linux-kernel - Re: [PATCH] arm64: dts: sun50i: sopine-baseboard: Expose serial1, serial2 and serial3

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Message-ID: <20191106115222.GA8617@gilmour.lan>
Date:   Wed, 6 Nov 2019 12:52:22 +0100
From:   Maxime Ripard <mripard@...nel.org>
To:     Alistair Francis <alistair23@...il.com>
Cc:     Chen-Yu Tsai <wens@...e.org>,
        Alistair Francis <alistair@...stair23.me>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] arm64: dts: sun50i: sopine-baseboard: Expose serial1,
 serial2 and serial3

On Tue, Nov 05, 2019 at 11:27:42AM -0800, Alistair Francis wrote:
> On Mon, Oct 21, 2019 at 4:17 AM Maxime Ripard <mripard@...nel.org> wrote:
> >
> > Hi,
> >
> > On Wed, Oct 16, 2019 at 10:54:27PM +0800, Chen-Yu Tsai wrote:
> > > On Wed, Oct 16, 2019 at 10:49 PM Maxime Ripard <mripard@...nel.org> wrote:
> > > > On Sat, Oct 12, 2019 at 01:05:24PM -0700, Alistair Francis wrote:
> > > > > Follow what the sun50i-a64-pine64.dts does and expose all 5 serial
> > > > > connections.
> > > > >
> > > > > Signed-off-by: Alistair Francis <alistair@...stair23.me>
> > > > > ---
> > > > >  .../allwinner/sun50i-a64-sopine-baseboard.dts | 25 +++++++++++++++++++
> > > > >  1 file changed, 25 insertions(+)
> > > > >
> > > > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> > > > > index 124b0b030b28..49c37b21ab36 100644
> > > > > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> > > > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> > > > > @@ -56,6 +56,10 @@
> > > > >       aliases {
> > > > >               ethernet0 = &emac;
> > > > >               serial0 = &uart0;
> > > > > +             serial1 = &uart1;
> > > > > +             serial2 = &uart2;
> > > > > +             serial3 = &uart3;
> > > > > +             serial4 = &uart4;
> > > > >       };
> > > > >
> > > > >       chosen {
> > > > > @@ -280,6 +284,27 @@
> > > > >       };
> > > > >  };
> > > > >
> > > > > +/* On Pi-2 connector */
> > > > > +&uart2 {
> > > > > +     pinctrl-names = "default";
> > > > > +     pinctrl-0 = <&uart2_pins>;
> > > > > +     status = "disabled";
> > > > > +};
> > > > > +
> > > > > +/* On Euler connector */
> > > > > +&uart3 {
> > > > > +     pinctrl-names = "default";
> > > > > +     pinctrl-0 = <&uart3_pins>;
> > > > > +     status = "disabled";
> > > > > +};
> > > > > +
> > > > > +/* On Euler connector, RTS/CTS optional */
> > > > > +&uart4 {
> > > > > +     pinctrl-names = "default";
> > > > > +     pinctrl-0 = <&uart4_pins>;
> > > > > +     status = "disabled";
> > > > > +};
> > > >
> > > > Since these are all the default muxing, maybe we should just set that
> > > > in the DTSI?
> > >
> > > Maybe not, since people may want to only use RX/TX, and leave the other
> > > two pins for GPIO?
> >
> > Right, I'll apply that patch.
>
> Ping, just want to make sure this has been applied/will be applied.

This has been applied, and was part of the PR for 5.5 sent last week

Maxime

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