ramips: add support for TP-Link TL-MR3020 v3
TP-Link TL-MR3020 v3 is a pocket-size router based on MediaTek MT7628N. This PR is based on the work of @meyergru[1], with his permission. Specification: - MediaTek MT7628N/N (575 Mhz) - 64 MB of RAM - 8 MB of FLASH - 2T2R 2.4 GHz - 1x 10/100 Mbps Ethernet Flash instruction: The only way to flash the image in TL-MR3020 v3 is to use tftp recovery mode in U-Boot: 1. Configure PC with static IP 192.168.0.225/24 and tftp server. 2. Rename "openwrt-ramips-mt76x8-tplink_tl-mr3020-v3-squashfs-tftp-recovery.bin" to "tp_recovery.bin" and place it in tftp server directory. 3. Connect PC with the LAN port, 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. [1] https://github.com/meyergru/lede-source/commits/TL-MR3020-V3 Signed-off-by: Carlo Nel <carlojnel@gmail.com>v19.07.3_mercusys_ac12_duma
Carlo Nel
6 years ago
committed by
Mathias Kresin
parent
9c26def64a
commit
6bbb220255
@ -0,0 +1,144 @@
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/dts-v1/;
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#include "mt7628an.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 = "tplink,tl-mr3020-v3", "mediatek,mt7628an-soc";
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model = "TP-Link TL-MR3020 v3";
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aliases {
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led-status = &led_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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memory@0 {
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device_type = "memory";
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reg = <0x0 0x4000000>;
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};
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gpio-keys-polled {
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compatible = "gpio-keys-polled";
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poll-interval = <20>;
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wps {
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label = "wps";
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gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_WPS_BUTTON>;
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};
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modec1 {
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label = "sw1";
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gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
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linux,code = <BTN_0>;
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};
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modec2 {
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label = "sw2";
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gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
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linux,code = <BTN_1>;
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};
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};
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gpio-leds {
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compatible = "gpio-leds";
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led_power: power {
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label = "tl-mr3020-v3:green:power";
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gpios = <&gpio1 5 GPIO_ACTIVE_LOW>;
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default-state = "on";
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};
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wan {
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label = "tl-mr3020-v3:green:3g";
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gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
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};
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wlan {
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label = "tl-mr3020-v3:green:wlan";
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gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
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};
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wps {
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label = "tl-mr3020-v3:green:wps";
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gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
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};
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lan {
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label = "tl-mr3020-v3:green:lan";
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gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
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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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m25p80@0 {
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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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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 = "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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factory: partition@7d0000 {
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label = "factory";
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reg = <0x7d0000 0x30000>;
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read-only;
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};
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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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&ohci {
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status = "okay";
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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", "wdt", "p2led_an", "p1led_an", "p0led_an", "wled_an";
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ralink,function = "gpio";
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};
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};
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};
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&wmac {
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status = "okay";
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mtd-mac-address = <&factory 0xf100>;
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mediatek,mtd-eeprom = <&factory 0x20000>;
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};
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ðernet {
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mtd-mac-address = <&factory 0xf100>;
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};
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