linux-kernel - Re: [PATCH 2/3] arm64: dts: renesas: r8a77961: Add lvds0 device node

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Message-ID: <YdvzeJ09N6Zqa+EJ@pendragon.ideasonboard.com>
Date:   Mon, 10 Jan 2022 10:51:04 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Nikita Yushchenko <nikita.yoush@...entembedded.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] arm64: dts: renesas: r8a77961: Add lvds0 device node

Hi Geert,

On Mon, Jan 10, 2022 at 09:43:58AM +0100, Geert Uytterhoeven wrote:
> On Wed, Dec 29, 2021 at 5:56 PM Laurent Pinchart 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@...entembedded.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@...90000 {
> > > +                     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?

Even better indeed :-)

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

-- 
Regards,

Laurent Pinchart