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

From: Xu Yang

Date: Tue Sep 01 2026 - 02:38:46 EST


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@xxxxxxxxxxxx>
> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>
> ---
> 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?

Thanks,
Xu Yang

>
> --
> 2.43.0
>