ARM Ltd. System MMU (SMMU) Support

modulename: arm_smmu.ko

configname: CONFIG_ARM_SMMU

Linux Kernel Configuration
└─>Device Drivers
└─>IOMMU Hardware Support
└─>ARM Ltd. System MMU (SMMU) Support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Support for implementations of the ARM System MMU architecture
versions 1 and 2.

Say Y here if your SoC includes an IOMMU device implementing
the ARM SMMU architecture.

source code: