[PATCH v2] dt-bindings: dma: fsl,imx-dma: Convert to dtschema

Animesh Agarwal animeshagarwal28 at gmail.com
Fri May 31 04:13:52 PDT 2024


On Fri, May 31, 2024 at 3:49 PM Krzysztof Kozlowski <krzk at kernel.org> wrote:
>
> On 31/05/2024 11:04, Animesh Agarwal wrote:
> > +  "#dma-cells":
> > +    const: 1
> > +
> > +  dma-channels:
> > +    maximum: 16
>
> maximum or const?

The txt binding says it should always be 16. Datasheet says this
device has 16 channels of DMA services. I thought specifying just the
maximum implies maximum=minimum=16. Sorry for missing the changelog in
this version it was cost in the v1 of this patch.

>
> deprecated: true
>

Shall it not be
"#dma-channels ":
  deprecated: true
?

> > +
> > +  dma-requests:
> > +    description: Number of DMA requests supported.
>
> deprecated: true
>

Shall it not be
"#dma-requests ":
  deprecated: true
?

> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - interrupts
> > +  - "#dma-cells"
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    dma-controller at 10001000 {
> > +      compatible = "fsl,imx27-dma";
> > +      reg = <0x10001000 0x1000>;
> > +      interrupts = <32 33>;
> > +      #dma-cells = <1>;
> > +      dma-channels = <16>;
>
> and drop it from here

Is this really a deprecated property?



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