UART Route setting

[Andrew Jeffery]

Hi Oskar, Henbin,

On Thu, 2 Aug 2018, at 10:32, Oskar Senft wrote:
> Hi Henbin
> 
> I think we should be able to configure default settings for the routing
> with the driver that I'm working on. I guess that could be done via DTS or
> by just applying settings via /sys during boot.

Have you explored writing a pinmux driver for it? It's effectively what these
registers represent.

It was something that wound up down the bottom of my todo list.

This enables configuring the routing via DTS, though doing it dynamically
from userspace might be a bit harder.

Cheers,

Andrew