[PATCH v7 05/11] dt-bindings: usb: ci-hdrc-usb2-imx: add restrictions for reg, interrupts, clock and clock-names properties

[Krzysztof Kozlowski]

On 28/02/2024 12:29, Xu Yang wrote:
> Add restrictions for reg, interrupts, clock and clock-names properties
> for imx Socs.
> 
> Signed-off-by: Xu Yang <xu.yang_2 at nxp.com>
> 
> ---
> Changes in v4:
>  - new patch since v3's discussion
>  - split the reg, interrupts, clock and clock-names properties into
>    common part and device-specific
> Changes in v5:
>  - keep common property unchanged
>  - make if-then more readable
>  - remove non imx part
> Changes in v6:
>  - new patch based on ci-hdrc-usb2-imx.yaml
> Changes in v7:
>  - no changes
> ---
>  .../bindings/usb/ci-hdrc-usb2-imx.yaml        | 52 +++++++++++++++++++
>  1 file changed, 52 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2-imx.yaml b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2-imx.yaml
> index 50494ce06d07..a4730a2393e6 100644
> --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2-imx.yaml
> +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2-imx.yaml
> @@ -49,6 +49,12 @@ properties:
>            - const: fsl,imx6ul-usb
>            - const: fsl,imx27-usb
>  
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1

This kind of proves that your previous patch does not make sense. Why
common IMX schema allows two items, but IMX allows only one? So the
common is not only for IMX, right?

Best regards,
Krzysztof