openwrt/target/linux/mediatek/dts/mt7629-tplink_eap225-v5.dts
Roland Reinl 44cd32d764 mediatek: Add support for TP-Link EAP225v5
Device specification:
- MT7629 with 16MB NOR flash W25Q128 and 128 MB DDR3 RAM.
- MT7761N and MT7762N wireless chips (currenlty no driver in OpenWrt available)
  - WiFi is NOT working on this device
- Dual core but second CPU doesn't seem to work (Error message during boot: "CPU1: failed to come online")

There are two similar merge requests for similar devices with the same issues:
- https://github.com/openwrt/openwrt/pull/12286
- https://github.com/openwrt/openwrt/pull/5084

UART interface is next to the reset button, pinout:
- 1: TX (the pin with the arrow marker)
- 2: RX
- 3: GND
- 4: VCC

UART settings: 115200,8n1, 3.3V

U-Boot menu can be entered by pressing Ctrl+B during startup.

Booting initramfs:
- Set your computers IP adress to 192.168.1.110
- Run a TFTP server providing the initramfs image
- Power on the AP, press Ctrl+B to get to the U-Boot menu
- Select "1. System Load Linux to SDRAM via TFTP"
- Update kernel file name, input server IP and input device IP (if they deviate from the defaults)
- After booting, create a backup of all partitions, especially for kernel and root_fs. They are required for reverting back to stock firmware
- The sysupgrade image can be flashed now

MAC adresses:
- LAN and 2.4GHz use the same MAC (the one printed on the device)
- 5GHz WiFi MAC is LAN MAC + 1

GPIOs:
- GPIO 21 is the reset pin (low active)
- GPIO 55 is for the green LED (active high)
- GPIO 56 is for the yellow/amber LED (active high)

Signed-off-by: Roland Reinl <reinlroland+github@gmail.com>
2023-11-12 17:39:52 +01:00

189 lines
3.1 KiB
Plaintext

// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/input/input.h>
#include "mt7629.dtsi"
/ {
model = "TP-Link EAP225 v5";
compatible = "tplink,eap225-v5", "mediatek,mt7629";
aliases {
led-boot = &led_status_green;
led-failsafe = &led_status_amber;
led-running = &led_status_green;
led-upgrade = &led_status_amber;
serial0 = &uart0;
};
chosen {
stdout-path = "serial0:115200n8";
bootargs-override = "console=ttyS0,115200n8";
};
keys {
compatible = "gpio-keys";
reset {
label = "reset";
gpios = <&pio 21 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESTART>;
};
};
leds {
compatible = "gpio-leds";
led_status_green: status_green {
label = "green:status";
gpios = <&pio 55 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
led_status_amber: status_amber {
label = "amber:status";
gpios = <&pio 56 GPIO_ACTIVE_HIGH>;
};
};
};
&eth {
pinctrl-names = "default";
pinctrl-0 = <&eth_pins>;
pinctrl-1 = <&ephy_leds_pins>;
status = "okay";
mac@1 {
compatible = "mediatek,eth-mac";
reg = <1>;
phy-mode = "gmii";
phy-handle = <&phy0>;
nvmem-cells = <&macaddr_factory_8>;
nvmem-cell-names = "mac-address";
};
mdio-bus {
#address-cells = <1>;
#size-cells = <0>;
phy0: ethernet-phy@0 {
reg = <0>;
};
};
};
&qspi {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&qspi_pins>;
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "Bootloader";
reg = <0x0 0x00080000>;
read-only;
};
partition@80000 {
label = "Partition";
reg = <0x00080000 0x00010000>;
read-only;
};
partition@90000 {
label = "Factory";
reg = <0x00090000 0x00010000>;
compatible = "nvmem-cells";
read-only;
macaddr_factory_8: macaddr@8 {
reg = <0x8 0x6>;
};
};
partition@A0000 {
label = "Radio";
reg = <0x000A0000 0x00010000>;
read-only;
};
partition@B0000 {
label = "Extra";
reg = <0x000B0000 0x00010000>;
read-only;
};
/* Vendor layout: kernel (0x000C0000 0x001A0000) - rootfs (0x00260000 0x00BE0000) */
/* OpenWrt flash layout: combine kernel and rootfs from OEM layout */
partition@C0000 {
label = "firmware";
reg = <0x000C0000 0x00D80000>;
};
partition@E40000 {
label = "Config";
reg = <0x00E40000 0x0001B0000>;
read-only;
};
};
};
};
&pio {
eth_pins: eth-pins {
mux {
function = "eth";
groups = "mdc_mdio";
};
};
ephy_leds_pins: ephy-leds-pins {
mux {
function = "led";
groups = "ephy_leds";
};
};
qspi_pins: qspi-pins {
mux {
function = "flash";
groups = "spi_nor";
};
};
uart0_pins: uart0-pins {
mux {
function = "uart";
groups = "uart0_txd_rxd" ;
};
};
watchdog_pins: watchdog-pins {
mux {
function = "watchdog";
groups = "watchdog";
};
};
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins>;
status = "okay";
};
&watchdog {
pinctrl-names = "default";
pinctrl-0 = <&watchdog_pins>;
status = "okay";
};