RE: [PATCH v1 2/2] dt-bindings: extcon: Add Realtek DHC RTD SoC Type-C

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Hi Krzysztof,

> >>> +
> >>> +title: Realtek DHC RTD SoCs USB Type-C detection
> >>
> >> Type-c usually go to usb directory.
> >
> > This binding is not for a type-c controller.
> > It is an extcon device for type-c connector detection.
> > So I put it at extcon directory.
> 
> If this is not a type-c controller, then what is it? Explain me please what is an
> "extcon device" without using any Linux subsystem naming.

Sorry. "extcon device" may be the wrong name I'm using.

As far as I know, type-c controller supports PD detection, role detection, role swap and cc configuration.
But in our SoC, type c module only supports role detection.
So I don't think it's a type-c controller.

I found a similar driver at
drivers/extcon/extcon-usbc-cros-ec.c
It belongs to External Connector, which can detect USB Type C cables.

So our driver is an external connector driver.

> >
> > And I will add “connector” to the title.
> > title: Realtek DHC RTD SoCs USB Type-C Connector detection
> 
> So usb...

I refer to this binding, and it is in folder bindings/extcon.
docs/devicetree/bindings/extcon/extcon-usbc-cros-ec.yaml
Title: ChromeOS EC USB Type-C Cable and Accessory Detection

Thank,
Stanley




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