Re: [PATCH v2] dt-bindings: dma: ti,dma-crossbar: Convert to DT schema

[Krzysztof Kozlowski]

On Wed, Jul 08, 2026 at 10:02:18PM +0530, Bhargav Joshi wrote:
> +properties:
> +  compatible:
> +    enum:
> +      - ti,dra7-dma-crossbar
> +      - ti,am335x-edma-crossbar
> +
> +  reg:
> +    maxItems: 1
> +
> +  "#dma-cells":
> +    minimum: 1
> +    maximum: 3

That's rather:
  enum: [1, 3]

right?

> +
> +  dma-requests:
> +    minimum: 1
> +    maximum: 256
> +
> +  dma-masters:
> +    maxItems: 1
> +
> +  ti,dma-safe-map:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: Safe routing value for unused request lines
> +
> +  ti,reserved-dma-request-ranges:
> +    $ref: /schemas/types.yaml#/definitions/uint32-matrix
> +    description:
> +      DMA request ranges which should not be used when mapping xbar input to
> +      DMA request, they are either allocated to be used by for example the DSP
> +      or they are used as memcpy channels in eDMA.
> +    items:
> +      items:
> +        - description: starting DMA request line number
> +        - description: number of consecutive lines to reserve
> +
> +required:
> +  - compatible
> +  - reg
> +  - "#dma-cells"
> +  - dma-requests
> +  - dma-masters
> +
> +allOf:
> +  - $ref: dma-router.yaml#
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: ti,am335x-edma-crossbar
> +    then:
> +      properties:
> +        "#dma-cells":
> +          const: 3

else:
  properties:
    dma-cels:
      const: 1

      Best regards,
      Krzysztof