Re: [PATCH 1/2] dt-bindings: usb: nxp,ptn5110: add optional orientation-gpio property

[Krzysztof Kozlowski <krzk@kernel.org>]

On 11/03/2026 16:19, Xu Yang wrote:
> On Wed, Mar 11, 2026 at 02:00:21PM +0100, Krzysztof Kozlowski wrote:
>> On Tue, Mar 10, 2026 at 04:13:56PM +0800, Xu Yang wrote:
>>> The Type-C chip know the cable orientation and then normally will set the
>>> switch channel to correctly configure the data path. Some chips itself
>>> support to output the control signal by indicating the capability in
>>> bit[0] of STANDARD_OUTPUT_CAPABILITIES register and do it in
>>> CONFIG_STANDARD_OUTPUT register. For other chips which don't present this
>>> capability currently there are no way to achieve the orientation setting.
>>> Add an optional "orientation-gpio" property to achieve the same purpose.
>>>
>>> Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
>>> ---
>>>  Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml | 5 +++++
>>>  1 file changed, 5 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml b/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml
>>> index 65a8632b4d9e..866b5d033f4e 100644
>>> --- a/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml
>>> +++ b/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml
>>> @@ -26,6 +26,11 @@ properties:
>>>      $ref: /schemas/connector/usb-connector.yaml#
>>>      unevaluatedProperties: false
>>>  
>>> +  orientation-gpio:
>>
>> Ah, and you cannot have "gpio" property. It's also typeless and
>> constrain-less, so looks like you create some random code here. :/
> 
> Thanks for your correction.
> After carefully reading the doc I think it should be:
> 
>   orientation-gpios:
>     maxItems: 1
>     description: ...
> 
>>
>> >From where did you take such syntax?
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/tree/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml?h=usb-next#n61
> It may also need improvement.


And what is written in referenced schema - that's deprecated.

Best regards,
Krzysztof