From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [linux-sunxi] Re: [PATCH 4/5] ARM: dts: sunxi: add dtsi file for V3s SoC
Date: Thu, 12 Jan 2017 17:52:44 +0100 [thread overview]
Message-ID: <20170112165244.js3qrgo2nbazycmn@lukather> (raw)
In-Reply-To: <20170111065638.uW1SQ7Kq@smtp3m.mail.yandex.net>
On Wed, Jan 11, 2017 at 11:56:32AM +0800, Icenowy Zheng wrote:
>
> 2017?1?11? 02:21? Maxime Ripard <maxime.ripard@free-electrons.com>???
> >
> > On Tue, Jan 03, 2017 at 11:16:28PM +0800, Icenowy Zheng wrote:
> > > + uart0_pins_a: uart0 at 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
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parent reply other threads:[~2017-01-12 16:52 UTC|newest]
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