Re: [PATCH v9 1/2] dt-bindings: adc: add AD7173

[kernel test robot <lkp@xxxxxxxxx>]

Hi Dumitru,

kernel test robot noticed the following build warnings:

[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on linus/master v6.7-rc5 next-20231215]
[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/Dumitru-Ceclan/iio-adc-ad7173-add-AD7173-driver/20231215-213722
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link:    https://lore.kernel.org/r/20231215133512.28735-1-mitrutzceclan%40gmail.com
patch subject: [PATCH v9 1/2] dt-bindings: adc: add AD7173
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231216/202312161107.L0HDURj1-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312161107.L0HDURj1-lkp@xxxxxxxxx/

dtcheck warnings: (new ones prefixed by >>)
>> Documentation/devicetree/bindings/iio/adc/adi,ad7173.yaml: patternProperties:^channel@[0-9a-f]$:properties:adi,reference-select:type: 'string' is not one of ['boolean', 'object']
   	from schema $id: http://devicetree.org/meta-schemas/core.yaml#
>> Documentation/devicetree/bindings/iio/adc/adi,ad7173.yaml: patternProperties:^channel@[0-9a-f]$:properties:adi,reference-select:type: 'boolean' was expected
   	hint: A vendor boolean property can use "type: boolean"
   	from schema $id: http://devicetree.org/meta-schemas/vendor-props.yaml#

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