On 27/08/2024 12:44, Jan Kiszka wrote: >>> maxItems: 1 >>> @@ -69,6 +71,9 @@ properties: >>> items: >>> pattern: '^pcie-phy[0-1]$' >>> >>> + memory-region: >>> + description: phandle to restricted DMA pool to be used for all devices behind this controller >> >> missing constraints, maxItems >> > > In fact, that was intentional: There could also be multiple region > specified here. The driver already handles this. Then list the items with description and minItems: 1. Best regards, Krzysztof