* [PATCH v2] USB: serial: option: add Telit LE910 MBIM composition
@ 2025-12-09 20:08 Ulrich Mohr
2026-01-13 10:59 ` Johan Hovold
0 siblings, 1 reply; 2+ messages in thread
From: Ulrich Mohr @ 2025-12-09 20:08 UTC (permalink / raw)
To: linux-usb; +Cc: Johan Hovold, Greg Kroah-Hartman, linux-kernel, Ulrich Mohr
Add support for Telit LE910 module when operating in MBIM composition
with additional ttys. This usb product ID is used by the module
when AT#USBCFG is set to 7.
0x1252: MBIM + tty(NMEA) + tty(MODM) + tty(MODEM) +SAP
T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=1bc7 ProdID=1252 Rev=03.18
S: Manufacturer=Android
S: Product=LE910C1-EU
S: SerialNumber=0123456789ABCDEF
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=88(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=8a(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
Signed-off-by: Ulrich Mohr <u.mohr@semex-engcon.com>
---
Changes in v2: Omit define for PID, use PID (0x1252) directly
---
drivers/usb/serial/option.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 5de856f65f0d..e57aee524858 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1489,10 +1489,11 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1230, 0xff), /* Telit LE910Cx (rmnet) */
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1231, 0xff), /* Telit LE910Cx (RNDIS) */
.driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x1250, 0xff, 0x00, 0x00) }, /* Telit LE910Cx (rmnet) */
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1252, 0xff) }, /* Telit LE910Cx (MBIM) */
{ USB_DEVICE(TELIT_VENDOR_ID, 0x1260),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
{ USB_DEVICE(TELIT_VENDOR_ID, 0x1261),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
{ USB_DEVICE(TELIT_VENDOR_ID, 0x1900), /* Telit LN940 (QMI) */
--
2.39.5
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH v2] USB: serial: option: add Telit LE910 MBIM composition
2025-12-09 20:08 [PATCH v2] USB: serial: option: add Telit LE910 MBIM composition Ulrich Mohr
@ 2026-01-13 10:59 ` Johan Hovold
0 siblings, 0 replies; 2+ messages in thread
From: Johan Hovold @ 2026-01-13 10:59 UTC (permalink / raw)
To: Ulrich Mohr; +Cc: linux-usb, Greg Kroah-Hartman, linux-kernel
On Tue, Dec 09, 2025 at 09:08:41PM +0100, Ulrich Mohr wrote:
> Add support for Telit LE910 module when operating in MBIM composition
> with additional ttys. This usb product ID is used by the module
> when AT#USBCFG is set to 7.
>
> 0x1252: MBIM + tty(NMEA) + tty(MODM) + tty(MODEM) +SAP
> T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
> D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
> P: Vendor=1bc7 ProdID=1252 Rev=03.18
> S: Manufacturer=Android
> S: Product=LE910C1-EU
> S: SerialNumber=0123456789ABCDEF
> C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
> I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
> E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
> I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
> E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
With this patch the driver would bind to this port as well so I edited
the usb-devices output here to match as I assume that is the intention.
> E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=86(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=88(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> I: If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=8a(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
>
> Signed-off-by: Ulrich Mohr <u.mohr@semex-engcon.com>
> ---
> Changes in v2: Omit define for PID, use PID (0x1252) directly
> + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1252, 0xff) }, /* Telit LE910Cx (MBIM) */
Now applied, thanks.
Johan
^ permalink raw reply [flat|nested] 2+ messages in thread
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2026-01-13 10:59 ` Johan Hovold
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