linux-kernel - Re: [PATCH v2 1/2] dt-bindings: cdns,usb3: Add clock and reset

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Date:   Thu, 11 May 2023 11:26:19 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Minda Chen <minda.chen@...rfivetech.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Pawel Laszczak <pawell@...ence.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Chen <peter.chen@...nel.org>,
        Roger Quadros <rogerq@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: cdns,usb3: Add clock and reset

On 10/05/2023 15:28, Minda Chen wrote:
> To support generic clock and reset init in Cadence USBSS
> controller, add clock and reset dts configuration.
> 
> Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
> ---
>  .../devicetree/bindings/usb/cdns,usb3.yaml         | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
> index cae46c4982ad..623c6b34dee3 100644
> --- a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
> +++ b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
> @@ -42,6 +42,18 @@ properties:
>        - const: otg
>        - const: wakeup
>  
> +  clocks:
> +    minItems: 1
> +    maxItems: 8
> +    description:
> +      USB controller clocks.

You need to list the items. And why is it variable? Your clock choice in
the example is poor, I doubt it is real.

> +
> +  resets:
> +    minItems: 1
> +    maxItems: 8
> +    description:
> +      USB controller generic resets.

Here as well.

You had one clock last time, thus the review was - drop the names. Now
you changed it to 8 clocks... I don't understand.

Best regards,
Krzysztof