I notice the new Broadcom Wifi bwfm(4) drivers. Anyone with better knowledge of the project know what hardware is supported by that? The manpage doesn't mention specific chips: https://man.openbsd.org/bwfm.4
so if you're not sure, checking boot up dmesg on OpenBSD or lspci on linux should give the hexcode of your device which should match 0x14e4 + one of the other two..