Index: share/man/man4/ehci.4
===================================================================
--- share/man/man4/ehci.4
+++ share/man/man4/ehci.4
@@ -29,7 +29,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd January 15, 2017
+.Dd August 3, 2017
 .Dt EHCI 4
 .Os
 .Sh NAME
@@ -69,16 +69,6 @@
 .Tn USB
 2.0 devices plugged in to the same
 connector appear to connect to different USB buses.
-.Sh SEE ALSO
-.Xr ohci 4 ,
-.Xr uhci 4 ,
-.Xr usb 4 ,
-.Xr xhci 4
-.Sh HISTORY
-The
-.Nm
-device driver first appeared in
-.Fx 5.1 .
 .Sh LOADER TUNABLES
 When the kernel has been compiled with
 .Cd options USB_DEBUG ,
@@ -98,4 +88,27 @@
 .It Va hw.usb.ehci.no_hs
 This tunable disables USB devices to attach like HIGH-speed ones and will force all attached devices to attach to the FULL- or LOW-speed companion controller.
 The default value is 0 (off).
+.Sh MIB Variables
+The
+.Nm
+driver exposes the following variables in the
+.Va hw.usb.ehci
+branch of the
+.Xr sysctl 3
+MIB:
+.Bl -tag -width ".Va debug"
+.It Va debug
+Debug output level, where 0 is debugging disabled and larger values increase
+debug message verbosity.
+Default is 0.
 .El
+.Sh SEE ALSO
+.Xr ohci 4 ,
+.Xr uhci 4 ,
+.Xr usb 4 ,
+.Xr xhci 4
+.Sh HISTORY
+The
+.Nm
+device driver first appeared in
+.Fx 5.1 .
Index: share/man/man4/ohci.4
===================================================================
--- share/man/man4/ohci.4
+++ share/man/man4/ohci.4
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 23, 2005
+.Dd August 3, 2017
 .Dt OHCI 4
 .Os
 .Sh NAME
@@ -59,6 +59,19 @@
 .It
 Sun PCIO-2 (RIO USB)
 .El
+.Sh MIB Variables
+The
+.Nm
+driver exposes the following variables in the
+.Va hw.usb.ohci
+branch of the
+.Xr sysctl 3
+MIB:
+.Bl -tag -width ".Va debug"
+.It Va debug
+Debug output level, where 0 is debugging disabled and larger values increase
+debug message verbosity.
+Default is 0.
 .Sh SEE ALSO
 .Xr ehci 4 ,
 .Xr uhci 4 ,
Index: share/man/man4/ucom.4
===================================================================
--- share/man/man4/ucom.4
+++ share/man/man4/ucom.4
@@ -29,7 +29,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 26, 2017
+.Dd August 3, 2017
 .Dt UCOM 4
 .Os
 .Sh NAME
@@ -63,6 +63,21 @@
 or
 .Xr ppp 8
 can be used to access the device.
+.Sh MIB Variables
+The
+.Nm
+driver exposes the following variables in the
+.Va hw.usb.ucom
+branch of the
+.Xr sysctl 3
+MIB:
+.Bl -tag -width ".Va pps_mode"
+.It Va debug
+Debug output level, where 0 is debugging disabled and larger values increase
+debug message verbosity.
+Default is 0.
+.It Va pps_mode
+Enables and configure PPS capture mode as described below.
 .Sh Pulse Per Second (PPS) Timing Interface
 The
 .Nm
Index: share/man/man4/ugen.4
===================================================================
--- share/man/man4/ugen.4
+++ share/man/man4/ugen.4
@@ -29,7 +29,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 16, 2014
+.Dd August 3, 2017
 .Dt UGEN 4
 .Os
 .Sh NAME
@@ -291,6 +291,19 @@
 .Va alt_index
 should be set to
 .Dv USB_CURRENT_ALT_INDEX .
+.Sh MIB Variables
+The
+.Nm
+driver exposes the following variables in the
+.Va hw.usb.ugen
+branch of the
+.Xr sysctl 3
+MIB:
+.Bl -tag -width ".Va debug"
+.It Va debug
+Debug output level, where 0 is debugging disabled and larger values increase
+debug message verbosity.
+Default is 0.
 .Sh FILES
 .Bl -tag -width ".Pa /dev/ugen Ns Ar N Ns Pa \&. Ns Ar E" -compact
 .It Pa /dev/ugen Ns Ar N Ns Pa \&. Ns Ar E
Index: share/man/man4/uhci.4
===================================================================
--- share/man/man4/uhci.4
+++ share/man/man4/uhci.4
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 20, 2005
+.Dd August 3, 2017
 .Dt UHCI 4
 .Os
 .Sh NAME
@@ -49,6 +49,19 @@
 .It
 VIA 83C572
 .El
+.Sh MIB Variables
+The
+.Nm
+driver exposes the following variables in the
+.Va hw.usb.uhci
+branch of the
+.Xr sysctl 3
+MIB:
+.Bl -tag -width ".Va debug"
+.It Va debug
+Debug output level, where 0 is debugging disabled and larger values increase
+debug message verbosity.
+Default is 0.
