Message-ID: <2700bd6c-f00d-fa99-b730-2fcdf89089fa@linaro.org>
Date:   Wed, 15 Mar 2023 08:16:24 +0100
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Subject: Re: [PATCH v29 1/7] dt-bindings: mediatek: add ethdr definition for
 mt8195
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To:     =?UTF-8?B?TmFuY3kgTGluICjmnpfmrKPonqIp?= <Nancy.Lin@mediatek.com>,
        "p.zabel@pengutronix.de" <p.zabel@pengutronix.de>,
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        "chunkuang.hu@kernel.org" <chunkuang.hu@kernel.org>,
        "robh+dt@kernel.org" <robh+dt@kernel.org>,
        "krzysztof.kozlowski+dt@linaro.org" 
        <krzysztof.kozlowski+dt@linaro.org>
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References: <20221227081011.6426-1-nancy.lin@mediatek.com>
 <20221227081011.6426-2-nancy.lin@mediatek.com>
 <4aff6a7a3b606f26ec793192d9c75774276935e0.camel@mediatek.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <4aff6a7a3b606f26ec793192d9c75774276935e0.camel@mediatek.com>
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On 15/03/2023 04:45, Nancy Lin (林欣螢) wrote:

Trim the replies and remove unneeded context. You want to get the
attention of other people, not force them to read entire email.

>> +  mediatek,gce-client-reg:>> +    $ref: /schemas/types.yaml#/definitions/phandle-array
>> +    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:
>> +      items:
>> +        - description: phandle of GCE
>> +        - description: GCE subsys id
>> +        - description: register offset
>> +        - description: register size
>> +    minItems: 7
>> +    maxItems: 7
>> +
> 
> Hi Rob and krzysztof,
> 
> I got the two messages when running dt_binding_check [1]. This binding
> patch was sent previously in [2]. 
> 
> If I remove the following items/minItems/maxItems in the mediatek,gce-
> client property, the two message disappear. I don't know what's wrong
> with the original syntax. Do you have any suggestions for this?
> 
> -    items:
> -      items:
> -        - description: phandle of GCE
> -        - description: GCE subsys id
> -        - description: register offset
> -        - description: register size
> -    minItems: 7
> -    maxItems: 7
> 
> 
> [1].
> Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr.examp
> le.dtb
> /proj/mtk19347/cros/src/third_party/kernel/v5.10/Documentation/devicetr
> ee/bindings/display/mediatek/mediatek,ethdr.example.dtb: 
> hdr-engine@1c114000: mediatek,gce-client-reg:0: [4294967295, 7, 16384,
> 4096, 4294967295, 7, 20480, 4096, 4294967295, 7, 28672, 4096,
> 4294967295, 7, 36864, 4096, 4294967295, 7, 40960, 4096, 4294967295, 7,
> 45056, 4096, 4294967295, 7, 49152, 4096] is too long
>         From schema:

This looks like known issue with phandles with variable number of
arguments. Either we add it to the exceptions or just define it in
reduced way like in other cases - only maxItems: 1 without describing items.


Best regards,
Krzysztof