ramips: mt76x8: add support for Teltonika RUT241

Specification:
SoC: MediaTek MT7628AN
RAM: 128 MB EtronTech EM68C16CWQG-25IH
Flash: 16MB Winbond W25Q128 SPI
Switch: MediaTek MT7628AN, 2 ports 100 Mbps
WiFi: MediaTek MT7628AN 2.4 GHz 802.11n
Modem: MeigLink SLM750 4G, cat 4
GPIO:
 - 1 button (Reset)
 - 8 LEDs (2G, 3G, 4G, RSSI 1,2,3,4,5)
 - 2 Modem control (power button, reset)
 - 1 Digital input
 - 1 Digital output

Flashing via OEM WebUI:
1. Download the firmware image *-squashfs-factory.bin
2. Upload firmware image via OEM WebUI firmware update, do not keep settings

To revert back to OEM firmware:
https://wiki.teltonika-networks.com/view/Bootloader_menu

Signed-off-by: Simonas Tamošaitis <simsasss@gmail.com>

diff --git a/target/linux/ramips/dts/mt7628an_teltonika_rut241.dts b/target/linux/ramips/dts/mt7628an_teltonika_rut241.dts
new file mode 100644 (file)
index 0000000..2240b87
--- /dev/null
+++ b/target/linux/ramips/dts/mt7628an_teltonika_rut241.dts
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "mt7628an_teltonika_rut2xx.dtsi"
+
+/ {
+       //hardware version up to 4
+       compatible = "teltonika,rut241", "mediatek,mt7628an-soc";
+       model = "Teltonika RUT241";
+};

diff --git a/target/linux/ramips/dts/mt7628an_teltonika_rut2xx.dtsi b/target/linux/ramips/dts/mt7628an_teltonika_rut2xx.dtsi
new file mode 100644 (file)
index 0000000..8a8677e
--- /dev/null
+++ b/target/linux/ramips/dts/mt7628an_teltonika_rut2xx.dtsi
@@ -0,0 +1,202 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+#include "mt7628an.dtsi"
+
+/ {
+       chosen {
+               bootargs = "console=ttyS0,115200";
+       };
+
+       aliases {
+               led-boot = &rssi1;
+               led-failsafe = &rssi1;
+               led-upgrade = &rssi1;
+       };
+
+       gpio-export {
+               compatible = "gpio-export";
+
+               gpio_modem_reset {
+                       gpio-export,name = "modem_reset";
+                       gpio-export,output = <0>;
+                       gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
+               };
+
+               gpio_modem_power {
+                       gpio-export,name = "modem_power";
+                       gpio-export,output = <0>;
+                       gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
+               };
+
+               gpio_din {
+                       gpio-export,name = "digital_input";
+                       gpio-export,input = <0>;
+                       gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+               };
+
+               gpio_dout {
+                       gpio-export,name = "digital_output";
+                       gpio-export,output = <0>;
+                       gpios = <&gpio 4 GPIO_ACTIVE_HIGH>;
+               };
+       };
+
+       keys {
+               compatible = "gpio-keys";
+
+               reset {
+                       label = "reset";
+                       gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_RESTART>;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               lan {
+                       function = LED_FUNCTION_LAN;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
+               };
+
+               wan {
+                       function = LED_FUNCTION_WAN;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio 43 GPIO_ACTIVE_LOW>;
+               };
+
+               modem_2g {
+                       gpios = <&gpio 39 GPIO_ACTIVE_HIGH>;
+                       label = "green:modem-2g";
+               };
+
+               modem_3g {
+                       gpios = <&gpio 40 GPIO_ACTIVE_HIGH>;
+                       label = "green:modem-3g";
+               };
+
+               modem_4g {
+                       gpios = <&gpio 41 GPIO_ACTIVE_HIGH>;
+                       label = "green:modem-4g";
+               };
+
+               rssi1: rssi1 {
+                       gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
+                       label = "green:rssi-1";
+               };
+
+               rssi2 {
+                       gpios = <&gpio 44 GPIO_ACTIVE_HIGH>;
+                       label = "green:rssi-2";
+               };
+
+               rssi3 {
+                       gpios = <&gpio 36 GPIO_ACTIVE_LOW>;
+                       label = "green:rssi-3";
+               };
+
+               rssi4 {
+                       gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
+                       label = "green:rssi-4";
+               };
+
+               rssi5 {
+                       gpios = <&gpio 45 GPIO_ACTIVE_LOW>;
+                       label = "green:rssi-5";
+               };
+       };
+};
+
+&spi0 {
+       status = "okay";
+
+       flash@0 {
+               compatible = "jedec,spi-nor";
+               reg = <0>;
+               spi-max-frequency = <10000000>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition@0 {
+                               label = "u-boot";
+                               reg = <0x0 0x20000>;
+                               read-only;
+                       };
+
+                       partition@20000 {
+                               label = "config";
+                               reg = <0x020000 0x010000>;
+                               read-only;
+
+                               nvmem-layout {
+                                       compatible = "fixed-layout";
+                                       #address-cells = <1>;
+                                       #size-cells = <1>;
+
+                                       macaddr_config_0: macaddr@0 {
+                                               reg = <0x0 0x6>;
+                                               compatible = "mac-base";
+                                               #nvmem-cell-cells = <1>;
+                                       };
+                               };
+                       };
+
+                       partition@30000 {
+                               label = "factory";
+                               reg = <0x030000 0x030000>;
+                               read-only;
+
+                               nvmem-layout {
+                                       compatible = "fixed-layout";
+                                       #address-cells = <1>;
+                                       #size-cells = <1>;
+
+                                       eeprom_factory_0: eeprom@0 {
+                                               reg = <0x20000 0x400>;
+                                       };
+                               };
+                       };
+
+                       partition@60000 {
+                               compatible = "denx,uimage";
+                               label = "firmware";
+                               reg = <0x060000 0xf10000>;
+                       };
+
+                       partition@f70000 {
+                               label = "event-log";
+                               reg = <0xf70000 0x90000>;
+                               read-only;
+                       };
+               };
+       };
+};
+
+&state_default {
+       gpio {
+               groups = "i2s", "uart1", "p4led_an", "p3led_an", "p2led_an", "p1led_an", "p0led_an", "gpio", "wled_an", "perst", "spi cs1";
+               function = "gpio";
+       };
+};
+
+&wmac {
+       status = "okay";
+       nvmem-cells = <&eeprom_factory_0>, <&macaddr_config_0 2>;
+       nvmem-cell-names = "eeprom", "mac-address";
+};
+
+&ethernet {
+       nvmem-cells = <&macaddr_config_0 0>;
+       nvmem-cell-names = "mac-address";
+};
+
+&esw {
+       mediatek,portmap = <0x3e>;
+};

