Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA

modulename: pch_dma.ko

configname: CONFIG_PCH_DMA

Linux Kernel Configuration
└─>Device Drivers
└─>DMA Engine support
└─>Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
Enable support for Intel EG20T PCH DMA engine.

This driver also can be used for LAPIS Semiconductor IOH(Input/
Output Hub), ML7213, ML7223 and ML7831.
ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
for MP(Media Phone) use and ML7831 IOH is for general purpose use.
ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.

source code: