Re: [PATCH v2 5/9] dt-bindings: iio: dac: add ad3552r axi-dac compatible

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On 9/5/24 10:17 AM, Angelo Dureghello wrote:
> From: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
> 
> Add a new compatible for the ad3552r variant of the generic DAC IP.
> 
> The ad3552r DAC IP variant is very similar to the generic DAC IP,
> register map is the same, but some register fields are specific to
> this IP, and also, a DDR QSPI bus has been included in the IP.
> 
> Signed-off-by: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml b/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml
> index a55e9bfc66d7..c0cccb7a99a4 100644
> --- a/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml
> +++ b/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml
> @@ -24,6 +24,7 @@ properties:
>    compatible:
>      enum:
>        - adi,axi-dac-9.1.b
> +      - adi,axi-dac-ad3552r
>  
>    reg:
>      maxItems: 1
> 

I think we will also need more for child nodes:

patternProperties:
  "^dac@[0-9a-f]+$":
    type: object
    additionalProperties: true

    reg:
      # add more rules for reg here

    required:
      - compatible
      - reg

allOf:
  - if:
      not:
        properties:
          compatible:
            contains:
              - adi,axi-dac-ad3552r
    then:
      patternProperties:
        "^dac@[0-9a-f]+$": false

---

Or use existing SPI bindings.




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