Allwinner H6 IOMMU Support

modulename: sun50i-iommu.ko

configname: CONFIG_SUN50I_IOMMU

Linux Kernel Configuration
└─>Device Drivers
└─>IOMMU Hardware Support
└─>Allwinner H6 IOMMU Support
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Support for the IOMMU introduced in the Allwinner H6 SoCs.

source code: