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

[Krzysztof Kozlowski <krzk@kernel.org>]

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:
> +    description: Optional orientation select control if the chip doesn't
> +      present "Connector Orientation" bit[0] in STANDARD_OUTPUT_CAPABILITIES

What do you mean by "if the chip"? There is only one chip, so its
registers are fixed. Why would this device sometimes report it and
sometimes not?

Best regards,
Krzysztof