.\"-
.\" Copyright (c) 2017 Emmanuel Vadot <manu@freebsd.org>
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.Dd Dec 25, 2017
.Dt AW_MMC 4
.Os
.Sh NAME
.Nm aw_mmc
.Nd driver for the SD/MMC controller in Allwinner SoC
.Sh SYNOPSIS
.Cd "device mmc"
.Sh DESCRIPTION
The
.Nm
device driver provides support for the Allwinner SD/MMC host controller.
.Sh HARDWARE
The current version of the
.Nm
driver supports the SD/MMC controller with one of the following compatible strings :
.Pp
.Bl -bullet -compact
.It
allwinner,sun4i-a10-mmc
.It
allwinner,sun5i-a13-mmc
.It
allwinner,sun7i-a20-mmc
.It
allwinner,sun50i-a64-mmc
.El
.Sh SYSCTL VARIABLES
The following read-only variables are available via
.Xr sysctl 8 :
.Bl -tag -width indent
.It Va dev.aw_mmc.req_timeout
Request timeout in seconds (default: 10) .
.El
.Sh SEE ALSO
.Xr fdt 4 ,
.Xr mmc 4
.Sh HISTORY
The
.Nm
device driver first appeared in
.Fx 10.0 .
.Sh AUTHORS
The
.Nm
device driver was originally written by
.An Alexander Fedorov Aq Mt alexander.fedorov@rtlservice.com .
Later work and this manual page was done by
.An Emmanuel Vadot Aq Mt manu@freebsd.org .