Re: [PATCH] ARM: dts: sun7i: add pinctrl for missing uart mux options
From: Maxime Ripard
Date: Wed Feb 20 2019 - 07:46:30 EST
Hi,
On Wed, Feb 20, 2019 at 10:59:58AM +0000, Måns Rullgård wrote:
> Maxime Ripard <maxime.ripard@xxxxxxxxxxx> writes:
>
> > On Wed, Feb 20, 2019 at 04:58:49PM +0800, Chen-Yu Tsai wrote:
> >> On Sun, Feb 17, 2019 at 2:21 AM Mans Rullgard <mans@xxxxxxxxx> wrote:
> >> >
> >> > This adds pinctrl settings for various missing uart options.
> >> >
> >> > Signed-off-by: Mans Rullgard <mans@xxxxxxxxx>
> >> > ---
> >> > arch/arm/boot/dts/sun7i-a20.dtsi | 45 ++++++++++++++++++++++++++++++++
> >> > 1 file changed, 45 insertions(+)
> >> >
> >> > diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
> >> > index af5b067a5f83..2295ff5adf48 100644
> >> > --- a/arch/arm/boot/dts/sun7i-a20.dtsi
> >> > +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
> >> > @@ -944,6 +944,31 @@
> >> > function = "uart0";
> >> > };
> >> >
> >> > + uart0_pf_pins: uart0-pf-pins {
> >> > + pins = "PF2", "PF4";
> >> > + function = "uart0";
> >> > + };
> >>
> >> We've had the policy of not adding pinctrl nodes that aren't used in-tree,
> >> to avoid bloating up the blob size. However DTC 1.4.7 introduced the new
> >> /omit-if-no-ref/ directive, which would make the compiler discard marked
> >> nodes if they aren't referenced.
> >>
> >> So please add this to all the new nodes. It seems to work regardless whether
> >> you add it before or after the label, though having it after the label seems
> >> to make vim syntax highlighting happier.
>
> Should we also add this to existing nodes?
If you want to send an additional patch, then yes sure :)
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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