Qualcomm's PM8941 USB ID Extcon device Some Qualcomm PMICs have a "misc" module that can be used to detect when the USB ID pin has been pulled low or high. PROPERTIES - compatible: Usage: required Value type: Definition: Should contain "qcom,pm8941-misc"; - reg: Usage: required Value type: Definition: Should contain the offset to the misc address space - interrupts: Usage: required Value type: Definition: Should contain the usb id interrupt - interrupt-names: Usage: required Value type: Definition: Should contain the string "usb_id" for the usb id interrupt Example: pmic { usb_id: misc@900 { compatible = "qcom,pm8941-misc"; reg = <0x900>; interrupts = <0x0 0x9 0 IRQ_TYPE_EDGE_BOTH>; interrupt-names = "usb_id"; }; } usb-controller { extcon = <&usb_id>; };