Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[uclinux-h8/linux.git] / drivers / iommu / Kconfig

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 73f918d..9fd2691 100644 (file)
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -339,6 +339,7 @@ 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 +353,16 @@ 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