diff --git a/sys/dev/usb/controller/xhci.h b/sys/dev/usb/controller/xhci.h
--- a/sys/dev/usb/controller/xhci.h
+++ b/sys/dev/usb/controller/xhci.h
@@ -487,6 +487,10 @@
 
 typedef int (xhci_port_route_t)(device_t, uint32_t, uint32_t);
 
+enum xhci_quirks {
+	XHCI_QUIRK_DISABLE_PORT_PED			= 0x00000001,
+};
+
 struct xhci_softc {
 	struct xhci_hw_softc	sc_hw;
 	/* base device */
@@ -563,6 +567,9 @@
 
 	/* vendor string for root HUB */
 	char			sc_vendor[16];
+
+	/* XHCI quirks. */
+	uint32_t		sc_quirks;
 };
 
 #define	XHCI_CMD_LOCK(sc)	sx_xlock(&(sc)->sc_cmd_sx)
diff --git a/sys/dev/usb/controller/xhci.c b/sys/dev/usb/controller/xhci.c
--- a/sys/dev/usb/controller/xhci.c
+++ b/sys/dev/usb/controller/xhci.c
@@ -3392,7 +3392,8 @@
 			XWRITE4(sc, oper, port, v | XHCI_PS_PRC);
 			break;
 		case UHF_PORT_ENABLE:
-			XWRITE4(sc, oper, port, v | XHCI_PS_PED);
+			if ((sc->sc_quirks & XHCI_QUIRK_DISABLE_PORT_PED) == 0)
+				XWRITE4(sc, oper, port, v | XHCI_PS_PED);
 			break;
 		case UHF_PORT_POWER:
 			XWRITE4(sc, oper, port, v & ~XHCI_PS_PP);