Enabling UART in Kernel v 4.1

I recently upgraded to Arch Linux Kernel v 4.1 and I’m trying to enable the UARTs. Tried the instructions for uEnv.txt but didn’t work and couldn’t get the device tree to work either. Can someone let me know how to enable the UART? Thanks!


The only solution I found is to downgrade the kernel, see:



Thank you Robert, isn’t this for debian? I am using Arch.


While correct, it's defaults to debian stuff, Arch usually add's our
bone patch, so your current kernel should meet the .config
requirements listed in the readme.md. Then the only other Arch
userspace dependency is the updated dtc version. (overlay-dtc.sh