In addition to Robert's response, here is a second (though somewhat outdated) page and associated links that show how to write to eeprom of a custom cape.
https://github.com/jbdatko/eeprom_tutorial/blob/master/eeprom.md Note: some of the information on this page is old stuff, for example the i2c channels used. Verify with your kernel version. Hope this helps, Gaurav On Sunday, July 9, 2017 at 2:46:25 PM UTC-5, s...@cloud9.net wrote: > > Hi Guys, > > Lurker here. I have been working on developing audio capes for the > Beaglebone Black. I now have a design I am poised to ship. First, > however, I need to know the right thing to do with the cape's EEPROM so it > works "out of the box" for users. > > I believe the EEPROM is read by the BBB during boot, and the info in the > EEPROM helps the BBB load the correct device tree overlay, right? > > Can one of the experts on this list please point me to a HOWTO or other > documentation which describes how to put the correct ID into the EEPROM so > the BBB knows what to do with the associated cape? Some info about where > to stage the cape's .dtbo file so it is loaded during boot would also be > appreciated. > > Thanks for any pointers you have, > Stuart > > -- 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/f25f9afb-0483-48a7-892a-34bc201b689b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
