target/linux/ramips/dts/mt7621_mikrotik_rb750gr3.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,rb750gr3", "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 = "rb750gr3:blue:pwr";
  29                         gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
  30                         default-state = "on";
  31                 };
  32
  33                 led_usr: usr {
  34                         label = "rb750gr3:green:usr";
  35                         gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
  36                 };
  37         };
  38
  39         keys {
  40                 compatible = "gpio-keys";
  41
  42                 mode {
  43                         label = "mode";
  44                         gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  45                         linux,code = <BTN_0>;
  46                 };
  47
  48                 reset {
  49                         label = "reset";
  50                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  51                         linux,code = <KEY_RESTART>;
  52                 };
  53         };
  54
  55         beeper {
  56                 compatible = "gpio-beeper";
  57                 gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
  58         };
  59
  60         gpio_export {
  61                 compatible = "gpio-export";
  62                 #size-cells = <0>;
  63
  64                 usb_power {
  65                         gpio-export,name = "usb_power";
  66                         gpio-export,output = <1>;
  67                         gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  68                 };
  69         };
  70 };
  71
  72 &spi0 {
  73         status = "okay";
  74
  75         flash@0 {
  76                 compatible = "jedec,spi-nor";
  77                 reg = <0>;
  78                 spi-max-frequency = <20000000>;
  79
  80                 partitions {
  81                         compatible = "fixed-partitions";
  82                         #address-cells = <1>;
  83                         #size-cells = <1>;
  84
  85                         partition@0 {
  86                                 label = "RouterBoot";
  87                                 reg = <0x0 0x40000>;
  88                                 read-only;
  89                                 compatible = "fixed-partitions";
  90                                 #address-cells = <1>;
  91                                 #size-cells = <1>;
  92
  93                                 partition@0 {
  94                                         label = "bootloader1";
  95                                         reg = <0x0 0xf000>;
  96                                         read-only;
  97                                 };
  98
  99                                 hard_config: partition@f000 {
 100                                         label = "hard_config";
 101                                         reg = <0xf000 0x1000>;
 102                                         read-only;
 103                                 };
 104
 105                                 partition@10000 {
 106                                         label = "bootloader2";
 107                                         reg = <0x10000 0xf000>;
 108                                         read-only;
 109                                 };
 110
 111                                 partition@20000 {
 112                                         label = "soft_config";
 113                                         reg = <0x20000 0x1000>;
 114                                 };
 115
 116                                 partition@30000 {
 117                                         label = "bios";
 118                                         reg = <0x30000 0x1000>;
 119                                         read-only;
 120                                 };
 121                         };
 122
 123                         partition@40000 {
 124                                 compatible = "mikrotik,minor";
 125                                 label = "firmware";
 126                                 reg = <0x040000 0xfc0000>;
 127                         };
 128                 };
 129         };
 130 };
 131
 132 &ethernet {
 133         mtd-mac-address = <&hard_config 0x0010>;
 134         mtd-mac-address-increment = <1>;
 135 };
 136
 137 &pinctrl {
 138         state_default: pinctrl0 {
 139                 gpio {
 140                         /* via gpio7 (uart3 group) the PoE status can be read */
 141                         ralink,group = "uart2", "uart3", "jtag", "wdt";
 142                         ralink,function = "gpio";
 143                 };
 144         };
 145 };
 146
 147 &sdhci {
 148         status = "okay";
 149 };