Re: [PATCH v2 1/9] dt-bindings: arm-smmu: Allow up to 3 power-domains

[Krzysztof Kozlowski]

On 14/11/2022 11:42, Konrad Dybcio wrote:
> Some SMMUs require that a vote is held on as much as 3 separate PDs
> (hello Qualcomm). Allow it in bindings.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
> Changes since v1:
> - Add minItems
> 
>  Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> index 9066e6df1ba1..82bc696de662 100644
> --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> @@ -159,7 +159,8 @@ properties:
>            through the TCU's programming interface.
>  
>    power-domains:
> -    maxItems: 1
> +    minItems: 0

It cannot be 0.

minItems: 1

Anyway you still need to restrict it per variant, as I said in previous
version.

Best regards,
Krzysztof