On Fri, Nov 06, 2020 at 10:10:10AM +0800, Chen-Yu Tsai wrote:
> On Fri, Nov 6, 2020 at 10:03 AM Yu-Tung Chang <mtwget@xxxxxxxxx> wrote:
> >
> > Maxime Ripard <maxime@xxxxxxxxxx> 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, to clarify, UART1 can be used with or without RTS/CTS,
> so there is no default muxing in the DTSI.
Ah, right. I've applied the patch, thanks!
Maxime
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