Re: [PATCH v2 2/2] dt-bindings: dma: fsl-edma: allow 'power-domains' property

From: Frank Li
Date: Sat Mar 02 2024 - 10:42:51 EST


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?

Frank

>
> Best regards,
> Krzysztof
>