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References: <20211224052309.1997096-1-nikita.yoush@cogentembedded.com>
 <20211224052309.1997096-3-nikita.yoush@cogentembedded.com> <YcyTV4fJqMHIeyYB@pendragon.ideasonboard.com>
In-Reply-To: <YcyTV4fJqMHIeyYB@pendragon.ideasonboard.com>
From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Mon, 10 Jan 2022 09:43:58 +0100
Message-ID: <CAMuHMdVqUcjRQHD898Ja4R0X3QpXvTODE8=pG7UjJ-NtHTFSDA@mail.gmail.com>
Subject: Re: [PATCH 2/3] arm64: dts: renesas: r8a77961: Add lvds0 device node
To:     Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc:     Nikita Yushchenko <nikita.yoush@cogentembedded.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Magnus Damm <magnus.damm@gmail.com>,
        Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        DRI Development <dri-devel@lists.freedesktop.org>,
        Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Precedence: bulk

Hi Laurent,

On Wed, Dec 29, 2021 at 5:56 PM Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
> On Fri, Dec 24, 2021 at 08:23:08AM +0300, Nikita Yushchenko wrote:
> > Add the missing lvds0 node for the R-Car M3-W+ SoC.
> >
> > Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
> > ---
> >  arch/arm64/boot/dts/renesas/r8a77961.dtsi | 27 +++++++++++++++++++++++
> >  1 file changed, 27 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/renesas/r8a77961.dtsi b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
> > index 86d59e7e1a87..a34d5b1d6431 100644
> > --- a/arch/arm64/boot/dts/renesas/r8a77961.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
> > @@ -2718,6 +2718,33 @@ du_out_hdmi0: endpoint {
> >                               port@2 {
> >                                       reg = <2>;
> >                                       du_out_lvds0: endpoint {
> > +                                             remote-endpoint = <&lvds0_in>;
> > +                                     };
> > +                             };
> > +                     };
> > +             };
> > +
> > +             lvds0: lvds@feb90000 {
> > +                     compatible = "renesas,r8a77961-lvds";
> > +                     reg = <0 0xfeb90000 0 0x14>;
> > +                     clocks = <&cpg CPG_MOD 727>;
> > +                     power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
> > +                     resets = <&cpg 727>;
> > +                     status = "disabled";
> > +
> > +                     ports {
> > +                             #address-cells = <1>;
> > +                             #size-cells = <0>;
> > +
> > +                             port@0 {
> > +                                     reg = <0>;
> > +                                     lvds0_in: endpoint {
> > +                                             remote-endpoint = <&du_out_lvds0>;
> > +                                     };
> > +                             };
> > +                             port@1 {
> > +                                     reg = <1>;
> > +                                     lvds0_out: endpoint {
> >                                       };
>
> Endpoints must have a remote-endpoint property. Let's drop the endpoint
> here and keep the port only, the endpoint can be declared in board
> files.
>
> If you're fine with this change I can make it when applying the patch.

Isn't this patch for me to apply to renesas-devel?

> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds