NAME¶
mmc —
MultiMediaCard and SD Card bus driver
SYNOPSIS¶
device mmc
DESCRIPTION¶
The
mmc 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¶
mmcsd(4),
at91_mci(4),
sdhci(4)
SD Specifications, Part 1,
Physical Layer, Simplified Specification.
The MultiMediaCard System
Specification.
BUGS¶
SDIO cards currently do not work.
