Re: [PATCH v3 1/2] dt-bindings: usb: gpio-sbu-mux: Add compatible for FUSB340

[Fabrice Gasnier <fabrice.gasnier@foss.st.com>]

On 9/1/26 08:31, Xu Yang wrote:
> Hi Fabrice,
> 
> On Wed, Aug 26, 2026 at 02:16:35PM +0200, Fabrice Gasnier wrote:
>> Add a compatible for the FUSB340 GPIO-based 2:1 SuperSpeed switch
>> with enable-gpios and select-gpios controls. The switch can be used
>> in Type-C applications where a reversible cable requires a switch.
>>
>> Suggested-by: Marek Vasut <marex@nabladev.com>
>> Acked-by: Conor Dooley <conor.dooley@microchip.com>
>> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
>> ---
>>  Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml b/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml
>> index 793662f6f3bf..c0e60848d8ab 100644
>> --- a/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml
>> +++ b/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml
>> @@ -22,6 +22,7 @@ properties:
>>            - nxp,cbdtu02043
>>            - onnn,fsusb42
>>            - onnn,fsusb43l10x
>> +          - onnn,fusb340
>>            - pericom,pi3usb102
>>            - ti,tmuxhs4212
>>        - const: gpio-sbu-mux
> 
> To be honest, the added one is SuperSpeed Line switch. The gpio-sbu-mux.yaml
> describes SBU line here. They are different. Should another compatible name
> be created? Such as gpio-ss-mux or similar?

Hi Xu,

It is very similar to other parts supported here already (see tmuxhs4212
datasheet). I don't understand why another compatible would be created ?
And other properties in the bindings indicate the purpose, e.g.
mode-switch, orientation-switch.

BR,
Fabrice

> 
> Thanks,
> Xu Yang
> 
>>
>> -- 
>> 2.43.0
>>