X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=drivers%2Fiommu%2FKconfig;h=f1fb1d3ccc56e679dd72334b6f81195981fa17c1;hb=c63f887bdae80858c7cebf914f45f69bbaa88e8d;hp=73f918d066c628b7200f9a04700d932d38fe3c11;hpb=9ff3d178ab9e926b3194b266b4a28dc63226552d;p=cascardo%2Flinux.git

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 73f918d066c6..f1fb1d3ccc56 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -178,6 +178,9 @@ config OMAP_IOMMU
 	depends on ARM && MMU
 	depends on ARCH_OMAP2PLUS || COMPILE_TEST
 	select IOMMU_API
+	---help---
+	  The OMAP3 media platform drivers depend on iommu support,
+	  if you need them say Y here.
 
 config OMAP_IOMMU_DEBUG
 	bool "Export OMAP IOMMU internals in DebugFS"
@@ -339,6 +342,7 @@ config SPAPR_TCE_IOMMU
 	  Enables bits of IOMMU API required by VFIO. The iommu_ops
 	  is not implemented as it is not necessary for VFIO.
 
+# ARM IOMMU support
 config ARM_SMMU
 	bool "ARM Ltd. System MMU (SMMU) Support"
 	depends on (ARM64 || ARM) && MMU
@@ -352,4 +356,16 @@ config ARM_SMMU
 	  Say Y here if your SoC includes an IOMMU device implementing
 	  the ARM SMMU architecture.
 
+config ARM_SMMU_V3
+	bool "ARM Ltd. System MMU Version 3 (SMMUv3) Support"
+	depends on ARM64 && PCI
+	select IOMMU_API
+	select IOMMU_IO_PGTABLE_LPAE
+	help
+	  Support for implementations of the ARM System MMU architecture
+	  version 3 providing translation support to a PCIe root complex.
+
+	  Say Y here if your system includes an IOMMU device implementing
+	  the ARM SMMUv3 architecture.
+
 endif # IOMMU_SUPPORT