UniPhier MIO DMAC

modulename: uniphier-mdmac.ko

configname: CONFIG_UNIPHIER_MDMAC

Linux Kernel Configuration
└─>Device Drivers
└─>DMA Engine support
└─>Device Tree and Open Firmware support
└─>UniPhier MIO DMAC
In linux kernel since version 5 (release Date: 2019-03-03)  
Enable support for the MIO DMAC (Media I/O DMA controller) on the
UniPhier platform. This DMA controller is used as the external
DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.

source code: