diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index a20da8528a5f8b1826134b55be9ffdf00102d1b3..15945e806f032971abd692fc40bcc850f9133902 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -306,6 +306,8 @@ static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
 
 
 static struct usb_device_id id_table_combined [] = {
+	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 9f7343a45424494648f3d4341ed9f59249e09f9d..8888cd80a491a6da9b7adc40481d721101b488a5 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -32,6 +32,12 @@
 #define FTDI_NF_RIC_PID	0x0001	/* Product Id */
 
 
+/* www.canusb.com Lawicel CANUSB device */
+#define FTDI_CANUSB_PID 0xFFA8 /* Product Id */
+
+/* AlphaMicro Components AMC-232USB01 device */
+#define FTDI_AMC232_PID 0xFF00 /* Product Id */
+
 /* ACT Solutions HomePro ZWave interface (http://www.act-solutions.com/HomePro.htm) */
 #define FTDI_ACTZWAVE_PID	0xF2D0