 .Sh SEE ALSO
 .Xr ehci 4 ,
 .Xr ohci 4 ,
Index: share/man/man4/uhid.4
===================================================================
--- share/man/man4/uhid.4
+++ share/man/man4/uhid.4
@@ -29,7 +29,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 22, 2006
+.Dd August 3, 2017
 .Dt UHID 4
 .Os
 .Sh NAME
@@ -127,6 +127,19 @@
 to send data to the device.
 Data should be written in chunks of the
 size prescribed by the report descriptor.
+.Sh MIB Variables
+The
+.Nm
+driver exposes the following variables in the
+.Va hw.usb.uhid
+branch of the
+.Xr sysctl 3
+MIB:
+.Bl -tag -width ".Va debug"
+.It Va debug
+Debug output level, where 0 is debugging disabled and larger values increase
+debug message verbosity.
+Default is 0.
 .Sh FILES
 .Bl -tag -width ".Pa /dev/uhid?"
 .It Pa /dev/uhid?
Index: share/man/man4/ukbd.4
===================================================================
--- share/man/man4/ukbd.4
+++ share/man/man4/ukbd.4
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 22, 2006
+.Dd August 3, 2017
 .Dt UKBD 4
 .Os
 .Sh NAME
@@ -136,6 +136,19 @@
 Do not allow the user to change the keymap.
 Note that these options also affect the AT keyboard driver,
 .Xr atkbd 4 .
+.Sh MIB Variables
+The
+.Nm
+driver exposes the following variables in the
+.Va hw.usb.ukbd
+branch of the
+.Xr sysctl 3
+MIB:
+.Bl -tag -width ".Va debug"
+.It Va debug
+Debug output level, where 0 is debugging disabled and larger values increase
+debug message verbosity.
+Default is 0.
 .Sh FILES
 .Bl -tag -width ".Pa /dev/kbd*" -compact
 .It Pa /dev/kbd*
Index: share/man/man4/ums.4
===================================================================
--- share/man/man4/ums.4
+++ share/man/man4/ums.4
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 27, 2006
+.Dd August 3, 2017
 .Dt UMS 4
 .Os
 .Sh NAME
@@ -64,6 +64,19 @@
 See
 .Xr moused 8
 for an explanation of these mouse types.
+.Sh MIB Variables
+The
+.Nm
+driver exposes the following variables in the
+.Va hw.usb.ums
+branch of the
+.Xr sysctl 3
+MIB:
+.Bl -tag -width ".Va debug"
+.It Va debug
+Debug output level, where 0 is debugging disabled and larger values increase
+debug message verbosity.
+Default is 0.
 .Sh FILES
 .Bl -tag -width /dev/ums0 -compact
 .It Pa /dev/ums0
Index: share/man/man4/uplcom.4
===================================================================
--- share/man/man4/uplcom.4
+++ share/man/man4/uplcom.4
@@ -29,7 +29,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 26, 2017
+.Dd August 3, 2017
 .Dt UPLCOM 4
 .Os
 .Sh NAME
@@ -180,6 +180,19 @@
 .It
 Zeagle N2iTion3 Diving Computer
 .El
+.Sh MIB Variables
+The
+.Nm
+driver exposes the following variables in the
+.Va hw.usb.uplcom
+branch of the
+.Xr sysctl 3
+MIB:
+.Bl -tag -width ".Va debug"
+.It Va debug
+Debug output level, where 0 is debugging disabled and larger values increase
+debug message verbosity.
+Default is 0.
 .Sh FILES
 .Bl -tag -width "/dev/ttyU*.init" -compact
 .It Pa /dev/ttyU*
Index: share/man/man4/usb.4
===================================================================
--- share/man/man4/usb.4
+++ share/man/man4/usb.4
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 29, 2017
+.Dd August 3, 2017
 .Dt USB 4
 .Os
 .Sh NAME
@@ -131,6 +131,19 @@
 .It
 If none is found, generic interface class drivers can attach.
 .El
+.Sh MIB Variables
+The
+.Nm
+driver exposes the following variables in the
+.Va hw.usb
+branch of the
+.Xr sysctl 3
+MIB:
+.Bl -tag -width ".Va debug"
+.It Va debug
+Debug output level, where 0 is debugging disabled and larger values increase
+debug message verbosity.
+Default is 0.
 .Sh SEE ALSO
 The
 .Tn USB
Index: share/man/man4/xhci.4
===================================================================
--- share/man/man4/xhci.4
+++ share/man/man4/xhci.4
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 17, 2011
+.Dd August 3, 2017
 .Dt XHCI 4
 .Os
 .Sh NAME
@@ -56,6 +56,19 @@
 .Tn XHCI
 compatible controllers having PCI class 12 (serial bus),
 subclass 3 (USB) and programming interface 48 (XHCI).
+.Sh MIB Variables
+The
+.Nm
+driver exposes the following variables in the
+.Va hw.usb.xhci
+branch of the
+.Xr sysctl 3
+MIB:
+.Bl -tag -width ".Va debug"
+.It Va debug
+Debug output level, where 0 is debugging disabled and larger values increase
+debug message verbosity.
+Default is 0.
 .Sh SEE ALSO
 .Xr ehci 4 ,
 .Xr ohci 4 ,