NAME
mmc —
MultiMediaCard and SD Card bus
driver
SYNOPSIS
device mmc
DESCRIPTION
Themmc driver implements the MMC and SD Card bus. The
mmc driver supports all MMC and SD bridges in the
system. All SD or MMC cards in the system attach to an instance of
mmc. The mmc bus typically has
only one slot, and only memory cards. MultiMediaCards exist only in memory. SD
Cards exist as memory, I/O, or combination cards.
SEE ALSO
at91_mci(4), mmcsd(4), sdhci(4)
SD Specifications, Part 1, Physical Layer, Simplified Specification.
The MultiMediaCard System Specification.
BUGS
SDIO cards currently do not work.