target/linux/ramips/dts/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         memory@0 {
  21                 device_type = "memory";
  22                 reg = <0x0 0x10000000>;
  23         };
  24
  25         chosen {
  26                 bootargs = "console=ttyS0,115200";
  27         };
  28
  29         leds {
  30                 compatible = "gpio-leds";
  31
  32                 pwr {
  33                         label = "rb750gr3:blue:pwr";
  34                         gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
  35                         default-state = "on";
  36                 };
  37
  38                 led_usr: usr {
  39                         label = "rb750gr3:green:usr";
  40                         gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
  41                 };
  42         };
  43
  44         keys {
  45                 compatible = "gpio-keys-polled";
  46                 poll-interval = <20>;
  47
  48                 mode {
  49                         label = "mode";
  50                         gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  51                         linux,code = <BTN_0>;
  52                 };
  53
  54                 reset {
  55                         label = "reset";
  56                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  57                         linux,code = <KEY_RESTART>;
  58                 };
  59         };
  60
  61         beeper {
  62                 compatible = "gpio-beeper";
  63                 gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
  64         };
  65
  66         gpio_export {
  67                 compatible = "gpio-export";
  68                 #size-cells = <0>;
  69
  70                 usb_power {
  71                         gpio-export,name = "usb_power";
  72                         gpio-export,output = <1>;
  73                         gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  74                 };
  75         };
  76 };
  77
  78 &spi0 {
  79         status = "okay";
  80
  81         flash@0 {
  82                 compatible = "jedec,spi-nor";
  83                 reg = <0>;
  84                 spi-max-frequency = <20000000>;
  85
  86                 partitions {
  87                         compatible = "fixed-partitions";
  88                         #address-cells = <1>;
  89                         #size-cells = <1>;
  90
  91                         partition@0 {
  92                                 label = "RouterBoot";
  93                                 reg = <0x0 0x40000>;
  94                                 read-only;
  95                                 compatible = "fixed-partitions";
  96                                 #address-cells = <1>;
  97                                 #size-cells = <1>;
  98
  99                                 partition@0 {
 100                                         label = "bootloader1";
 101                                         reg = <0x0 0xf000>;
 102                                         read-only;
 103                                 };
 104
 105                                 hard_config: partition@f000 {
 106                                         label = "hard_config";
 107                                         reg = <0xf000 0x1000>;
 108                                         read-only;
 109                                 };
 110
 111                                 partition@10000 {
 112                                         label = "bootloader2";
 113                                         reg = <0x10000 0xf000>;
 114                                         read-only;
 115                                 };
 116
 117                                 partition@20000 {
 118                                         label = "soft_config";
 119                                         reg = <0x20000 0x1000>;
 120                                 };
 121
 122                                 partition@30000 {
 123                                         label = "bios";
 124                                         reg = <0x30000 0x1000>;
 125                                         read-only;
 126                                 };
 127                         };
 128
 129                         partition@40000 {
 130                                 compatible = "mikrotik,minor";
 131                                 label = "firmware";
 132                                 reg = <0x040000 0xfc0000>;
 133                         };
 134                 };
 135         };
 136 };
 137
 138 &ethernet {
 139         mtd-mac-address = <&hard_config 0x0010>;
 140         mtd-mac-address-increment = <1>;
 141 };
 142
 143 &pinctrl {
 144         state_default: pinctrl0 {
 145                 gpio {
 146                         /* via gpio7 (uart3 group) the PoE status can be read */
 147                         ralink,group = "uart2", "uart3", "jtag", "wdt";
 148                         ralink,function = "gpio";
 149                 };
 150         };
 151 };
 152
 153 &sdhci {
 154         status = "okay";
 155 };