The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/extcon/qcom,pm8941-misc.txt

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    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         };

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