target/linux/ramips/dts/RB750Gr3.dts

   1 /dts-v1/;
   2
   3 #include "mt7621.dtsi"
   4
   5 #include <dt-bindings/input/input.h>
   6 #include <dt-bindings/gpio/gpio.h>
   7
   8 / {
   9         compatible = "mikrotik,rb750gr3", "mediatek,mt7621-soc";
  10         model = "MikroTik RouterBOARD 750Gr3";
  11
  12         aliases {
  13                 led-boot = &led_usr;
  14                 led-failsafe = &led_usr;
  15                 led-running = &led_usr;
  16                 led-upgrade = &led_usr;
  17         };
  18
  19         memory@0 {
  20                 device_type = "memory";
  21                 reg = <0x0 0x10000000>;
  22         };
  23
  24         chosen {
  25                 bootargs = "console=ttyS0,115200";
  26         };
  27
  28         leds {
  29                 compatible = "gpio-leds";
  30
  31                 pwr {
  32                         label = "rb750gr3:blue:pwr";
  33                         gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
  34                         default-state = "on";
  35                 };
  36
  37                 led_usr: usr {
  38                         label = "rb750gr3:green:usr";
  39                         gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
  40                 };
  41         };
  42
  43         keys {
  44                 compatible = "gpio-keys-polled";
  45                 poll-interval = <20>;
  46
  47                 mode {
  48                         label = "mode";
  49                         gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  50                         linux,code = <BTN_0>;
  51                 };
  52
  53                 reset {
  54                         label = "reset";
  55                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  56                         linux,code = <KEY_RESTART>;
  57                 };
  58         };
  59
  60         beeper {
  61                 compatible = "gpio-beeper";
  62                 gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
  63         };
  64
  65         gpio_export {
  66                 compatible = "gpio-export";
  67                 #size-cells = <0>;
  68
  69                 usb_power {
  70                         gpio-export,name = "usb_power";
  71                         gpio-export,output = <1>;
  72                         gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  73                 };
  74         };
  75 };
  76
  77 &spi0 {
  78         status = "okay";
  79
  80         flash@0 {
  81                 compatible = "jedec,spi-nor";
  82                 reg = <0>;
  83                 spi-max-frequency = <20000000>;
  84
  85                 partitions {
  86                         compatible = "fixed-partitions";
  87                         #address-cells = <1>;
  88                         #size-cells = <1>;
  89
  90                         partition@0 {
  91                                 label = "RouterBoot";
  92                                 reg = <0x0 0x40000>;
  93                                 read-only;
  94                                 compatible = "fixed-partitions";
  95                                 #address-cells = <1>;
  96                                 #size-cells = <1>;
  97
  98                                 partition@0 {
  99                                         label = "bootloader1";
 100                                         reg = <0x0 0xf000>;
 101                                         read-only;
 102                                 };
 103
 104                                 hard_config: partition@f000 {
 105                                         label = "hard_config";
 106                                         reg = <0xf000 0x1000>;
 107                                         read-only;
 108                                 };
 109
 110                                 partition@10000 {
 111                                         label = "bootloader2";
 112                                         reg = <0x10000 0xf000>;
 113                                         read-only;
 114                                 };
 115
 116                                 partition@20000 {
 117                                         label = "soft_config";
 118                                         reg = <0x20000 0x1000>;
 119                                 };
 120
 121                                 partition@30000 {
 122                                         label = "bios";
 123                                         reg = <0x30000 0x1000>;
 124                                         read-only;
 125                                 };
 126                         };
 127
 128                         partition@40000 {
 129                                 compatible = "mikrotik,minor";
 130                                 label = "firmware";
 131                                 reg = <0x040000 0xfc0000>;
 132                         };
 133                 };
 134         };
 135 };
 136
 137 &ethernet {
 138         mtd-mac-address = <&hard_config 0x0010>;
 139         mtd-mac-address-increment = <1>;
 140 };
 141
 142 &pinctrl {
 143         state_default: pinctrl0 {
 144                 gpio {
 145                         /* via gpio7 (uart3 group) the PoE status can be read */
 146                         ralink,group = "uart2", "uart3", "jtag", "wdt";
 147                         ralink,function = "gpio";
 148                 };
 149         };
 150 };
 151
 152 &sdhci {
 153         status = "okay";
 154 };