TP-Link Archer C20 v4 is a router with 5-port FE switch and non-detachable antennas. It's based on MediaTek MT7628N+MT7610EN. Specification: - MediaTek MT7628N/N (580 Mhz) - 64 MB of RAM - 8 MB of FLASH - 2T2R 2.4 GHz and 1T1R 5 GHz - 5x 10/100 Mbps Ethernet - 3x external, non-detachable antennas - UART (J1) header on PCB (115200 8n1) - 7x LED (GPIO-controlled*), 2x button, power input switch * WAN LED in this devices is a dual-color, dual-leads type which isn't (fully) supported by gpio-leds driver. This type of LED requires both GPIOs state change at the same time to select color or turn it off. For now, we support/use only the green part of the LED. * MT7610EN ac chip isn't not supported by LEDE. Therefore 5Ghz won't work. Flash instruction: The only way to flash LEDE image in ArcherC20v4 is to use tftp recovery mode in U-Boot: 1. Configure PC with static IP 192.168.0.66/24 and tftp server. 2. Rename "openwrt-ramips-mt7628-ArcherC20v4-squashfs-tftp-recovery.bin" to "tp_recovery.bin" and place it in tftp server directory. 3. Connect PC with one of LAN ports, press the reset button, power up the router and keep button pressed for around 6-7 seconds, until device starts downloading the file. 4. Router will download file from server, write it to flash and reboot. Signed-off-by: Maxim Anisimov <maxim.anisimov.ua@gmail.com>master
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/dts-v1/; |
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#include "mt7628an.dtsi" |
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#include <dt-bindings/input/input.h> |
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#include <dt-bindings/gpio/gpio.h> |
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/ { |
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compatible = "tplink,c20-v4", "mediatek,mt7628an-soc"; |
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model = "TP-Link Archer C20 v4"; |
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chosen { |
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bootargs = "console=ttyS0,115200"; |
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}; |
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gpio-leds { |
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compatible = "gpio-leds"; |
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lan { |
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label = "c20-v4:green:lan"; |
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gpios = <&gpio1 10 GPIO_ACTIVE_LOW>; |
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}; |
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power { |
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label = "c20-v4:green:power"; |
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gpios = <&gpio0 2 GPIO_ACTIVE_LOW>; |
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}; |
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wan { |
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label = "c20-v4:green:wan"; |
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gpios = <&gpio1 11 GPIO_ACTIVE_LOW>; |
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}; |
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wan_orange { |
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label = "c20-v4:orange:wan"; |
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gpios = <&gpio0 11 GPIO_ACTIVE_LOW>; |
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}; |
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wlan5g { |
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label = "c20-v4:green:wlan5g"; |
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gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; |
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}; |
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wlan2g { |
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label = "c20-v4:green:wlan2g"; |
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gpios = <&gpio1 7 GPIO_ACTIVE_LOW>; |
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}; |
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wps { |
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label = "c20-v4:green:wps"; |
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gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; |
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}; |
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}; |
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gpio-keys-polled { |
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compatible = "gpio-keys-polled"; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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poll-interval = <20>; |
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reset { |
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label = "reset"; |
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gpios = <&gpio1 6 GPIO_ACTIVE_LOW>; |
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linux,code = <KEY_RESTART>; |
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}; |
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rfkill { |
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label = "rfkill"; |
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gpios = <&gpio1 5 GPIO_ACTIVE_LOW>; |
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linux,code = <KEY_RFKILL>; |
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}; |
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}; |
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memory@0 { |
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device_type = "memory"; |
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reg = <0x0 0x4000000>; |
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}; |
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}; |
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&spi0 { |
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status = "okay"; |
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m25p80@0 { |
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#address-cells = <1>; |
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#size-cells = <1>; |
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compatible = "jedec,spi-nor"; |
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reg = <0>; |
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spi-max-frequency = <10000000>; |
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m25p,chunked-io = <32>; |
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partition@0 { |
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label = "u-boot"; |
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reg = <0x0 0x20000>; |
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read-only; |
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}; |
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partition@20000 { |
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label = "firmware"; |
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reg = <0x20000 0x7a0000>; |
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}; |
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partition@7c0000 { |
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label = "config"; |
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reg = <0x7c0000 0x10000>; |
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read-only; |
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}; |
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rom: partition@7d0000 { |
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label = "rom"; |
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reg = <0x7d0000 0x10000>; |
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read-only; |
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}; |
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partition@7e0000 { |
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label = "romfile"; |
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reg = <0x7e0000 0x10000>; |
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read-only; |
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}; |
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radio: partition@7f0000 { |
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label = "radio"; |
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reg = <0x7f0000 0x10000>; |
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read-only; |
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}; |
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}; |
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}; |
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&ehci { |
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status = "disabled"; |
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}; |
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&ohci { |
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status = "disabled"; |
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}; |
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&wmac { |
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status = "okay"; |
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mediatek,mtd-eeprom = <&radio 0x0>; |
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mtd-mac-address = <&rom 0xf100>; |
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mtd-mac-address-increment = <(-2)>; |
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}; |
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ðernet { |
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mtd-mac-address = <&rom 0xf100>; |
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mediatek,portmap = "wllll"; |
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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 = "i2s", "refclk", "p0led_an", "p1led_an", "p2led_an", "p3led_an", "p4led_an", "wdt"; |
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ralink,function = "gpio"; |
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}; |
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}; |
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}; |
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&pcie { |
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status = "okay"; |
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pcie-bridge { |
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mt76@0,0 { |
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reg = <0x0000 0 0 0 0>; |
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device_type = "pci"; |
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mediatek,mtd-eeprom = <&radio 0x8000>; |
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ieee80211-freq-limit = <5000000 6000000>; |
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mtd-mac-address = <&rom 0xf100>; |
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mtd-mac-address-increment = <(-1)>; |
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}; |
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}; |
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}; |
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Reference in new issue