NVIDIA Tegra SMMU Support

modulename: tegra-smmu.ko

configname: CONFIG_TEGRA_IOMMU_SMMU

Linux Kernel Configuration
└─>Device Drivers
└─>IOMMU Hardware Support
└─>NVIDIA Tegra SMMU Support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This driver supports the IOMMU hardware (SMMU) found on NVIDIA Tegra
SoCs (Tegra30 up to Tegra210).

source code:
drivers/iommu/tegra-smmu.c