BCMSDHOST(4) | Device Drivers Manual | BCMSDHOST(4)

# NAME

`bcmsdhost` — Broadcom BCM238x SD controller

# SYNOPSIS

`bcmsdhost* at fdt?`
`sdmmc* at bcmsdhost?`

# DESCRIPTION

The `bcmsdhost` driver provides support for the SD controllers integrated on Broadcom BCM283x and BCM2711 SoCs. The driver uses the bcmdmac(4) DMA controller to provide DMA support.

The sdmmc(4) subsystem performs SD/MMC transactions to communicate with whatever SD devices are inserted into the card slot or directly connected to the controller.

# SEE ALSO

bcmdmac(4), intro(4), sdmmc(4)

# HISTORY

OpenBSD support for `bcmsdhost` first appeared in OpenBSD 6.7.

# AUTHORS

The `bcmsdhost` driver was written by Jared D. McNeill for NetBSD and ported to OpenBSD by Neil Ashford <ashfordneil0@gmail.com> and Tobias Heider <tobhe@openbsd.org>.

April 22, 2020 | Debian