Brcm4356 and mainline linux kernel

VIM2
1

may be smbdy can help me with wifi for mainline

tested vim2 with AP6356S

uname -a
Linux Krescue-init 5.3.0-rc6 

modprobe brcmfmac
root@Krescue-init:~# dmesg -c
[ 8293.199255] brcmfmac: brcmf_chip_recognition: chip backplane type 15 is not supported
[ 8293.201585] brcmfmac: brcmf_sdio_probe_attach: brcmf_chip_attach failed!
[ 8293.208145] brcmfmac: brcmf_sdio_probe: brcmf_sdio_probe_attach failed
[ 8293.214892] brcmfmac: brcmf_ops_sdio_probe: F2 error, probe failed -19...

cat /sys/class/mmc_host/mmc0/mmc0:0001/mmc0\:0001\:1/uevent 
DRIVER=brcmfmac
OF_NAME=wifi
OF_FULLNAME=/soc/apb@d0000000/mmc@70000/wifi@1
OF_COMPATIBLE_0=brcm,bcm4329-fmac
OF_COMPATIBLE_N=1
SDIO_CLASS=00
SDIO_ID=02D0:4356
MODALIAS=sdio:c00v02D0d4356

looks like sdio 4356 same not supported for mainline


https://wireless.wiki.kernel.org/en/users/drivers/brcm80211

1 Like
2

!!! SOLVED !!! (big tnx for NICK :wink: )

mainline kernel dts have 50000000 freq for wifi sdio
just need change to 100000000

&sd_emmc_a {
    status = "okay";
//  max-frequency = <50000000>;
    max-frequency = <100000000>;
};