On Tue, Jan 28, 2020 at 1:59 PM Steven A. Falco <stevenfalco@xxxxxxxxx> wrote: > > I'd like to add an RTC module to a Raspberry Pi. I see that uboot has some support for device tree overlays, but if I'm reading the code correctly, it doesn't seem to be enabled for the Pi. > > Is it possible to use device tree overlays at this point, or am I better off building a custom kernel? Yes, mostly, but there's still a whole bunch of corner cases, for Raspberry Pi we use the Firmware provided DT and not the kernel DT. It's only really clean on aarch64 and completely doesn't work on RPi4 (yet another reason there's been no announcement around RPi4 support). Peter _______________________________________________ arm mailing list -- arm@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to arm-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/arm@xxxxxxxxxxxxxxxxxxxxxxx