diff --git a/target/linux/ramips/image/mt76x8.mk b/target/linux/ramips/image/mt76x8.mk
index f442148d9ecf1063357971a4e4ffcfefd0edf50e..baf9d02576792add5337f4eb8b7083c361693495 100644 (file)
--- a/target/linux/ramips/image/mt76x8.mk
+++ b/target/linux/ramips/image/mt76x8.mk
@@ -28,6 +28,22 @@ define Build/ravpower-wd009-factory
        @mv $@.new $@
 endef
 
+define Build/append-teltonika-metadata
+  $(eval model_id=$(1))
+       echo \
+               '{ \
+                       "metadata_version": "1.1", \
+                       "compat_version": "1.0", \
+                       "version": "", \
+                       "device_code": [".*"], \
+                       "hwver": [".*"], \
+                       "batch": [".*"], \
+                       "serial": [".*"], \
+                       "supported_devices":["teltonika,$(model_id)"], \
+                       "hw_support": { }, \
+                       "hw_mods": { } \
+               }' | fwtool -I - $@
+endef
 
 define Device/7links_wlr-12xx
   IMAGE_SIZE := 7872k
@@ -1251,3 +1267,16 @@ define Device/zyxel_keenetic-extra-ii
        check-size | zyimage -d 6162 -v "ZyXEL Keenetic Extra II"
 endef
 TARGET_DEVICES += zyxel_keenetic-extra-ii
+
+define Device/teltonika_rut241
+  DEVICE_VENDOR := Teltonika
+  DEVICE_MODEL := RUT241
+  DEVICE_VARIANT := v1-v4
+  IMAGE_SIZE := 15424k
+  BLOCKSIZE := 64k
+  DEVICE_PACKAGES += uqmi kmod-mt76x2 kmod-usb2 kmod-usb-ohci kmod-usb-serial-option
+  IMAGES += factory.bin
+  IMAGE/factory.bin := append-kernel | pad-to $$$$(BLOCKSIZE) | append-rootfs | pad-rootfs | check-size | append-teltonika-metadata rut2m
+  IMAGE/sysupgrade.bin := append-kernel | pad-to $$$$(BLOCKSIZE) | append-rootfs | pad-rootfs | check-size | append-metadata
+endef
+TARGET_DEVICES += teltonika_rut241

diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds b/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
index 79f78a2a459487b67fdfe10a2830d4818e8e1c60..d1cb7598266a708eb5a0a40829d8116141d0f59a 100644 (file)
--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
@@ -77,6 +77,10 @@ tama,w06)
        ucidef_set_led_netdev "wan" "WAN" "green:wan" "eth0"
        ucidef_set_led_wlan "wlan" "WLAN" "green:wlan" "phy0tpt"
        ;;
+teltonika,rut241)
+       ucidef_set_led_switch "lan" "lan" "green:lan" "switch0" "0x02"
+       ucidef_set_led_switch "wan" "wan" "green:wan" "switch0" "0x01"
+       ;;
 tplink,archer-c20-v4|\
 tplink,archer-c20-v5|\
 tplink,tl-wr850n-v2)

diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
index 6e6e1310d3495f144f6fdae3f1a44b8a2ae1b77e..93a5bdf981807838e032df352e446b62e8266c24 100644 (file)
--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
@@ -108,7 +108,8 @@ ramips_setup_interfaces()
                        "2:lan:2" "3:lan:1" "4:wan" "6@eth0"
                ;;
        duzun,dm06|\
-       glinet,gl-mt300n-v2)
+       glinet,gl-mt300n-v2|\
+       teltonika,rut241)
                ucidef_add_switch "switch0" \
                        "1:lan" "0:wan" "6@eth0"
                ;;

diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/03_gpio_switches b/target/linux/ramips/mt76x8/base-files/etc/board.d/03_gpio_switches
new file mode 100644 (file)
index 0000000..debbe84
--- /dev/null
+++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/03_gpio_switches
@@ -0,0 +1,21 @@
+#
+# Copyright (C) 2025 OpenWrt.org
+#
+
+. /lib/functions/uci-defaults.sh
+
+board_config_update
+
+board=$(board_name)
+
+case "$board" in
+teltonika,rut241)
+       ucidef_add_gpio_switch "digital_output" "Digital output" "digital_output" "0"
+       ucidef_add_gpio_switch "modem_power" "Modem power" "modem_power" "1"
+       ucidef_add_gpio_switch "modem_reset" "Modem reset" "modem_reset" "0"
+       ;;
+esac
+
+board_config_flush
+
+exit 0