linux-kernel - Re: [PATCHv1 1/3] dt-bindings: usb: Add RK3588 OHCI

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Message-ID: <0f671b8a-fbc4-a7c0-1469-a9e3f180e776@linaro.org>
Date:   Thu, 6 Apr 2023 13:02:44 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...labora.com
Subject: Re: [PATCHv1 1/3] dt-bindings: usb: Add RK3588 OHCI

On 06/04/2023 12:51, Sebastian Reichel wrote:
> Hi Krzysztof,
> 
> On Thu, Apr 06, 2023 at 09:45:11AM +0200, Krzysztof Kozlowski wrote:
>> On 04/04/2023 16:53, Sebastian Reichel wrote:
>>> Add compatible for RK3588 OHCI. As far as I know it's fully
>>> compatible with generic-ohci.
>>>
>>> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
>>> ---
>>>  .../devicetree/bindings/usb/generic-ohci.yaml  | 18 ++++++++++++++++--
>>>  1 file changed, 16 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
>>> index a9ba7257b884..d84732a100ba 100644
>>> --- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml
>>> +++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
>>> @@ -44,6 +44,7 @@ properties:
>>>                - hpe,gxp-ohci
>>>                - ibm,476gtr-ohci
>>>                - ingenic,jz4740-ohci
>>> +              - rockchip,rk3588-ohci
>>>                - snps,hsdk-v1.0-ohci
>>>            - const: generic-ohci
>>>        - enum:
>>> @@ -68,8 +69,6 @@ properties:
>>>      maxItems: 2
>>>  
>>>    clocks:
>>> -    minItems: 1
>>> -    maxItems: 3
>>
>> The constraints here should stay.
> 
> dtbs_check complained about the 4 RK3588 clock entries if this
> stays. That's why I moved them to the condition down below into
> the else branch.

Which is not what we want. We want the constraints here (the widest).

Best regards,
Krzysztof