From: Beni Mahler <beni.mah...@gmx.net>

Both devices added here have a FTDI chip inside. The device from Echelon
is called 'Network Interface' it is actually a LON network gateway.

 ID 0403:8348 Future Technology Devices International, Ltd
 
https://www.eltako.com/fileadmin/downloads/de/datenblatt/Datenblatt_PL-SW-PROF.pdf

 ID 0920:7500 Network Interface
 https://www.echelon.com/products/u20-usb-network-interface

Signed-off-by: Beni Mahler <beni.mah...@gmx.net>
---
 drivers/usb/serial/ftdi_sio.c     | 3 +++
 drivers/usb/serial/ftdi_sio_ids.h | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 4b3a049561f3..e25352932ba7 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1030,6 +1030,9 @@ static const struct usb_device_id id_table_combined[] = {
        /* EZPrototypes devices */
        { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) },
        { USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) },
+       /* Sienna devices */
+       { USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) },
+       { USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) },
        { }                                     /* Terminating entry */
 };

diff --git a/drivers/usb/serial/ftdi_sio_ids.h 
b/drivers/usb/serial/ftdi_sio_ids.h
index f12d806220b4..22d66217cb41 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -39,6 +39,9 @@

 #define FTDI_LUMEL_PD12_PID    0x6002

+/* Sienna Serial Interface by Secyourit GmbH */
+#define FTDI_SIENNA_PID                0x8348
+
 /* Cyber Cortex AV by Fabulous Silicon (http://fabuloussilicon.com) */
 #define CYBER_CORTEX_AV_PID    0x8698

@@ -688,6 +691,12 @@
 #define BANDB_TTL3USB9M_PID    0xAC50
 #define BANDB_ZZ_PROG1_USB_PID 0xBA02

+/*
+ * Echelon USB Serial Interface
+ */
+#define ECHELON_VID            0x0920
+#define ECHELON_U20_PID                0x7500
+
 /*
  * Intrepid Control Systems (http://www.intrepidcs.com/) ValueCAN and NeoVI
  */
--
2.20.1

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