linux/Documentation/devicetree/bindings/extcon/extcon-twl.txt
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   1EXTCON FOR TWL CHIPS
   2
   3PALMAS USB COMPARATOR
   4Required Properties:
   5 - compatible : Should be "ti,palmas-usb" or "ti,twl6035-usb"
   6 - vbus-supply : phandle to the regulator device tree node.
   7
   8Optional Properties:
   9 - ti,wakeup : To enable the wakeup comparator in probe
  10
  11palmas-usb {
  12       compatible = "ti,twl6035-usb", "ti,palmas-usb";
  13       vbus-supply = <&smps10_reg>;
  14       ti,wakeup;
  15};
  16