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

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Date:   Wed, 18 Mar 2020 09:35:08 +0100
From:   Martin Kepplinger <martin.kepplinger@...i.sm>
To:     balbi@...nel.org, robh@...nel.org
Cc:     gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Martin Kepplinger <martin.kepplinger@...i.sm>
Subject: [PATCH 2/2] dt-bindings: usb: dwc3: add optional extcon description

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.
  - 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