Status of BeagleBone Black UARTs

[Ian Lepore]

On Wed, 2014-04-30 at 20:14 -0400, Winston Smith wrote:
> I found an email thread from last year discussing enabling the BBB's
> additional UARTs:
> 
> http://freebsd.1045724.n5.nabble.com/Beaglebone-Serial-Ports-Progress-td5787251.html
> 
> Has there been any update on this?  Do I still need to use Ian [Young]'s patch?
> 
> I do see in the bboneblk.dts that all 5 uarts are listed, however
> dmesg only mentions uart0 and I don't see any additional tty devices
> in /dev.
> 
> Thanks!
> 
> -W

The kernel is ready to go with the uarts, you just need to adjust the
fdt data.  Change the status="disabled" to status="okay" for whichever
ones you want to enable, and adjust the pad control settings so that
devices are connected to the right pins.

-- Ian