diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index d312b5079301ded5a8b156c93f5f4b4e307a5a08..e9e9c78dceb32b903c2d36bfdc86bda0c3434880 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -191,6 +191,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
 	{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 0c6eb253c4bde09b6c2028f7662363f162216f2e..62f05e66ddac509f37bfccb2c2fed93e43b37e76 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -506,6 +506,7 @@
  *
  * Armin Laeuger originally sent the PID for the UM 100 module.
  */
+#define FTDI_R2000KU_TRUE_RNG	0xFB80  /* R2000KU TRUE RNG */
 #define FTDI_ELV_UR100_PID	0xFB58	/* USB-RS232-Umsetzer (UR 100) */
 #define FTDI_ELV_UM100_PID	0xFB5A	/* USB-Modul UM 100 */
 #define FTDI_ELV_UO100_PID	0xFB5B	/* USB-Modul UO 100 */