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Message-ID: <7f4339df-6616-120f-f16a-cd38a2b6ea1d@starfivetech.com>
Date: Tue, 20 Dec 2022 14:48:36 +0800
From: yanhong wang <yanhong.wang@...rfivetech.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
<linux-riscv@...ts.infradead.org>, <netdev@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: "David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Emil Renner Berthing <kernel@...il.dk>,
Richard Cochran <richardcochran@...il.com>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Peter Geis <pgwipeout@...il.com>
Subject: Re: [PATCH v2 2/9] dt-bindings: net: snps,dwmac: Update the maxitems
number of resets and reset-names
On 2022/12/16 19:03, Krzysztof Kozlowski wrote:
> On 16/12/2022 08:06, Yanhong Wang wrote:
>> Some boards(such as StarFive VisionFive v2) require more than one value
>> which defined by resets property, so the original definition can not
>> meet the requirements. In order to adapt to different requirements,
>> adjust the maxitems number from 1 to 3..
>>
>> Signed-off-by: Yanhong Wang <yanhong.wang@...rfivetech.com>
>> ---
>> .../devicetree/bindings/net/snps,dwmac.yaml | 15 +++++++++++----
>> 1 file changed, 11 insertions(+), 4 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>> index e26c3e76ebb7..7870228b4cd3 100644
>> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>> @@ -133,12 +133,19 @@ properties:
>> - ptp_ref
>>
>> resets:
>> - maxItems: 1
>> - description:
>> - MAC Reset signal.
>> + minItems: 1
>> + maxItems: 3
>> + additionalItems: true
>> + items:
>> + - description: MAC Reset signal
>>
>> reset-names:
>> - const: stmmaceth
>> + minItems: 1
>> + maxItems: 3
>> + additionalItems: true
>> + contains:
>> + enum:
>> + - stmmaceth
>
> No, this is highly unspecific and you know affect all the schemas using
> snps,dwmac.yaml. Both lists must be specific - for your device and for
> others.
>
I have tried to define the resets in "starfive,jh71x0-dwmac.yaml", but it can not over-write the maxItems limit in "snps,dwmac.yaml",therefore, it will report error "reset-names: ['stmmaceth', 'ahb'] is too long" running "make dt_binding_check". Do you have any suggestions to deal with this situation?
> Best regards,
> Krzysztof
>
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