Re: [PATCH v2 1/6] dt-bindings: usb: qcom,dwc3: Add bindings for SA8775P

[Krzysztof Kozlowski]

On 28/04/2023 15:08, Shazad Hussain wrote:
> Add the compatible string for SA8775P SoC from Qualcomm.
> 
> Signed-off-by: Shazad Hussain <quic_shazhuss@xxxxxxxxxxx>
> ---

(...)

> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,sa8775p-dwc3
> +    then:
> +      properties:
> +        interrupts:
> +          minItems: 3
> +          maxItems: 4
> +        interrupt-names:
> +          minItems: 3
> +          items:
> +            - const: pwr_event
> +            - const: dp_hs_phy_irq
> +            - const: dm_hs_phy_irq
> +            - const: ss_phy_irq

Why the last interrupt line is optional? Is it really optional?

Best regards,
Krzysztof