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Date: Tue, 17 Jan 2017 09:33:51 +0100
From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Rask Ingemann Lambertsen <rask@formelder.dk>
Cc: Chen-Yu Tsai <wens@csie.org>, Andre Przywara <andre.przywara@arm.com>,
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        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: Dropping device tree pinmux nodes for GPIO usage (Was: [PATCH
 3/5] arm64: dts: sun50i: add MMC nodes)
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On Sun, Jan 15, 2017 at 04:59:32PM +0100, Rask Ingemann Lambertsen wrote:
> On Tue, Jan 03, 2017 at 10:52:12AM +0800, Chen-Yu Tsai wrote:
> > On Tue, Jan 3, 2017 at 7:03 AM, Andre Przywara <andre.przywara@arm.com>=
 wrote:
> > > +
> > > +                       mmc0_default_cd_pin: mmc0_cd_pin@0 {
> > > +                               pins =3D "PF6";
> > > +                               function =3D "gpio_in";
> > > +                               bias-pull-up;
> > > +                       };
> >=20
> > We are starting to drop pinmux nodes for gpio usage.
>=20
> How do we get the equivalent of bias-pull-up/down and drive-strength if we
> run across a pin that needs it?

Hmm, that's actually a very good question...

For those cases, leave the pinctrl node for now, we'll deal with that
in due time

Maxime

--=20
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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