ramips: add support for TP-Link Archer C20 v4
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>v19.07.3_mercusys_ac12_duma
Maxim Anisimov
6 years ago
committed by
Mathias Kresin
parent
ff1e895530
commit
5bdd238b63
@ -0,0 +1,170 @@
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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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