target/linux/ramips/dts/mt7621_xiaomi_mir3g.dts

   1 #include "mt7621.dtsi"
   2
   3 #include <dt-bindings/gpio/gpio.h>
   4 #include <dt-bindings/input/input.h>
   5
   6 / {
   7         compatible = "xiaomi,mir3g", "mediatek,mt7621-soc";
   8         model = "Xiaomi Mi Router 3G";
   9
  10         aliases {
  11                 led-boot = &led_status_yellow;
  12                 led-failsafe = &led_status_red;
  13                 led-running = &led_status_blue;
  14                 led-upgrade = &led_status_yellow;
  15                 label-mac-device = &gmac0;
  16         };
  17
  18         chosen {
  19                 bootargs = "console=ttyS0,115200n8";
  20         };
  21
  22         leds {
  23                 compatible = "gpio-leds";
  24
  25                 led_status_red: status_red {
  26                         label = "red:status";
  27                         gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
  28                 };
  29
  30                 led_status_blue: status_blue {
  31                         label = "blue:status";
  32                         gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
  33                 };
  34
  35                 led_status_yellow: status_yellow {
  36                         label = "yellow:status";
  37                         gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
  38                 };
  39
  40                 wan_amber {
  41                         label = "amber:wan";
  42                         gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
  43                         linux,default-trigger = "dsa-0.0:01:1Gbps";
  44                 };
  45
  46                 lan1_amber {
  47                         label = "amber:lan1";
  48                         gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
  49                         linux,default-trigger = "dsa-0.0:03:1Gbps";
  50                 };
  51
  52                 lan2_amber {
  53                         label = "amber:lan2";
  54                         gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
  55                         linux,default-trigger = "dsa-0.0:02:1Gbps";
  56                 };
  57         };
  58
  59         keys {
  60                 compatible = "gpio-keys";
  61
  62                 reset {
  63                         label = "reset";
  64                         gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
  65                         linux,code = <KEY_RESTART>;
  66                 };
  67         };
  68
  69         reg_usb_vbus: regulator {
  70                 compatible = "regulator-fixed";
  71                 regulator-name = "usb_vbus";
  72                 regulator-min-microvolt = <5000000>;
  73                 regulator-max-microvolt = <5000000>;
  74                 gpio = <&gpio 12 GPIO_ACTIVE_HIGH>;
  75                 enable-active-high;
  76         };
  77 };
  78
  79 &xhci {
  80         vbus-supply = <&reg_usb_vbus>;
  81 };
  82
  83 &nand {
  84         status = "okay";
  85
  86         partitions {
  87                 compatible = "fixed-partitions";
  88                 #address-cells = <1>;
  89                 #size-cells = <1>;
  90
  91                 partition@0 {
  92                         label = "Bootloader";
  93                         reg = <0x0 0x80000>;
  94                         read-only;
  95                 };
  96
  97                 partition@80000 {
  98                         label = "Config";
  99                         reg = <0x80000 0x40000>;
 100                 };
 101
 102                 partition@c0000 {
 103                         label = "Bdata";
 104                         reg = <0xc0000 0x40000>;
 105                         read-only;
 106                 };
 107
 108                 factory: partition@100000 {
 109                         label = "factory";
 110                         reg = <0x100000 0x40000>;
 111                         read-only;
 112                 };
 113
 114                 partition@140000 {
 115                         label = "crash";
 116                         reg = <0x140000 0x40000>;
 117                 };
 118
 119                 partition@180000 {
 120                         label = "crash_syslog";
 121                         reg = <0x180000 0x40000>;
 122                 };
 123
 124                 partition@1c0000 {
 125                         label = "reserved0";
 126                         reg = <0x1c0000 0x40000>;
 127                         read-only;
 128                 };
 129
 130                 /* uboot expects to find kernels at 0x200000 & 0x600000
 131                  * referred to as system 1 & system 2 respectively.
 132                  * a kernel is considered suitable for handing control over
 133                  * if its linux magic number exists & uImage CRC are correct.
 134                  * If either of those conditions fail, a matching sys'n'_fail flag
 135                  * is set in uboot env & a restart performed in the hope that the
 136                  * alternate kernel is okay.
 137                  * if neither kernel checksums ok and both are marked failed, system 2
 138                  * is booted anyway.
 139                  *
 140                  * Note uboot's tftp flash install writes the transferred
 141                  * image to both kernel partitions.
 142                  */
 143
 144                 partition@200000 {
 145                         label = "kernel_stock";
 146                         reg = <0x200000 0x400000>;
 147                 };
 148
 149                 partition@600000 {
 150                         label = "kernel";
 151                         reg = <0x600000 0x400000>;
 152                 };
 153
 154                 /* ubi partition is the result of squashing
 155                  * next consecutive stock partitions:
 156                  * - rootfs0 (rootfs partition for stock kernel0),
 157                  * - rootfs1 (rootfs partition for stock failsafe kernel1),
 158                  * - overlay (used as ubi overlay in stock fw)
 159                  * resulting 117,5MiB space for packages.
 160                  */
 161
 162                 partition@a00000 {
 163                         label = "ubi";
 164                         reg = <0xa00000 0x7580000>;
 165                 };
 166         };
 167 };
 168
 169 &pcie {
 170         status = "okay";
 171 };
 172
 173 &pcie0 {
 174         wifi@0,0 {
 175                 compatible = "pci14c3,7603";
 176                 reg = <0x0000 0 0 0 0>;
 177                 mediatek,mtd-eeprom = <&factory 0x0000>;
 178                 ieee80211-freq-limit = <2400000 2500000>;
 179         };
 180 };
 181
 182 &pcie1 {
 183         wifi@0,0 {
 184                 compatible = "pci14c3,7662";
 185                 reg = <0x0000 0 0 0 0>;
 186                 mediatek,mtd-eeprom = <&factory 0x8000>;
 187                 ieee80211-freq-limit = <5000000 6000000>;
 188         };
 189 };
 190
 191 &gmac0 {
 192         mtd-mac-address = <&factory 0xe006>;
 193 };
 194
 195 &switch0 {
 196         ports {
 197                 port@1 {
 198                         status = "okay";
 199                         label = "wan";
 200                         mtd-mac-address = <&factory 0xe000>;
 201                 };
 202
 203                 port@2 {
 204                         status = "okay";
 205                         label = "lan2";
 206                 };
 207
 208                 port@3 {
 209                         status = "okay";
 210                         label = "lan1";
 211                 };
 212         };
 213 };
 214
 215 &state_default {
 216         gpio {
 217                 groups = "jtag", "uart2", "uart3", "wdt";
 218                 function = "gpio";
 219         };
 220 };