linux-kernel - Re: [PATCH v1 1/1] ARM: dts: sun8i: h3: Add initial NanoPi R1 support

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Date:   Fri, 6 Nov 2020 10:03:35 +0800
From:   Yu-Tung Chang <mtwget@...il.com>
To:     Maxime Ripard <maxime@...no.tech>
Cc:     robh+dt@...nel.org, wens@...e.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 1/1] ARM: dts: sun8i: h3: Add initial NanoPi R1 support

Maxime Ripard <maxime@...no.tech> 于2020年11月6日周五 上午1:10写道：
>
> On Wed, Nov 04, 2020 at 04:07:48PM +0800, Yu-Tung Chang wrote:
> > > > +&uart1 {
> > > > +     pinctrl-names = "default";
> > > > +     pinctrl-0 = <&uart1_pins>;
> > >
> > > This should be already set in the DTSI
> > >
> > uart0 as the debugging interface, uart1 as the external uart port,
> > uart3 as the bluetooth.
>
> What I mean is that since it's the only muxing option, the pinctrl
> properties should already be set in the DTSI, so it's redundant to put
> them in the DTS.
>
I can only see the definition of uart0 in the DTSI,
because uart1 as the extension interface is exclusive to NanoPi R1.
> Maxime