X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=blobdiff_plain;f=drivers%2Fiommu%2FKconfig;h=f14f2e40107349de24fd5827d1e5f6d3d6e9ffea;hp=6e06f876d75a05c138ed9e0ff6967ed75ab66a89;hb=d8768d7eb9c21ef928adb93402d9348bcc4a6915;hpb=423d39d8518c1bba12e0889a92beeddbb1502392

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 6e06f876d75a..f14f2e401073 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -290,6 +290,20 @@ 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 APPLE_DART
+	tristate "Apple DART IOMMU Support"
+	depends on ARCH_APPLE || (COMPILE_TEST && !GENERIC_ATOMIC64)
+	select IOMMU_API
+	select IOMMU_IO_PGTABLE_LPAE
+	default ARCH_APPLE
+	help
+	  Support for Apple DART (Device Address Resolution Table) IOMMUs
+	  found in Apple ARM SoCs like the M1.
+	  This IOMMU is required for most peripherals using DMA to access
+	  the main memory.
+
+	  Say Y here if you are using an Apple SoC.
+
 # ARM IOMMU support
 config ARM_SMMU
 	tristate "ARM Ltd. System MMU (SMMU) Support"