Re: [PATCH v2 1/2] dt-bindings: mtd: partitions: Add binding for Sercomm parser

From: Krzysztof Kozlowski
Date: Sun Apr 10 2022 - 04:15:17 EST


On 09/04/2022 20:04, Mikhail Zhilkin wrote:
> On 4/9/2022 3:43 PM, Krzysztof Kozlowski wrote:
>
>>> I'm not sure that "scpart-id" is necessary here. "sercomm,sc-partitions"
>>> is necessary. I'm going to add vendor prefix in a separate patch. Is this
>>> ok?
>> Yes.
>
> Thanks!
>
>>>>> +required:
>>>>> + - compatible
>>>> Missing reg.
>>> reg isn't required. Parser can read partition offsets and sizes from
>>> SC PART MAP table. Or do you mean something else?  All is ok
>>> without reg definition in "Example" (except the warns that reg property
>>> is missing).
>> reg might not be required for current implementation but it is required
>> by devicetree for every node with unit address. Do you expect here nodes
>> without unit addresses?
> Only "partitions" node has no unit address.

This confused me. Do you have a child node named "partitions"?

> All subnodes  have unit
> addresses and therefore have to have reg property.

So all of them need reg.

> I've just realized
> that "fixed-partitions.yaml" is almost my case. It looks like I can
> copy'n'paste  "required" and "*properties".
> Do you mind if I don't reinvent the wheel and reuse this good
> practice?

Re-using proper stuff is good, but just don't blindly copy. You need
still compatible and reg in required properties.

Best regards,
Krzysztof