ARM PrimeCell PL080 or PL081 support

modulename: amba-pl08x.ko

configname: CONFIG_AMBA_PL08X

Linux Kernel Configuration
└─>Device Drivers
└─>DMA Engine support
└─>ARM PrimeCell PL080 or PL081 support
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
Say yes if your platform has a PL08x DMAC device which can
provide DMA engine support. This includes the original ARM
PL080 and PL081, Samsungs PL080 derivative and Faraday
Technology's FTDMAC020 PL080 derivative.

source code: