UART Route setting

Oskar Senft osk at google.com
Thu Aug 2 11:55:08 AEST 2018


Hi Andrew

Thanks for the suggestion. I see that the register would map quite nicely
to pinmux. However, the ability to change the configuration from user space
is critical. How could that be done via pinmux?

Thanks
Oskar.


On Wed, Aug 1, 2018, 9:18 PM Andrew Jeffery <andrew at aj.id.au> wrote:

> 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
>
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