wow ! in fact it was much more simple .. I was playing with a raspberry 3B and not a 3B+ so the dtb file was not the good one :) Finally I have this : cd /proc/device-tree/soc ls -dal spi* drwxr-xr-x. 2 root root 0 Mar 5 23:16 spi@7e204000 drwxr-xr-x. 2 root root 0 Mar 5 23:16 spi@7e215080 drwxr-xr-x. 2 root root 0 Mar 5 23:16 spi@7e2150c0 cat spi*/status okay disabled okay but no device in /dev.. do you have any hints ? Thanks _______________________________________________ arm mailing list -- arm@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to arm-leave@xxxxxxxxxxxxxxxxxxxxxxx