Hello I think I had a similar issue and noted it here. https://groups.google.com/forum/#!topic/beagleboard/gOynYr8fgns also this sounds similar https://groups.google.com/forum/#!searchin/beagleboard/SPI|sort:date/beagleboard/Dy-WC86s5M0/W5sAeTX_BQAJ
bottom line=> can't mux the pins using the command line echo method => *I had to load the overlay **using bone_capemgr.enable in uEnv.txt.* Maybe check with Charles Steinkuehler, he sounds like he knows this overlay stuff. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.