Documentation/devicetree/bindings/extcon/qcom,pm8941-misc.txt

   1 Qualcomm's PM8941 USB ID Extcon device
   2
   3 Some Qualcomm PMICs have a "misc" module that can be used to detect when
   4 the USB ID pin has been pulled low or high.
   5
   6 PROPERTIES
   7
   8 - compatible:
   9     Usage: required
  10     Value type: <string>
  11     Definition: Should contain "qcom,pm8941-misc";
  12
  13 - reg:
  14     Usage: required
  15     Value type: <u32>
  16     Definition: Should contain the offset to the misc address space
  17
  18 - interrupts:
  19     Usage: required
  20     Value type: <prop-encoded-array>
  21     Definition: Should contain the usb id interrupt
  22
  23 - interrupt-names:
  24     Usage: required
  25     Value type: <stringlist>
  26     Definition: Should contain the string "usb_id" for the usb id interrupt
  27
  28 Example:
  29
  30         pmic {
  31                 usb_id: misc@900 {
  32                         compatible = "qcom,pm8941-misc";
  33                         reg = <0x900>;
  34                         interrupts = <0x0 0x9 0 IRQ_TYPE_EDGE_BOTH>;
  35                         interrupt-names = "usb_id";
  36                 };
  37         }
  38
  39         usb-controller {
  40                 extcon = <&usb_id>;
  41         };