On Mon, Feb 27, 2017 at 12:32 PM, Andrew Kirch <[email protected]> wrote:

> you likely don't need an overlay, simply modify /sys at boot to mux the
> pins to serial..
>

That would take an awful lot of work, and knowledge compared to simply
loading an overlay at boot, or interactively from the command line. The
overlays already exist too. They're in /lib/firmware

The point i was trying to make anyhow, is that it wont work just because
you've connected hardware to hardware, and that you need to mux the pins,
and load the serial driver module. Which an overlay makes pretty simple.

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