On Thu, Apr 15, 2021 at 06:47:48PM +0200, Geert Uytterhoeven wrote: > On Thu, Apr 15, 2021 at 4:47 PM Laurent Pinchart 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/ I've replied to that patch, it's not a good idea. > > > --- 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>; -- Regards, Laurent Pinchart
