1.\" $OpenBSD: sximmc.4,v 1.3 2020/06/20 21:16:14 jmc Exp $ 2.\" 3.\" Copyright (c) 2016 Mark Kettenis <kettenis@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: June 20 2020 $ 18.Dt SXIMMC 4 19.Os 20.Sh NAME 21.Nm sximmc 22.Nd SD/MMC controller 23.Sh SYNOPSIS 24.Cd "sximmc* at fdt?" 25.Cd "sdmmc* at sximmc?" 26.Sh DESCRIPTION 27The 28.Nm 29driver provides support for the MMC/SD/SDIO controller integrated on 30Allwinner A1X/A20 SoCs. 31.Pp 32The 33.Xr sdmmc 4 34subsystem performs SD/MMC transactions to communicate with 35MMC, SD, SDHC, or SDIO devices inserted into the SD slot. 36.Sh SEE ALSO 37.Xr intro 4 , 38.Xr sdmmc 4 39.Sh HISTORY 40The 41.Nm 42driver first appeared in 43.Ox 6.1 . 44.Sh AUTHORS 45.An -nosplit 46The 47.Nm 48driver was written by 49.An Jared D. McNeill 50for 51.Nx 52and ported to 53.Ox 54by 55.An Mark Kettenis Aq Mt kettenis@openbsd.org . 56