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SubjectRe: [PATCH 1/2] dt-bindings: ARM: at91: Document Microchip SAMA5D29 Curiosity
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On 01/08/2023 at 17:35, Conor Dooley wrote:
>> diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.yaml b/Documentation/devicetree/bindings/arm/atmel-at91.yaml
>> index dfb8fd089197..89d75fbb1de4 100644
>> --- a/Documentation/devicetree/bindings/arm/atmel-at91.yaml
>> +++ b/Documentation/devicetree/bindings/arm/atmel-at91.yaml
>> @@ -79,6 +79,13 @@ properties:
>> - const: atmel,sama5d2
>> - const: atmel,sama5
>>
>> + - description: Microchip SAMA5D29 Curiosity
>> + items:
>> + - const: microchip,sama5d29-curiosity
>> + - const: atmel,sama5d29
>> + - const: atmel,sama5d2
>> + - const: atmel,sama5
> What is the benefit of adding the two familial compatibles? Is there
> software that actually uses these?

"atmel,sama5d2" is used by arch/arm/mach-at91/sama5.c file
"atmel,sama5" is used by drivers/soc/atmel/soc.c file, so yes they are
needed to instantiate a sama5d29 SoC.

Best regards,
Nicolas

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