netdev - Re: Aw: Re: [RFC v2] dt-bindings: net: dsa: convert binding for mediatek switches

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Date:   Fri, 06 May 2022 16:08:17 +0200
From:   Frank Wunderlich <frank-w@...lic-files.de>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
CC:     Frank Wunderlich <linux@...web.de>,
        linux-mediatek@...ts.infradead.org, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Greg Ungerer <gerg@...nel.org>,
        René van Dorst <opensource@...rst.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Subject: Re: Aw: Re: [RFC v2] dt-bindings: net: dsa: convert binding for mediatek switches

Am 6. Mai 2022 09:15:12 MESZ schrieb Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>:
>On 06/05/2022 08:46, Frank Wunderlich wrote:
>>>> +    const: 1
>>>> +
>>>> +  "#size-cells":
>>>> +    const: 0
>>>> +
>>>> +  core-supply:
>>>> +    description: |
>>>
>>> Drop | everywhere where it is not needed (so in all places, AFAICT)
>> 
>> is it necessary for multiline-descriptions or is indentation enough?
>
>It's necessary only when YAML syntax characters appear in description
>or
>when you want specific formatting.
>
>https://elixir.bootlin.com/linux/v5.18-rc5/source/Documentation/devicetree/bindings/example-schema.yaml#L97
>
>https://yaml-multiline.info/

Ok then i drop all except on examples

>>>> +
>>>> +patternProperties:
>>>
>>> patternProperties go before allOf, just after regular properties.
>> 
>> after required, right?
>
>properties do not go after required, so neither patternProperties
>should. Something like: propertes -> patternProperties -> dependencies
>-> required -> allOf -> additionalProperties -> examples

Thx for explanation

So i end up like this:

https://github.com/frank-w/BPI-R2-4.14/blob/5.18-mt7531-mainline/Documentation/devicetree/bindings/net/dsa/mediatek%2Cmt7530.yaml

Including followup (remove reset-gpios and add rgmii for mt7531).

>> 
>>>> +  "^(ethernet-)?ports$":
>>>> +    type: object
>>>
>>> Also on this level:
>>>     unevaluatedProperties: false
>> 
>> this is imho a bit redundant because in dsa.yaml (which is included
>now after patternProperties)
>> it is already set on both levels.
>
>dsa.yaml does not set it on ethernet-ports.
>
>> Adding it here will fail in examples because of size/address-cells
>which are already defined in dsa.yaml...
>> so i need to define them here again.
>
>You're right, it cannot be set here.

So i make no change here,right?

>Best regards,
>Krzysztof


regards Frank