+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/dts-v1/;
#include "mt7621.dtsi"
/ {
compatible = "mikrotik,rb750gr3", "mediatek,mt7621-soc";
- model = "MikroTik RB750Gr3";
+ model = "MikroTik RouterBOARD 750Gr3";
aliases {
- led-boot = &led_pwr;
- led-failsafe = &led_pwr;
- led-running = &led_pwr;
- led-upgrade = &led_pwr;
+ led-boot = &led_usr;
+ led-failsafe = &led_usr;
+ led-running = &led_usr;
+ led-upgrade = &led_usr;
};
memory@0 {
};
chosen {
- bootargs = "console=ttyS0,57600";
+ bootargs = "console=ttyS0,115200";
};
- gpio-leds {
+ leds {
compatible = "gpio-leds";
- led_pwr: pwr {
+ pwr {
label = "rb750gr3:blue:pwr";
gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
};
- usr {
+ led_usr: usr {
label = "rb750gr3:green:usr";
gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
};
};
- gpio-keys-polled {
+ keys {
compatible = "gpio-keys-polled";
poll-interval = <20>;
mode {
label = "mode";
gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
- linux,code = <KEY_RFKILL>;
+ linux,code = <BTN_0>;
};
- res {
- label = "res";
+ reset {
+ label = "reset";
gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESTART>;
};
};
+ beeper {
+ compatible = "gpio-beeper";
+ gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
+ };
+
gpio_export {
compatible = "gpio-export";
#size-cells = <0>;
- buzzer {
- gpio-export,name = "buzzer";
- gpio-export,output = <0>;
- gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
- };
-
- usb {
- gpio-export,name = "usb";
+ usb_power {
+ gpio-export,name = "usb_power";
gpio-export,output = <1>;
gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
};
&spi0 {
status = "okay";
- m25p80@0 {
+ flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
- spi-max-frequency = <10000000>;
- m25p,chunked-io = <32>;
+ spi-max-frequency = <20000000>;
partitions {
compatible = "fixed-partitions";
#size-cells = <1>;
partition@0 {
- label = "u-boot";
- reg = <0x0 0x30000>;
- read-only;
- };
-
- partition@30000 {
- label = "u-boot-env";
- reg = <0x30000 0x10000>;
- read-only;
- };
-
- factory: partition@40000 {
- label = "factory";
- reg = <0x40000 0x10000>;
+ label = "RouterBoot";
+ reg = <0x0 0x40000>;
read-only;
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "bootloader1";
+ reg = <0x0 0xf000>;
+ read-only;
+ };
+
+ hard_config: partition@f000 {
+ label = "hard_config";
+ reg = <0xf000 0x1000>;
+ read-only;
+ };
+
+ partition@10000 {
+ label = "bootloader2";
+ reg = <0x10000 0xf000>;
+ read-only;
+ };
+
+ partition@20000 {
+ label = "soft_config";
+ reg = <0x20000 0x1000>;
+ };
+
+ partition@30000 {
+ label = "bios";
+ reg = <0x30000 0x1000>;
+ read-only;
+ };
};
- partition@50000 {
+ partition@40000 {
+ compatible = "mikrotik,minor";
label = "firmware";
- reg = <0x50000 0xfb0000>;
+ reg = <0x040000 0xfc0000>;
};
};
};
};
ðernet {
- mtd-mac-address = <&factory 0xe000>;
+ mtd-mac-address = <&hard_config 0x0010>;
mtd-mac-address-increment = <1>;
};
&pinctrl {
state_default: pinctrl0 {
gpio {
- ralink,group = "i2c", "uart2", "uart3", "pcie", "rgmii2", "jtag";
+ /* via gpio7 (uart3 group) the PoE status can be read */
+ ralink,group = "uart2", "uart3", "jtag", "wdt";
ralink,function = "gpio";
};
};