diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 1665f5d..07884e0 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -420,6 +420,14 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
 	/*
 	 * These will probably use user-space drivers.  Uncomment them if
 	 * you need them or use the user-specified vendor/product module
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 9f5cb91..cf9a01a 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -503,6 +503,19 @@
 #define TELLDUS_VID			0x1781	/* Vendor ID */
 #define TELLDUS_TELLSTICK_PID		0x0C30	/* RF control dongle 433 MHz using FT232RL */
 
+/*
+ * IBS elektronik product ids
+ * Submitted by Thomas Schleusener
+ */
+#define FTDI_IBS_US485_PID	0xff38  /* IBS US485 (USB<-->RS422/485 interface) */
+#define FTDI_IBS_PICPRO_PID	0xff39  /* IBS PIC-Programmer */
+#define FTDI_IBS_PCMCIA_PID	0xff3a  /* IBS Card reader for PCMCIA SRAM-cards */
+#define FTDI_IBS_PK1_PID	0xff3b  /* IBS PK1 - Particel counter */
+#define FTDI_IBS_RS232MON_PID	0xff3c  /* IBS RS232 - Monitor */
+#define FTDI_IBS_APP70_PID	0xff3d  /* APP 70 (dust monitoring system) */
+#define FTDI_IBS_PEDO_PID	0xff3e  /* IBS PEDO-Modem (RF modem 868.35 MHz) */
+#define FTDI_IBS_PROD_PID	0xff3f  /* future device */
+
 /* Commands */
 #define FTDI_SIO_RESET 		0 /* Reset the port */
 #define FTDI_SIO_MODEM_CTRL 	1 /* Set the modem control register */