Re: [PATCH v29 1/7] dt-bindings: mediatek: add ethdr definition for mt8195

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On 17/03/2023 08:55, Nancy Lin (林欣螢) wrote:
> On Thu, 2023-03-16 at 12:36 +0100, Krzysztof Kozlowski wrote:
>> On 16/03/2023 10:53, AngeloGioacchino Del Regno wrote:
>>
>>> Hello Krzysztof, Nancy,
>>>
>>> Since this series has reached v29, can we please reach an agreement
>>> on the bindings
>>> to use here, so that we can get this finally upstreamed?
>>>
>>> I will put some examples to try to get this issue resolved.
>>>
>>> ### Example 1: Constrain the number of GCE entries to *seven* array
>>> elements (7x4!)
>>>
>>>    mediatek,gce-client-reg:
>>>      $ref: /schemas/types.yaml#/definitions/phandle-array
>>>      maxItems: 1
>>>      description: The register of display function block to be set
>>> by gce.
>>>        There are 4 arguments in this property, gce node, subsys id,
>>> offset and
>>>        register size. The subsys id is defined in the gce header of
>>> each chips
>>>        include/dt-bindings/gce/<chip>-gce.h, mapping to the
>>> register of display
>>>        function block.
>>>      items:
>>>        minItems: 28
>>>        maxItems: 28
>>>        items:                     <----- this block doesn't seem to
>>> get checked :\
>>>          - description: phandle of GCE
>>>          - description: GCE subsys id
>>>          - description: register offset
>>>          - description: register size
>>
>> This is what we would like to have but it requires exception in
>> dtschema. Thus:
>>
>>>
>>>
>>> ### Example 2: Don't care about constraining the number of
>>> arguments
>>>
>>>    mediatek,gce-client-reg:
>>>      $ref: /schemas/types.yaml#/definitions/phandle-array
>>>      maxItems: 1
>>>      description: The register of display function block to be set
>>> by gce.
>>>        There are 4 arguments in this property, gce node, subsys id,
>>> offset and
>>>        register size. The subsys id is defined in the gce header of
>>> each chips
>>>        include/dt-bindings/gce/<chip>-gce.h, mapping to the
>>> register of display
>>>        function block.
>>
>> use this.
>>
>> Best regards,
>> Krzysztof
> 
> 
> Hi Krzysztof, Angelo,
> 
> Thanks for the comment.
> The Example 2 can pass dt_binding_check. 
> 
> But the example in the binding has 7 items [1] and dts [2]. Does the
> "maxItems: 1" affect any other schema or dts check? 

Ah, then it should be maxItems: 7, not 1.

Best regards,
Krzysztof




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