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| author | Yong Wu <yong.wu@mediatek.com> | 2016-02-23 01:20:50 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2016-02-25 16:49:08 +0100 |
| commit | 0df4fabe208d9576f2671d31e77cf46d20fdcd01 (patch) | |
| tree | 3acb1b77bfac4d81a71825f168b156343991b522 /drivers/iommu/Kconfig | |
| parent | cc8bbe1a83128ad06457e4dc69907c4f9a6fc1a7 (diff) | |
| download | linux-0df4fabe208d9576f2671d31e77cf46d20fdcd01.tar.bz2 | |
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/Kconfig | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index dc1aaa5d53e8..6df982f89f0c 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 |