[PATCH v2 1/4] dt-bindings: arm: Add Morello compatibility
Krzysztof Kozlowski
krzk at kernel.org
Tue Dec 24 00:52:41 PST 2024
On 23/12/2024 17:41, Vincenzo Frascino wrote:
>
>
> 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 at linaro.org>
>>> Cc: Rob Herring <robh at kernel.org>
>>> Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
>>> Cc: Conor Dooley <conor+dt at kernel.org>
>>> Cc: Liviu Dudau <liviu.dudau at arm.com>
>>> Cc: Sudeep Holla <sudeep.holla at arm.com>
>>> Cc: Lorenzo Pieralisi <lpieralisi at kernel.org>
>>> Cc: Russell King <linux at armlinux.org.uk>
>>> Signed-off-by: Vincenzo Frascino <vincenzo.frascino at arm.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.
No, it's not clear because that statement still does not close
possibility of creating "Morello SDP v2" board. You should have two
compatibles, even if there are no plans to add new boards.
Best regards,
Krzysztof
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