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-rw-r--r--drivers/iommu/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index c332fb98480d..957cfd4f8065 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -261,4 +261,17 @@ config SHMOBILE_IOMMU_L1SIZE
default 256 if SHMOBILE_IOMMU_ADDRSIZE_64MB
default 128 if SHMOBILE_IOMMU_ADDRSIZE_32MB
+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