Declare port@0 in the csi40 device node and leave it un-connected. Each board .dts file will connect the port as it requires. Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> --- arch/arm64/boot/dts/renesas/r8a77970.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a77970.dtsi b/arch/arm64/boot/dts/renesas/r8a77970.dtsi index 5a5d5649332a..e8f6352c3665 100644 --- 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>; -- 2.31.1