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-polled";
  41                 poll-interval = <20>;
  42
  43                 mode {
  44                         label = "mode";
  45                         gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  46                         linux,code = <BTN_0>;
  47                 };
  48
  49                 reset {
  50                         label = "reset";
  51                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  52                         linux,code = <KEY_RESTART>;
  53                 };
  54         };
  55
  56         beeper {
  57                 compatible = "gpio-beeper";
  58                 gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
  59         };
  60
  61         gpio_export {
  62                 compatible = "gpio-export";
  63                 #size-cells = <0>;
  64
  65                 usb_power {
  66                         gpio-export,name = "usb_power";
  67                         gpio-export,output = <1>;
  68                         gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  69                 };
  70         };
  71 };
  72
  73 &spi0 {
  74         status = "okay";
  75
  76         flash@0 {
  77                 compatible = "jedec,spi-nor";
  78                 reg = <0>;
  79                 spi-max-frequency = <20000000>;
  80
  81                 partitions {
  82                         compatible = "fixed-partitions";
  83                         #address-cells = <1>;
  84                         #size-cells = <1>;
  85
  86                         partition@0 {
  87                                 label = "RouterBoot";
  88                                 reg = <0x0 0x40000>;
  89                                 read-only;
  90                                 compatible = "fixed-partitions";
  91                                 #address-cells = <1>;
  92                                 #size-cells = <1>;
  93
  94                                 partition@0 {
  95                                         label = "bootloader1";
  96                                         reg = <0x0 0xf000>;
  97                                         read-only;
  98                                 };
  99
 100                                 hard_config: partition@f000 {
 101                                         label = "hard_config";
 102                                         reg = <0xf000 0x1000>;
 103                                         read-only;
 104                                 };
 105
 106                                 partition@10000 {
 107                                         label = "bootloader2";
 108                                         reg = <0x10000 0xf000>;
 109                                         read-only;
 110                                 };
 111
 112                                 partition@20000 {
 113                                         label = "soft_config";
 114                                         reg = <0x20000 0x1000>;
 115                                 };
 116
 117                                 partition@30000 {
 118                                         label = "bios";
 119                                         reg = <0x30000 0x1000>;
 120                                         read-only;
 121                                 };
 122                         };
 123
 124                         partition@40000 {
 125                                 compatible = "mikrotik,minor";
 126                                 label = "firmware";
 127                                 reg = <0x040000 0xfc0000>;
 128                         };
 129                 };
 130         };
 131 };
 132
 133 &ethernet {
 134         mtd-mac-address = <&hard_config 0x0010>;
 135         mtd-mac-address-increment = <1>;
 136 };
 137
 138 &pinctrl {
 139         state_default: pinctrl0 {
 140                 gpio {
 141                         /* via gpio7 (uart3 group) the PoE status can be read */
 142                         ralink,group = "uart2", "uart3", "jtag", "wdt";
 143                         ralink,function = "gpio";
 144                 };
 145         };
 146 };
 147
 148 &sdhci {
 149         status = "okay";
 150 };