ALFA Network Tube-E4G is an outdoor, dual-SIM LTE Cat. 4 CPE, based on MediaTek MT7620A, equipped with Quectel EC25 miniPCIe modem. Specification: - MT7620A (580 MHz) - 64/128/256 MB of RAM (DDR2) - 16/32 MB of flash (SPI NOR) - 1x 10/100 Mbps Ethernet, with passive PoE support (24 V) - 1x miniPCIe slot (with PCIe and USB 2.0 buses) - 2x SIM slot (mini, micro) with detect and switch driven by GPIO - 1x detachable antenna (modem main) - 1x internal antenna (modem div) - 1x GPS passive antenna (optional) - 5x LED (all driven by GPIO) - 1x button (reset) - UART (4-pin, 2.54 mm pitch) header on PCB Other: Default SIM slot is selected at an early stage by U-Boot, based on 'default_sim' environment value: 1 or unset = SIM1 (mini), 2 = SIM2 (micro). U-Boot also resets the modem, using #PERST signal, before starting kernel. Flash instruction: You can use the 'sysupgrade' image directly in vendor firmware which is based on OpenWrt (make sure to not preserve settings - use 'sysupgrade -n -F ...' command). Alternatively, use web recovery mode in U-Boot: 1. Power the device with reset button pressed, the LAN LED will start blinking slowly and after ~3 seconds, when it starts blinking faster, you can release the button. 2. Setup static IP 192.168.1.2/24 on your PC. 3. Go to 192.168.1.1 in browser and upload 'sysupgrade' image. Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>master
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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT |
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/dts-v1/; |
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#include "mt7620a.dtsi" |
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#include <dt-bindings/gpio/gpio.h> |
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#include <dt-bindings/input/input.h> |
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/ { |
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compatible = "alfa-network,tube-e4g", "ralink,mt7620a-soc"; |
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model = "ALFA Network Tube-E4G"; |
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aliases { |
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led-boot = &power; |
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led-failsafe = &power; |
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led-running = &power; |
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led-upgrade = &power; |
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}; |
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chosen { |
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bootargs = "console=ttyS0,115200"; |
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}; |
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gpio-export { |
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compatible = "gpio-export"; |
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#size-cells = <0>; |
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modem-enable { |
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gpio-export,name = "modem-enable"; |
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gpio-export,output = <1>; |
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gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>; |
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}; |
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modem-rf-enable { |
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gpio-export,name = "modem-rf-enable"; |
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gpio-export,output = <1>; |
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gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>; |
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}; |
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sim-select { |
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gpio-export,name = "sim-select"; |
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gpio-export,output = <0>; |
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gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>; |
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}; |
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sim1-detect { |
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gpio-export,name = "sim1-detect"; |
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gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>; |
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}; |
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sim2-detect { |
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gpio-export,name = "sim2-detect"; |
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gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; |
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}; |
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}; |
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keys { |
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compatible = "gpio-keys"; |
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reset { |
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label = "reset"; |
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linux,code = <KEY_RESTART>; |
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gpios = <&gpio2 15 GPIO_ACTIVE_LOW>; |
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debounce-interval = <60>; |
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}; |
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}; |
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leds { |
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compatible = "gpio-leds"; |
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4g { |
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label = "tube-e4g:green:4g"; |
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gpios = <&gpio0 7 GPIO_ACTIVE_LOW>; |
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}; |
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lan { |
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label = "tube-e4g:blue:lan"; |
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gpios = <&gpio2 4 GPIO_ACTIVE_LOW>; |
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}; |
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power: power { |
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label = "tube-e4g:green:power"; |
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gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; |
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default-state = "keep"; |
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}; |
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sim1 { |
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label = "tube-e4g:green:sim1"; |
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gpios = <&gpio2 3 GPIO_ACTIVE_LOW>; |
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default-state = "keep"; |
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}; |
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sim2 { |
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label = "tube-e4g:green:sim2"; |
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gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; |
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default-state = "keep"; |
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}; |
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}; |
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}; |
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&ehci { |
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status = "okay"; |
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}; |
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ðernet { |
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mtd-mac-address = <&factory 0x28>; |
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}; |
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&gpio0 { |
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status = "okay"; |
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}; |
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&gpio1 { |
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status = "okay"; |
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}; |
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&gpio2 { |
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status = "okay"; |
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}; |
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&gsw { |
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mediatek,port4 = "ephy"; |
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}; |
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&ohci { |
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status = "okay"; |
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}; |
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&pcie { |
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status = "disabled"; |
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}; |
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&pinctrl { |
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state_default: pinctrl0 { |
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gpio { |
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ralink,group = "ephy", "nd_sd", "pcie", "uartf"; |
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ralink,function = "gpio"; |
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}; |
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}; |
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}; |
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&spi0 { |
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status = "okay"; |
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flash@0 { |
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compatible = "jedec,spi-nor"; |
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reg = <0>; |
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spi-max-frequency = <50000000>; |
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m25p,fast-read; |
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partitions { |
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compatible = "fixed-partitions"; |
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#address-cells = <1>; |
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#size-cells = <1>; |
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partition@0 { |
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label = "u-boot"; |
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reg = <0x0 0x30000>; |
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read-only; |
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}; |
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partition@30000 { |
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label = "u-boot-env"; |
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reg = <0x30000 0x1000>; |
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}; |
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partition@31000 { |
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label = "config"; |
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reg = <0x31000 0xf000>; |
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read-only; |
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}; |
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factory: partition@40000 { |
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label = "factory"; |
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reg = <0x40000 0x10000>; |
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read-only; |
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}; |
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partition@50000 { |
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compatible = "denx,uimage"; |
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label = "firmware"; |
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reg = <0x50000 0xfb0000>; |
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}; |
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}; |
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}; |
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}; |
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&wmac { |
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status = "disabled"; |
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}; |
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Reference in new issue