linux-kernel - Re: [PATCH v2 1/2] dt-bindings: usb: Add downstream facing ports to realtek binding

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Date: Fri, 1 Mar 2024 11:56:53 -0600
From: Rob Herring <robh@...nel.org>
To: Stephen Boyd <swboyd@...omium.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
	devicetree@...r.kernel.org,
	Douglas Anderson <dianders@...omium.org>,
	Pin-yen Lin <treapking@...omium.org>,
	Herve Codina <herve.codina@...tlin.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Roy Luo <royluo@...gle.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Kaehlcke <mka@...omium.org>, linux-usb@...r.kernel.org,
	maciek swiech <drmasquatch@...gle.com>
Subject: Re: [PATCH v2 1/2] dt-bindings: usb: Add downstream facing ports to
 realtek binding

On Thu, Feb 22, 2024 at 04:58:20PM -0800, Stephen Boyd wrote:
> Add a graph with 4 output endpoints to this hub binding to support the
> scenario where a downstream facing port is connected to a device that
> isn't a connector or a USB device with a VID:PID. This will be used to
> connect downstream facing ports to USB type-c switches so the USB
> superspeed and high speed lanes can be put onto USB connectors.
> 
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
> Cc: Conor Dooley <conor+dt@...nel.org>
> Cc: Matthias Kaehlcke <mka@...omium.org>
> Cc: <linux-usb@...r.kernel.org>
> Cc: <devicetree@...r.kernel.org>
> Cc: Pin-yen Lin <treapking@...omium.org>
> Cc: maciek swiech <drmasquatch@...gle.com>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>
> ---
>  .../bindings/usb/realtek,rts5411.yaml         | 55 +++++++++++++++++++
>  1 file changed, 55 insertions(+)

I think we need a usb-hub.yaml schema... For now,

Reviewed-by: Rob Herring <robh@...nel.org>