From: Heiko Stuebner <heiko.stueb...@cherry.de>

The panel can be connected to via graph nodes, so allow the port property.

This fixes dtc checker warnings like:
>> arch/arm64/boot/dts/rockchip/rk3588-tiger-haikou-haikou-video-demo.dtb: 
>> panel@0 (leadtek,ltk050h3148w): 'port' does not match any of the regexes: 
>> 'pinctrl-[0-9]+'
    from schema $id: 
http://devicetree.org/schemas/display/panel/leadtek,ltk050h3146w.yaml#
   arch/arm64/boot/dts/rockchip/rk3588-tiger-haikou-haikou-video-demo.dtb: 
/edp@fdec0000: failed to match any schema with compatible: 
['rockchip,rk3588-edp']

Reported-by: kernel test robot <l...@intel.com>
Closes: 
https://lore.kernel.org/oe-kbuild-all/202504300218.vdqqqgtt-...@intel.com/
Signed-off-by: Heiko Stuebner <heiko.stueb...@cherry.de>
---
 .../devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml  | 1 +
 1 file changed, 1 insertion(+)

diff --git 
a/Documentation/devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml 
b/Documentation/devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml
index e2a2dd4ef5fa..5fcea62fd58f 100644
--- a/Documentation/devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml
+++ b/Documentation/devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml
@@ -23,6 +23,7 @@ properties:
     maxItems: 1
 
   backlight: true
+  port: true
   reset-gpios: true
   iovcc-supply:
     description: regulator that supplies the iovcc voltage
-- 
2.47.2

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