linux-kernel - Re: [PATCH v2 1/4] dt-bindings: arm: Add Morello compatibility

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Message-ID: <342b3c31-7e82-41d1-a9f0-9f3973f99486@arm.com>
Date: Mon, 23 Dec 2024 16:41:49 +0000
From: Vincenzo Frascino <vincenzo.frascino@....com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
 linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Cc: Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Liviu Dudau <liviu.dudau@....com>,
 Sudeep Holla <sudeep.holla@....com>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Russell King <linux@...linux.org.uk>
Subject: Re: [PATCH v2 1/4] dt-bindings: arm: Add Morello compatibility



On 23/12/2024 16:32, Krzysztof Kozlowski wrote:
> On 23/12/2024 17:20, Vincenzo Frascino wrote:
>> Add compatibility to Arm Morello System Development Platform.
>>
>> Note: Morello is at the same time the name of an Architecture [1], an SoC
>> [2] and a Board [2].
>> To distinguish in between Architecture/SoC and Board we refer to the first
>> as arm,morello and to the second as arm,morello-sdp.
>>
>> [1] https://developer.arm.com/Architectures/Morello
>> [2] https://www.morello-project.org/
>>
>> Cc: Linus Walleij <linus.walleij@...aro.org>
>> Cc: Rob Herring <robh@...nel.org>
>> Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>
>> Cc: Conor Dooley <conor+dt@...nel.org>
>> Cc: Liviu Dudau <liviu.dudau@....com>
>> Cc: Sudeep Holla <sudeep.holla@....com>
>> Cc: Lorenzo Pieralisi <lpieralisi@...nel.org>
>> Cc: Russell King <linux@...linux.org.uk>
>> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@....com>
>> ---
>>  Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml b/Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml
>> index 8dd6b6446394..7934d2c4cba0 100644
>> --- a/Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml
>> +++ b/Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml
>> @@ -118,6 +118,9 @@ properties:
>>          items:
>>            - const: arm,foundation-aarch64
>>            - const: arm,vexpress
>> +      - description: Arm Morello System Development Platform
>> +        items:
>> +          - const: arm,morello-sdp
> Also:
> const: arm,morello
> 
> Unless you claim that this cannot be used in any other product than SDP,
> but this then needs explanation in commit msg.
>

Morello is a Prototype architecture and there are no plans to use it outside of
SDP hence I did not add arm,morello.

I thought it was clear since the note states that Architecture, SoC and Board
have the same name, if not, happy do address it in v3.

> Best regards,
> Krzysztof

-- 
Regards,
Vincenzo