Re: [PATCH v4 4/7] arm64: dts: renesas: r8a77970: Add csi40 port@0

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Hi Laurent,

On Thu, Apr 15, 2021 at 4:47 PM Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
> On Thu, Apr 15, 2021 at 02:25:59PM +0200, Jacopo Mondi wrote:
> > Declare port@0 in the csi40 device node and leave it un-connected.
> > Each board .dts file will connect the port as it requires.
> >
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
>
> The port exists at the hardware level, so including it here sounds good.
> The DT binding even makes the port mandatory :-)

But the latter is subject to change?

[PATCH] media: dt-bindings: media: renesas,csi2: Node port@0 is not mandatory
https://lore.kernel.org/linux-devicetree/20210413155346.2471776-1-niklas.soderlund+renesas@xxxxxxxxxxxx/

> > --- a/arch/arm64/boot/dts/renesas/r8a77970.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r8a77970.dtsi
> > @@ -1106,6 +1106,10 @@ ports {
> >                               #address-cells = <1>;
> >                               #size-cells = <0>;
> >
> > +                             port@0 {
> > +                                     reg = <0>;
> > +                             };
> > +
> >                               port@1 {
> >                                       #address-cells = <1>;
> >                                       #size-cells = <0>;
\
Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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



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