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Mikrotik LtAP-2HnD is a outdoor/automotive WLAN 4 router with integrated GPS
receiver and two mPCIe slots.
Specifications:
* SoC: MT7621A
* RAM: 128 MiB Nanya NT5CC64M16GP-DI
* Flash: 16 MiB winbond W25Q128JV
* WLAN:
* Atheros AR9382 with power amplifier SKY 85330 (2x2 internal antennas,
with RF switches for external connectors)
* Ethernet: 1 Gbps, single port
* USB Host: USB 2.0 Speeds
* Serial: 115200 baud
* LEDs: Power, System, GPS, 5* RSSI
* mPCIe:
* miniPCIe slot 1: PCIe and USB 2.0 Host (via switch shared with USB Host)
* miniPCIe slot 2: USB 2.0 and 3.0
* SIM Cards:
* Slot 1 Connected to mPCIe slot 1
* Slot 2 and 3 connected to mPCIe slot 2 via switch
* GPS: MTK 3333 on serial port 2 (/dev/ttyS1), 115200 baud and PPS on gpio 14
gpios are exposed to /sys/class/gpio:
* usb-select: swithes USB 2.0 interface between external port and internal
mPCIe slot 1 default is the external USB interface
* gps-reset: resets the GPS interface chip
* sim-select: switches between sim slot 2 and 3 connected to mPCIe slot 2
* gps-ant-select: switches GPS antenna between internal antenna and SMA
connected antenna
* lte-reset: resets mPCIe slot 2
Flashing:
TFTP boot initramfs image and then perform sysupgrade. Follow common
MikroTik procedure as in https://openwrt.org/toh/mikrotik/common.
Signed-off-by: Arne Zachlod <arne@nerdkeller.org>
172 lines
3.0 KiB
Plaintext
172 lines
3.0 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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#include "mt7621_mikrotik.dtsi"
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/ {
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compatible = "mikrotik,ltap-2hnd", "mediatek,mt7621-soc";
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model = "MikroTik RouterBOARD LtAP-2HnD";
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aliases {
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led-boot = &led_usr;
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led-failsafe = &led_usr;
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led-running = &led_usr;
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led-upgrade = &led_usr;
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};
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ath9k-leds {
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compatible = "gpio-leds";
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rssi0 {
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label = "green:rssi0";
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gpios = <&ath9k 0 GPIO_ACTIVE_LOW>;
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};
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rssi1 {
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label = "green:rssi1";
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gpios = <&ath9k 1 GPIO_ACTIVE_LOW>;
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};
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rssi2 {
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label = "green:rssi2";
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gpios = <&ath9k 2 GPIO_ACTIVE_LOW>;
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};
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rssi3 {
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label = "green:rssi3";
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gpios = <&ath9k 3 GPIO_ACTIVE_LOW>;
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};
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rssi4 {
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label = "green:rssi4";
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gpios = <&ath9k 4 GPIO_ACTIVE_LOW>;
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};
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};
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leds {
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compatible = "gpio-leds";
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pwr {
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label = "blue:pwr";
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gpios = <&gpio 23 GPIO_ACTIVE_HIGH>;
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default-state = "on";
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};
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led_usr: usr {
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label = "green:usr";
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gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
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};
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gps {
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label = "green:gps";
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gpios = <&gpio 28 GPIO_ACTIVE_LOW>;
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};
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};
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/* TODO: find GPIOs for the WLAN antenna switches */
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gpio-export {
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compatible = "gpio-export";
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usb-select {
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gpio-export,name = "usb-select";
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gpio-export,output = <1>;
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gpios = <&gpio 12 GPIO_ACTIVE_HIGH>;
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};
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gps-reset {
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gpio-export,name = "gps-reset";
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gpio-export,output = <1>;
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gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
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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 = <1>;
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gpios = <&gpio 25 GPIO_ACTIVE_HIGH>;
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};
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gps-ant-select {
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/* internal antenna = 0 */
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gpio-export,name = "gps-ant-select";
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gpio-export,output = <0>;
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gpios = <&gpio 27 GPIO_ACTIVE_HIGH>;
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};
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lte-reset {
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gpio-export,name = "lte-reset";
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gpio-export,output = <1>;
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gpios = <&gpio 29 GPIO_ACTIVE_HIGH>;
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};
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};
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pps {
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compatible = "pps-gpio";
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gpios = <&gpio 14 GPIO_ACTIVE_HIGH>;
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};
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pcie1_vcc_reg {
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compatible = "regulator-fixed";
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regulator-name = "pcie1_vcc";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio 10 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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regulator-boot-on;
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};
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pcie2_vcc_reg {
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compatible = "regulator-fixed";
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regulator-name = "pcie2_vcc";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio 11 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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regulator-boot-on;
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};
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};
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&partitions {
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partition@40000 {
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compatible = "mikrotik,minor";
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label = "firmware";
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reg = <0x040000 0xfc0000>;
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};
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};
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ðernet {
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pinctrl-0 = <&mdio_pins>, <&rgmii1_pins>;
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};
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&switch0 {
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ports {
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port@0 {
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status = "okay";
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label = "lan";
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};
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};
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};
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&pcie0 {
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status = "okay";
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ath9k: wifi@0,0 {
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compatible = "pci168c,0030";
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reg = <0x0000 0 0 0 0>;
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qca,no-eeprom;
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gpio-controller;
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#gpio-cells = <2>;
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};
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};
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&state_default {
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gpio {
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groups = "uart2", "wdt", "rgmii2";
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function = "gpio";
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};
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};
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&i2c {
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status = "okay";
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};
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&pcie {
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status = "okay";
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};
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&uartlite3 {
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status = "okay";
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};
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