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SubjectRe: [PATCH 3/7] dt-bindings: net: dsa: mediatek,mt7530: add port bindings for MT7988
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On 7.04.2023 12:07, Krzysztof Kozlowski wrote:
> On 06/04/2023 21:18, Arınç ÜNAL wrote:
>> On 6.04.2023 22:07, Krzysztof Kozlowski wrote:
>>> On 06/04/2023 10:01, arinc9.unal@gmail.com wrote:
>>>> From: Arınç ÜNAL <arinc.unal@arinc9.com>
>>>>
>>>> The switch on MT7988 has got only port 6 as a CPU port. The only phy-mode
>>>> to be used is internal. Add this.
>>>>
>>>> Some bindings are incorrect for this switch now, so move them to more
>>>> specific places.
>>>>
>>>> Address the incorrect information of which ports can be used as a user
>>>> port. Any port can be used as a user port.
>>>>
>>>> Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
>>>> ---
>>>> .../bindings/net/dsa/mediatek,mt7530.yaml | 63 ++++++++++++++-----
>>>> 1 file changed, 46 insertions(+), 17 deletions(-)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml b/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>>>> index 7045a98d9593..605888ce2bc6 100644
>>>> --- a/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>>>> +++ b/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>>>> @@ -160,22 +160,6 @@ patternProperties:
>>>> "^(ethernet-)?port@[0-9]+$":
>>>> type: object
>>>>
>>>> - properties:
>>>> - reg:
>>>> - description:
>>>> - Port address described must be 5 or 6 for CPU port and from 0 to 5
>>>> - for user ports.
>>>> -
>>>> - allOf:
>>>> - - if:
>>>> - required: [ ethernet ]
>>>> - then:
>>>> - properties:
>>>> - reg:
>>>> - enum:
>>>> - - 5
>>>> - - 6
>>>> -
>>>
>>> I have doubts that the binding is still maintainable/reviewable. First,
>>> why do you need all above patterns after removal of entire contents?
>>
>> The 'type: object' item is still globally used. I'd have to define that
>> on each definitions, I suppose?
>
> Doesn't it come from dsa.yaml/dsa-port.yaml schema?

It comes from dsa.yaml#/$defs/ethernet-ports which this schema already
refers to. I'll remove the patterns above.

Though 'type: object' is not there for "^(ethernet-)?port@[0-9]+$". I
think I should add it there as the dsa-port.yaml schema defines the
properties of the DSA switch port object. So the value matching the
"^(ethernet-)?port@[0-9]+$" regular expression is expected to be an
object conforming to the structure defined in dsa-port.yaml.

Does that make sense?

>
>>
>>>
>>> Second, amount of if-then-if-then located in existing blocks (not
>>> top-level) is quite big. I counted if-then-using defs, where defs has
>>> patternProps-patternProps-if-then-if-then-properties.... OMG. :)
>>
>> Yup, not much to do if we want to keep the information. I'm still
>> maintaining this though. ¯\_(ツ)_/¯
>
> Maybe it should be split into few bindings sharing common part.

Agreed, I think it makes sense to split this to MT7530, MT7531, and
MT7988. I will do this after this series.

Arınç

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