Merge tag 'iommu-updates-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git...

[karo-tx-linux.git] / drivers / iommu / Kconfig

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 01730b2b9954e21bd69208f51847b11f78246f5c..820d85c4a4a0f8c2b8fc813adfa30a07c529a953 100644 (file)
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -269,4 +269,17 @@ 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.
 
+config ARM_SMMU
+       bool "ARM Ltd. System MMU (SMMU) Support"
+       depends on ARM64 || (ARM_LPAE && OF)
+       select IOMMU_API
+       select ARM_DMA_USE_IOMMU if ARM
+       help
+         Support for implementations of the ARM System MMU architecture
+         versions 1 and 2. The driver supports both v7l and v8l table
+         formats with 4k and 64k page sizes.
+
+         Say Y here if your SoC includes an IOMMU device implementing
+         the ARM SMMU architecture.
+
 endif # IOMMU_SUPPORT