* Re: [linux-sunxi] Re: [PATCH 4/5] ARM: dts: sunxi: add dtsi file for V3s SoC
[not found] <20170111065638.uW1SQ7Kq@smtp3m.mail.yandex.net>
@ 2017-01-12 16:52 ` Maxime Ripard
0 siblings, 0 replies; only message in thread
From: Maxime Ripard @ 2017-01-12 16:52 UTC (permalink / raw)
To: Icenowy Zheng
Cc: devicetree, linux-doc, Linus Walleij, Stephen Boyd, linux-kernel,
linux-gpio, linux-sunxi, Chen-Yu Tsai, linux-clk,
linux-arm-kernel
[-- Attachment #1.1: Type: text/plain, Size: 638 bytes --]
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
[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 801 bytes --]
[-- Attachment #2: Type: text/plain, Size: 176 bytes --]
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2017-01-12 16:52 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <20170111065638.uW1SQ7Kq@smtp3m.mail.yandex.net>
2017-01-12 16:52 ` [linux-sunxi] Re: [PATCH 4/5] ARM: dts: sunxi: add dtsi file for V3s SoC Maxime Ripard
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox