target/linux/ramips/dts/mt7621_xiaomi_mir3g.dts

   1 /dts-v1/;
   2
   3 #include "mt7621.dtsi"
   4
   5 #include <dt-bindings/gpio/gpio.h>
   6 #include <dt-bindings/input/input.h>
   7
   8 / {
   9         compatible = "xiaomi,mir3g", "mediatek,mt7621-soc";
  10         model = "Xiaomi Mi Router 3G";
  11
  12         aliases {
  13                 led-boot = &led_status_yellow;
  14                 led-failsafe = &led_status_red;
  15                 led-running = &led_status_blue;
  16                 led-upgrade = &led_status_yellow;
  17                 label-mac-device = &gmac0;
  18         };
  19
  20         chosen {
  21                 bootargs = "console=ttyS0,115200n8";
  22         };
  23
  24         leds {
  25                 compatible = "gpio-leds";
  26
  27                 led_status_red: status_red {
  28                         label = "mir3g:red:status";
  29                         gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
  30                 };
  31
  32                 led_status_blue: status_blue {
  33                         label = "mir3g:blue:status";
  34                         gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
  35                 };
  36
  37                 led_status_yellow: status_yellow {
  38                         label = "mir3g:yellow:status";
  39                         gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
  40                 };
  41
  42                 wan_amber {
  43                         label = "mir3g:amber:wan";
  44                         gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
  45                         linux,default-trigger = "dsa-0.0:01:1Gbps";
  46                 };
  47
  48                 lan1_amber {
  49                         label = "mir3g:amber:lan1";
  50                         gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
  51                         linux,default-trigger = "dsa-0.0:03:1Gbps";
  52                 };
  53
  54                 lan2_amber {
  55                         label = "mir3g:amber:lan2";
  56                         gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
  57                         linux,default-trigger = "dsa-0.0:02:1Gbps";
  58                 };
  59         };
  60
  61         keys {
  62                 compatible = "gpio-keys";
  63
  64                 reset {
  65                         label = "reset";
  66                         gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
  67                         linux,code = <KEY_RESTART>;
  68                 };
  69         };
  70
  71         reg_usb_vbus: regulator {
  72                 compatible = "regulator-fixed";
  73                 regulator-name = "usb_vbus";
  74                 regulator-min-microvolt = <5000000>;
  75                 regulator-max-microvolt = <5000000>;
  76                 gpio = <&gpio 12 GPIO_ACTIVE_HIGH>;
  77                 enable-active-high;
  78         };
  79 };
  80
  81 &xhci {
  82         vbus-supply = <&reg_usb_vbus>;
  83 };
  84
  85 &nand {
  86         status = "okay";
  87
  88         partitions {
  89                 compatible = "fixed-partitions";
  90                 #address-cells = <1>;
  91                 #size-cells = <1>;
  92
  93                 partition@0 {
  94                         label = "Bootloader";
  95                         reg = <0x0 0x80000>;
  96                         read-only;
  97                 };
  98
  99                 partition@80000 {
 100                         label = "Config";
 101                         reg = <0x80000 0x40000>;
 102                 };
 103
 104                 partition@c0000 {
 105                         label = "Bdata";
 106                         reg = <0xc0000 0x40000>;
 107                         read-only;
 108                 };
 109
 110                 factory: partition@100000 {
 111                         label = "factory";
 112                         reg = <0x100000 0x40000>;
 113                         read-only;
 114                 };
 115
 116                 partition@140000 {
 117                         label = "crash";
 118                         reg = <0x140000 0x40000>;
 119                 };
 120
 121                 partition@180000 {
 122                         label = "crash_syslog";
 123                         reg = <0x180000 0x40000>;
 124                 };
 125
 126                 partition@1c0000 {
 127                         label = "reserved0";
 128                         reg = <0x1c0000 0x40000>;
 129                         read-only;
 130                 };
 131
 132                 /* uboot expects to find kernels at 0x200000 & 0x600000
 133                  * referred to as system 1 & system 2 respectively.
 134                  * a kernel is considered suitable for handing control over
 135                  * if its linux magic number exists & uImage CRC are correct.
 136                  * If either of those conditions fail, a matching sys'n'_fail flag
 137                  * is set in uboot env & a restart performed in the hope that the
 138                  * alternate kernel is okay.
 139                  * if neither kernel checksums ok and both are marked failed, system 2
 140                  * is booted anyway.
 141                  *
 142                  * Note uboot's tftp flash install writes the transferred
 143                  * image to both kernel partitions.
 144                  */
 145
 146                 partition@200000 {
 147                         label = "kernel_stock";
 148                         reg = <0x200000 0x400000>;
 149                 };
 150
 151                 partition@600000 {
 152                         label = "kernel";
 153                         reg = <0x600000 0x400000>;
 154                 };
 155
 156                 /* ubi partition is the result of squashing
 157                  * next consecutive stock partitions:
 158                  * - rootfs0 (rootfs partition for stock kernel0),
 159                  * - rootfs1 (rootfs partition for stock failsafe kernel1),
 160                  * - overlay (used as ubi overlay in stock fw)
 161                  * resulting 117,5MiB space for packages.
 162                  */
 163
 164                 partition@a00000 {
 165                         label = "ubi";
 166                         reg = <0xa00000 0x7580000>;
 167                 };
 168         };
 169 };
 170
 171 &pcie {
 172         status = "okay";
 173 };
 174
 175 &pcie0 {
 176         wifi@0,0 {
 177                 compatible = "pci14c3,7603";
 178                 reg = <0x0000 0 0 0 0>;
 179                 mediatek,mtd-eeprom = <&factory 0x0000>;
 180                 ieee80211-freq-limit = <2400000 2500000>;
 181         };
 182 };
 183
 184 &pcie1 {
 185         wifi@0,0 {
 186                 compatible = "pci14c3,7662";
 187                 reg = <0x0000 0 0 0 0>;
 188                 mediatek,mtd-eeprom = <&factory 0x8000>;
 189                 ieee80211-freq-limit = <5000000 6000000>;
 190         };
 191 };
 192
 193 &gmac0 {
 194         mtd-mac-address = <&factory 0xe006>;
 195 };
 196
 197 &switch0 {
 198         ports {
 199                 port@1 {
 200                         status = "okay";
 201                         label = "wan";
 202                         mtd-mac-address = <&factory 0xe000>;
 203                 };
 204
 205                 port@2 {
 206                         status = "okay";
 207                         label = "lan2";
 208                 };
 209
 210                 port@3 {
 211                         status = "okay";
 212                         label = "lan1";
 213                 };
 214         };
 215 };
 216
 217 &state_default {
 218         gpio {
 219                 groups = "jtag", "uart2", "uart3", "wdt";
 220                 function = "gpio";
 221         };
 222 };