Lightning Mountain centralized DMA controllers

modulename: lgm-dma.ko

configname: CONFIG_INTEL_LDMA

Linux Kernel Configuration
└─>Device Drivers
└─>DMA Engine support
└─>Lightning Mountain centralized DMA controllers
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Enable support for Intel Lightning Mountain SOC DMA controllers.
These controllers provide DMA capabilities for a variety of on-chip
devices such as HSNAND and GSWIP (Gigabit Switch IP).

source code: