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. The driver supports both v7l and v8l table
formats with 4k and 64k page sizes.

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

source code: