Index: uspace/doc/doxygroups.h
===================================================================
--- uspace/doc/doxygroups.h	(revision 859450538f7da6462b10a730d5e9b067835691b5)
+++ uspace/doc/doxygroups.h	(revision 88be3a0b1a7c875538a94161da2fc45d37ff78e3)
@@ -172,7 +172,26 @@
  */
 	/**
-	 * @defgroup libusb USB library
-	 * @ingroup usb
-	 * @brief Library for creating USB devices drivers.
+	 * @defgroup libusb Base USB library
+	 * @ingroup usb
+	 * @brief Common definitions for any driver or application
+	 * dealing with USB.
+	 */
+
+	/**
+	 * @defgroup libusbdev USB library for device drivers
+	 * @ingroup usb
+	 * @brief Library for writing drivers of endpoint devices (functions).
+	 */
+
+	/**
+	 * @defgroup libusbhost USB library for host controller drivers
+	 * @ingroup usb
+	 * @brief Library for writing host controller drivers.
+	 */
+
+	/**
+	 * @defgroup libusbhid USB library for HID devices
+	 * @ingroup usb
+	 * @brief Library for writing USB HID drivers.
 	 */