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Date: Wed, 17 Aug 2022 01:09:16 +0300
From: Arınç ÜNAL <arinc.unal@...nc9.com>
To: Rob Herring <robh@...nel.org>
Cc: 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>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
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>,
Frank Wunderlich <frank-w@...lic-files.de>,
Luiz Angelo Daros de Luca <luizluca@...il.com>,
Sander Vanheule <sander@...nheule.net>,
René van Dorst <opensource@...rst.com>,
Daniel Golle <daniel@...rotopia.org>, erkin.bozoglu@...ont.com,
Sergio Paracuellos <sergio.paracuellos@...il.com>,
netdev@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 6/7] dt-bindings: net: dsa: mediatek,mt7530: define
phy-mode for each compatible
On 17.08.2022 00:21, Rob Herring wrote:
> On Sat, Aug 13, 2022 at 06:44:14PM +0300, Arınç ÜNAL wrote:
>> Define acceptable phy-mode values for CPU port of each compatible device.
>> Remove relevant information from the description of the binding.
>
> I'm not really sure this is worth the complexity just to check
> 'phy-mode'...
I can describe it on the binding description but it won't be checked on
DT bindings. phy-mode values are significantly different between mt7530
and mt7531 so I think it's useful to have it.
>
>>
>> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
>> ---
>> .../bindings/net/dsa/mediatek,mt7530.yaml | 103 ++++++++++++++++--
>> 1 file changed, 92 insertions(+), 11 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml b/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>> index a27cb4fa490f..530ef5a75a2f 100644
>> --- a/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>> +++ b/Documentation/devicetree/bindings/net/dsa/mediatek,mt7530.yaml
>> @@ -49,17 +49,6 @@ description: |
>> * mt7621: phy-mode = "rgmii-txid";
>> * mt7623: phy-mode = "rgmii";
>>
>> - CPU-Ports need a phy-mode property:
>> - Allowed values on mt7530 and mt7621:
>> - - "rgmii"
>> - - "trgmii"
>> - On mt7531:
>> - - "1000base-x"
>> - - "2500base-x"
>> - - "rgmii"
>> - - "sgmii"
>> -
>> -
>> properties:
>> compatible:
>> oneOf:
>> @@ -177,6 +166,36 @@ allOf:
>> items:
>> - const: cpu
>> then:
>> + allOf:
>> + - if:
>> + properties:
>> + reg:
>> + const: 5
>> + then:
>> + properties:
>> + phy-mode:
>> + enum:
>> + - gmii
>> + - mii
>> + - rgmii
>> +
>> + - if:
>> + properties:
>> + reg:
>> + const: 6
>> + then:
>
> You've restricted this to ports 5 or 6 already, so you just need an
> 'else' here. And you can then drop the 'allOf'.
Good thinking, will do.
>
>> + properties:
>> + phy-mode:
>> + enum:
>> + - rgmii
>> + - trgmii
>> +
>> + properties:
>> + reg:
>> + enum:
>> + - 5
>> + - 6
>> +
>> required:
>> - phy-mode
>>
>> @@ -206,6 +225,38 @@ allOf:
>> items:
>> - const: cpu
>> then:
>> + allOf:
>> + - if:
>> + properties:
>> + reg:
>> + const: 5
>> + then:
>> + properties:
>> + phy-mode:
>> + enum:
>> + - 1000base-x
>> + - 2500base-x
>> + - rgmii
>> + - sgmii
>> +
>> + - if:
>> + properties:
>> + reg:
>> + const: 6
>> + then:
>> + properties:
>> + phy-mode:
>> + enum:
>> + - 1000base-x
>> + - 2500base-x
>> + - sgmii
>> +
>> + properties:
>> + reg:
>> + enum:
>> + - 5
>> + - 6
>> +
>> required:
>> - phy-mode
>>
>> @@ -235,6 +286,36 @@ allOf:
>> items:
>> - const: cpu
>> then:
>> + allOf:
>> + - if:
>> + properties:
>> + reg:
>> + const: 5
>> + then:
>> + properties:
>> + phy-mode:
>> + enum:
>> + - gmii
>> + - mii
>> + - rgmii
>> +
>> + - if:
>> + properties:
>> + reg:
>> + const: 6
>> + then:
>> + properties:
>> + phy-mode:
>> + enum:
>> + - rgmii
>> + - trgmii
>> +
>> + properties:
>> + reg:
>> + enum:
>> + - 5
>> + - 6
>> +
>
> Looks like the same schema duplicated. You can put it under a '$defs'
> and reference it twice.
Great!
>
>> required:
>> - phy-mode
>>
>> --
>> 2.34.1
>>
>>
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