From 902b25abf38c542cf305e244322bc07edd2ce69c Mon Sep 17 00:00:00 2001 From: Til Kaiser Date: Mon, 24 Nov 2025 15:49:47 +0100 Subject: [PATCH] generic: 6.12: backport net-usb-qmi_wwan: add Quectel RG255C Backport support for the Quectel RG255C USB modem. This modem is used, among others, on the Teltonika RUT976. Signed-off-by: Til Kaiser Link: https://github.com/openwrt/openwrt/pull/20933 Signed-off-by: Hauke Mehrtens --- ...-net-usb-qmi_wwan-add-Quectel-RG255C.patch | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 target/linux/generic/backport-6.12/630-v6.13-net-usb-qmi_wwan-add-Quectel-RG255C.patch diff --git a/target/linux/generic/backport-6.12/630-v6.13-net-usb-qmi_wwan-add-Quectel-RG255C.patch b/target/linux/generic/backport-6.12/630-v6.13-net-usb-qmi_wwan-add-Quectel-RG255C.patch new file mode 100644 index 0000000000..a1eb835a55 --- /dev/null +++ b/target/linux/generic/backport-6.12/630-v6.13-net-usb-qmi_wwan-add-Quectel-RG255C.patch @@ -0,0 +1,47 @@ +From 5c964c8a97c12145104f5d2782aa1ffccf3a93dd Mon Sep 17 00:00:00 2001 +From: Martin Hou +Date: Mon, 16 Dec 2024 11:06:18 +0800 +Subject: [PATCH] net: usb: qmi_wwan: add Quectel RG255C + +Add support for Quectel RG255C which is based on Qualcomm SDX35 chip. +The composition is DM / NMEA / AT / QMI. + +T: Bus=01 Lev=01 Prnt=01 Port=04 Cnt=01 Dev#= 2 Spd=480 MxCh= 0 +D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 +P: Vendor=2c7c ProdID=0316 Rev= 5.15 +S: Manufacturer=Quectel +S: Product=RG255C-CN +S: SerialNumber=c68192c1 +C:* #Ifs= 4 Cfg#= 1 Atr=a0 MxPwr=500mA +I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option +E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms +E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms +I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option +E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms +E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms +I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option +E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms +E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms +E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms +I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan +E: Ad=86(I) Atr=03(Int.) MxPS= 8 Ivl=32ms +E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms +E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms + +Signed-off-by: Martin Hou +Link: https://patch.msgid.link/tencent_17DDD787B48E8A5AB8379ED69E23A0CD9309@qq.com +Signed-off-by: Jakub Kicinski +--- + drivers/net/usb/qmi_wwan.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/net/usb/qmi_wwan.c ++++ b/drivers/net/usb/qmi_wwan.c +@@ -1442,6 +1442,7 @@ static const struct usb_device_id produc + {QMI_QUIRK_SET_DTR(0x2c7c, 0x0195, 4)}, /* Quectel EG95 */ + {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ + {QMI_QUIRK_SET_DTR(0x2c7c, 0x030e, 4)}, /* Quectel EM05GV2 */ ++ {QMI_QUIRK_SET_DTR(0x2c7c, 0x0316, 3)}, /* Quectel RG255C */ + {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ + {QMI_QUIRK_SET_DTR(0x2cb7, 0x0112, 0)}, /* Fibocom FG132 */ + {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */ -- 2.30.2