lkml.org 
[lkml]   [2017]   [Jan]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [linux-sunxi] Re: [PATCH 4/5] ARM: dts: sunxi: add dtsi file for V3s SoC
On Wed, Jan 11, 2017 at 11:56:32AM +0800, Icenowy Zheng wrote:
>
> 2017年1月11日 02:21于 Maxime Ripard <maxime.ripard@free-electrons.com>写道:
> >
> > On Tue, Jan 03, 2017 at 11:16:28PM +0800, Icenowy Zheng wrote:
> > > + uart0_pins_a: uart0@0 {
> > > + pins = "PB8", "PB9";
> > > + function = "uart0";
> > > + bias-pull-up;
> >
> > Why do you need a pullup here?
>
> I think TX needs one, but RX do not need.

That's (at best) board specific. So it belongs in the DTS if it's
truely needed.

Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2017-01-12 17:54    [W:0.034 / U:0.512 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site