Re: [PATCH 1/2] dt-bindings: display: renesas,du: narrow interrupts and resets per variants

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On 18/08/2024 19:41, Laurent Pinchart wrote:
> Hi Krzysztof,
> 
> Thank you for the patch.
> 
> On Sun, Aug 18, 2024 at 07:30:02PM +0200, Krzysztof Kozlowski wrote:
>> Each variable-length property like interrupts or resets must have fixed
>> constraints on number of items for given variant in binding.  The
>> clauses in "if:then:" block should define both limits: upper and lower.
> 
> I thought that, when only one of minItems or maxItems was specified, the
> other automatically defaulted to the same value. I'm pretty sure I
> recall Rob asking me to drop one of the two in some bindings. Has the
> rule changes ? Is it documented somewhere ?

New dtschema changed it and, even if previous behavior is restored, the
size in if:then: always had to be constrained. You could have skipped
one side of limit if it was equal to outer/top-level limit, e.g:

properties:
  clocks:
    minItems: 1
    maxItems: 2


if:then:properties:
  clocks:
    minItems: 2


Best regards,
Krzysztof





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