemented as it is not necessary for VFIO.
 
+config S390_AP_IOMMU
+	bool "S390 AP IOMMU Support"
+	depends on S390 && ZCRYPT
+	select IOMMU_API
+	help
+	  Enables bits of IOMMU API required by VFIO. The iommu_ops
+	  is not implemented as it is not necessary for VFIO.
+
 config MTK_IOMMU
 	bool "MTK IOMMU Support"
 	depends on ARM || ARM64