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authorYong Wu <yong.wu@mediatek.com>2016-02-23 01:20:50 +0800
committerJoerg Roedel <jroedel@suse.de>2016-02-25 16:49:08 +0100
commit0df4fabe208d9576f2671d31e77cf46d20fdcd01 (patch)
tree3acb1b77bfac4d81a71825f168b156343991b522 /drivers/iommu/Kconfig
parentcc8bbe1a83128ad06457e4dc69907c4f9a6fc1a7 (diff)
downloadop-kernel-dev-0df4fabe208d9576f2671d31e77cf46d20fdcd01.zip
op-kernel-dev-0df4fabe208d9576f2671d31e77cf46d20fdcd01.tar.gz
iommu/mediatek: Add mt8173 IOMMU driver
This patch adds support for mediatek m4u (MultiMedia Memory Management Unit). Signed-off-by: Yong Wu <yong.wu@mediatek.com> Reviewed-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/Kconfig')
-rw-r--r--drivers/iommu/Kconfig16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index dc1aaa5..6df982f 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -337,4 +337,20 @@ config S390_IOMMU
help
Support for the IOMMU API for s390 PCI devices.
+config MTK_IOMMU
+ bool "MTK IOMMU Support"
+ depends on ARM || ARM64
+ depends on ARCH_MEDIATEK || COMPILE_TEST
+ select IOMMU_API
+ select IOMMU_DMA
+ select IOMMU_IO_PGTABLE_ARMV7S
+ select MEMORY
+ select MTK_SMI
+ help
+ Support for the M4U on certain Mediatek SOCs. M4U is MultiMedia
+ Memory Management Unit. This option enables remapping of DMA memory
+ accesses for the multimedia subsystem.
+
+ If unsure, say N here.
+
endif # IOMMU_SUPPORT
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