On 02/03/2024 16:42, Frank Li wrote: > On Sat, Mar 02, 2024 at 02:59:39PM +0100, Krzysztof Kozlowski wrote: >> On 01/03/2024 22:45, Frank Li wrote: >>> Allow 'power-domains' property because i.MX8DXL i.MX8QM and i.MX8QXP need >>> it. >>> >>> Fixed below DTB_CHECK warning: >>> dma-controller@599f0000: Unevaluated properties are not allowed ('power-domains' was unexpected) >>> >>> Signed-off-by: Frank Li <Frank.Li@xxxxxxx> >>> --- >>> >>> Notes: >>> Change from v1 to v2 >>> - using maxitem: 64. Each channel have one power domain. Max 64 dmachannel. >>> - add power-domains to 'required' when compatible string is fsl,imx8qm-adma >>> or fsl,imx8qm-edma >>> >>> .../devicetree/bindings/dma/fsl,edma.yaml | 15 +++++++++++++++ >>> 1 file changed, 15 insertions(+) >>> >>> diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Documentation/devicetree/bindings/dma/fsl,edma.yaml >>> index cf0aa8e6b9ec3..76c1716b8b95c 100644 >>> --- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml >>> +++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml >>> @@ -59,6 +59,10 @@ properties: >>> minItems: 1 >>> maxItems: 2 >>> >>> + power-domains: >>> + minItems: 1 >>> + maxItems: 64 >> >> Hm, this is odd. Blocks do not belong to almost infinite number of power >> domains. > > Sorry, what's your means? 'power-domains' belong to 'properties'. > 'maxItems' belong to 'power-domains'.It is similar with 'clocks'. what's > wrong? That one device belong to 64 power domains. That's just random code... Best regards, Krzysztof