target/linux/ramips/dts/mt7621_mikrotik_routerboard-750gr3.dts

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2 /dts-v1/;
   3
   4 #include "mt7621.dtsi"
   5
   6 #include <dt-bindings/input/input.h>
   7 #include <dt-bindings/gpio/gpio.h>
   8
   9 / {
  10         compatible = "mikrotik,routerboard-750gr3", "mediatek,mt7621-soc";
  11         model = "MikroTik RouterBOARD 750Gr3";
  12
  13         aliases {
  14                 led-boot = &led_usr;
  15                 led-failsafe = &led_usr;
  16                 led-running = &led_usr;
  17                 led-upgrade = &led_usr;
  18         };
  19
  20         chosen {
  21                 bootargs = "console=ttyS0,115200";
  22         };
  23
  24         leds {
  25                 compatible = "gpio-leds";
  26
  27                 pwr {
  28                         label = "routerboard-750gr3:blue:pwr";
  29                         gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
  30                         default-state = "on";
  31                 };
  32
  33                 led_usr: usr {
  34                         label = "routerboard-750gr3:green:usr";
  35                         gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
  36                 };
  37         };
  38
  39         keys {
  40                 compatible = "gpio-keys";
  41
  42                 mode {
  43                         label = "mode";
  44                         gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
  45                         linux,code = <BTN_0>;
  46                 };
  47
  48                 reset {
  49                         label = "reset";
  50                         gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
  51                         linux,code = <KEY_RESTART>;
  52                 };
  53         };
  54
  55         gpio_export {
  56                 compatible = "gpio-export";
  57                 #size-cells = <0>;
  58
  59                 buzzer {
  60                         /* Beeper requires PWM for frequency selection */
  61                         gpio-export,name = "buzzer";
  62                         gpio-export,output = <0>;
  63                         gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
  64                 };
  65
  66                 usb_power {
  67                         gpio-export,name = "usb_power";
  68                         gpio-export,output = <1>;
  69                         gpios = <&gpio 12 GPIO_ACTIVE_HIGH>;
  70                 };
  71         };
  72 };
  73
  74 &spi0 {
  75         status = "okay";
  76
  77         flash@0 {
  78                 compatible = "jedec,spi-nor";
  79                 reg = <0>;
  80                 spi-max-frequency = <20000000>;
  81
  82                 partitions {
  83                         compatible = "fixed-partitions";
  84                         #address-cells = <1>;
  85                         #size-cells = <1>;
  86
  87                         partition@0 {
  88                                 label = "RouterBoot";
  89                                 reg = <0x0 0x40000>;
  90                                 read-only;
  91                                 compatible = "mikrotik,routerboot-partitions";
  92                                 #address-cells = <1>;
  93                                 #size-cells = <1>;
  94
  95                                 partition@0 {
  96                                         label = "bootloader1";
  97                                         reg = <0x0 0x0>;
  98                                         read-only;
  99                                 };
 100
 101                                 hard_config: hard_config {
 102                                         read-only;
 103                                 };
 104
 105                                 partition@10000 {
 106                                         label = "bootloader2";
 107                                         reg = <0x10000 0xf000>;
 108                                         read-only;
 109                                 };
 110
 111                                 soft_config {
 112                                 };
 113
 114                                 partition@30000 {
 115                                         label = "bios";
 116                                         reg = <0x30000 0x1000>;
 117                                         read-only;
 118                                 };
 119                         };
 120
 121                         partition@40000 {
 122                                 compatible = "mikrotik,minor";
 123                                 label = "firmware";
 124                                 reg = <0x040000 0xfc0000>;
 125                         };
 126                 };
 127         };
 128 };
 129
 130 &switch0 {
 131         ports {
 132                 port@0 {
 133                         status = "okay";
 134                         label = "wan";
 135                 };
 136
 137                 port@1 {
 138                         status = "okay";
 139                         label = "lan2";
 140                 };
 141
 142                 port@2 {
 143                         status = "okay";
 144                         label = "lan3";
 145                 };
 146
 147                 port@3 {
 148                         status = "okay";
 149                         label = "lan4";
 150                 };
 151
 152                 port@4 {
 153                         status = "okay";
 154                         label = "lan5";
 155                 };
 156         };
 157 };
 158
 159 &state_default {
 160         gpio {
 161                 /* via gpio7 (uart3 group) the PoE status can be read */
 162                 groups = "uart2", "uart3", "jtag", "wdt";
 163                 function = "gpio";
 164         };
 165 };
 166
 167 &sdhci {
 168         status = "okay";
 169 };