[PATCH v1 2/3] dt-bindings: arm: mediatek: mmsys: Add OF graph support for board path

[kernel test robot]

Hi AngeloGioacchino,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on robh/for-next pza/reset/next linus/master v6.9-rc2 next-20240404]
[cannot apply to pza/imx-drm/next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/AngeloGioacchino-Del-Regno/dt-bindings-display-mediatek-Add-OF-graph-support-for-board-path/20240404-161930
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20240404081635.91412-3-angelogioacchino.delregno%40collabora.com
patch subject: [PATCH v1 2/3] dt-bindings: arm: mediatek: mmsys: Add OF graph support for board path
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240405/202404050315.7WBDW2E8-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404050315.7WBDW2E8-lkp@intel.com/

dtcheck warnings: (new ones prefixed by >>)
>> Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml: properties:port:properties:required: ['endpoint at 0'] is not of type 'object', 'boolean'
   	from schema $id: http://json-schema.org/draft-07/schema#
>> Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml: properties:port:properties: 'required' should not be valid under {'$ref': '#/definitions/json-schema-prop-names'}
   	hint: A json-schema keyword was found instead of a DT property name.
   	from schema $id: http://devicetree.org/meta-schemas/keywords.yaml#
>> Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml: properties:port:properties:required: ['endpoint at 0'] is not of type 'object', 'boolean'
   	from schema $id: http://devicetree.org/meta-schemas/keywords.yaml#
--
>> Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml: ignoring, error in schema: properties: port: properties: required
   Documentation/devicetree/bindings/net/snps,dwmac.yaml: mac-mode: missing type definition

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