The panel bindings expect to have only one port, thus they do not allow
to use "ports" node:
  sc7180-trogdor-quackingstick-r0.dtb: panel@0: 'ports' does not match any of the regexes: 'pinctrl-[0-9]+'
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230326155753.92007-5-krzysztof.kozlowski@linaro.org
                backlight = <&backlight>;
                rotation = <270>;
 
-               ports {
-                       #address-cells = <1>;
-                       #size-cells = <0>;
-                       port@0 {
-                               reg = <0>;
-                               panel_in: endpoint {
-                                       remote-endpoint = <&dsi0_out>;
-                               };
+               port {
+                       panel_in: endpoint {
+                               remote-endpoint = <&dsi0_out>;
                        };
                };
        };