diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 83871725014575d391acf77f6d27bf6aadc27c53..974e0eb5e7514f2a8c8bf3598e2fd929987c06b1 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -563,6 +563,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index a577ea44dcf9dceb13d2d5644feb73015451a428..68927107cd9f8841e9a1e5329a0a8978b509dcb1 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -524,6 +524,7 @@
 #define FTDI_ELV_WS300PC_PID	0xE0F6	/* PC-Wetterstation (WS 300 PC) */
 #define FTDI_ELV_FHZ1300PC_PID	0xE0E8	/* FHZ 1300 PC */
 #define FTDI_ELV_WS500_PID	0xE0E9	/* PC-Wetterstation (WS 500) */
+#define FTDI_ELV_HS485_PID	0xE0EA	/* USB to RS-485 adapter */
 #define FTDI_ELV_EM1010PC_PID	0xE0EF	/* Engery monitor EM 1010 PC */
 
 /*