Exynos IOMMU Support

modulename: exynos-iommu.ko

configname: CONFIG_EXYNOS_IOMMU

Linux Kernel Configuration
└─>Device Drivers
└─>IOMMU Hardware Support
└─>Exynos IOMMU Support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Support for the IOMMU(System MMU) of Samsung Exynos application
processor family. This enables H/W multimedia accellerators to see
non-linear physical memory chunks as a linear memory in their
address spaces

If unsure, say N here.

source code:

depends
CONFIG_ARCH_EXYNOS
CONFIG_EXYNOS_DEV_SYSMMU
CONFIG_IOMMU_SUPPORT