linux-kernel - Re: [PATCH 13/22] dt-bindings: chrome: Add google,cros-ec-typec-switch binding

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Date: Sun, 11 Feb 2024 14:35:35 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Stephen Boyd <swboyd@...omium.org>, chrome-platform@...ts.linux.dev
Cc: linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
 linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, Douglas Anderson <dianders@...omium.org>,
 Pin-yen Lin <treapking@...omium.org>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
 Benson Leung <bleung@...omium.org>, Guenter Roeck <groeck@...omium.org>,
 Prashant Malani <pmalani@...omium.org>, Tzung-Bi Shih <tzungbi@...nel.org>
Subject: Re: [PATCH 13/22] dt-bindings: chrome: Add
 google,cros-ec-typec-switch binding

On 10/02/2024 08:09, Stephen Boyd wrote:
> Add a binding for the USB type-c switch controls found on some ChromeOS
> Embedded Controllers (ECs). When this device is a mode switch, it takes
> one DisplayPort (DP) port as input and some number (possibly zero) of
> USB SuperSpeed ports (bundles of USB SS lanes) as input, and muxes those
> lanes into USB type-c SuperSpeed lanes suitable for the SSTRX1/2 pins on
> a usb-c-connector. When this device is an orientation switch, it
> redirects the DP lanes to the proper USB type-c SSTRX lanes.
> 
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
> Cc: Conor Dooley <conor+dt@...nel.org>
> Cc: Lee Jones <lee@...nel.org>
> Cc: Benson Leung <bleung@...omium.org>
> Cc: Guenter Roeck <groeck@...omium.org>
> Cc: Prashant Malani <pmalani@...omium.org>
> Cc: Tzung-Bi Shih <tzungbi@...nel.org>
> Cc: <devicetree@...r.kernel.org>
> Cc: <chrome-platform@...ts.linux.dev>
> Cc: Pin-yen Lin <treapking@...omium.org>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>
> ---
>  .../chrome/google,cros-ec-typec-switch.yaml   | 365 ++++++++++++++++++
>  .../bindings/mfd/google,cros-ec.yaml          |   5 +
>  2 files changed, 370 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/chrome/google,cros-ec-typec-switch.yaml

Ah, and wrong placement. There is no hardware called "chrome", please
don't stuff things there. USB switches go to other USB switches (git
grep usb-switch.yaml will give you hints).

Best regards,
Krzysztof