I'm going to answer my own post. The thing I can do is keep the ADC in reset until after boot, and that does at least allow the PocketBeagle to start up. I never dreamed someone would actually want to boot from SPI much less that it would be the preferred boot device.
-- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/92464269-3533-4773-ac49-e0fe0f378505%40googlegroups.com.