linux-kernel - Re: [PATCH 2/2] dt-bindings: usb: dwc3: add optional extcon description

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Message-ID: <20200330230434.GA21343@bogus>
Date:   Mon, 30 Mar 2020 17:04:34 -0600
From:   Rob Herring <robh@...nel.org>
To:     Martin Kepplinger <martin.kepplinger@...i.sm>
Cc:     balbi@...nel.org, gregkh@...uxfoundation.org,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: usb: dwc3: add optional extcon
 description

On Wed, Mar 18, 2020 at 09:35:08AM +0100, Martin Kepplinger wrote:
> the dwc3 drd module already hooks up an extcon device if described in DT.
> 
> Signed-off-by: Martin Kepplinger <martin.kepplinger@...i.sm>
> ---
>  Documentation/devicetree/bindings/usb/dwc3.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
> index 9946ff9ba735..9aa0cefbf5f6 100644
> --- a/Documentation/devicetree/bindings/usb/dwc3.txt
> +++ b/Documentation/devicetree/bindings/usb/dwc3.txt
> @@ -31,6 +31,8 @@ Exception for clocks:
>      "xlnx,zynqmp-dwc3"
>  
>  Optional properties:
> + - extcon: phandle for the extcon device dwc3 DRD uses to detect
> +   connect/disconnect events.

This is deprecated in favor of usb-connector binding. I guess fine to 
document it, but needs a big fat deprecated, do not use message.

>   - usb-phy : array of phandle for the PHY device.  The first element
>     in the array is expected to be a handle to the USB2/HS PHY and
>     the second element is expected to be a handle to the USB3/SS PHY
> -- 
> 2.20.1
>