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         };
  18
  19         chosen {
  20                 bootargs = "console=ttyS0,115200n8";
  21         };
  22
  23         leds {
  24                 compatible = "gpio-leds";
  25
  26                 led_status_red: status_red {
  27                         label = "mir3g:red:status";
  28                         gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
  29                 };
  30
  31                 led_status_blue: status_blue {
  32                         label = "mir3g:blue:status";
  33                         gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
  34                 };
  35
  36                 led_status_yellow: status_yellow {
  37                         label = "mir3g:yellow:status";
  38                         gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
  39                 };
  40
  41                 wan_amber {
  42                         label = "mir3g:amber:wan";
  43                         gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  44                 };
  45
  46                 lan1_amber {
  47                         label = "mir3g:amber:lan1";
  48                         gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
  49                 };
  50
  51                 lan2_amber {
  52                         label = "mir3g:amber:lan2";
  53                         gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
  54                 };
  55         };
  56
  57         keys {
  58                 compatible = "gpio-keys";
  59
  60                 reset {
  61                         label = "reset";
  62                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  63                         linux,code = <KEY_RESTART>;
  64                 };
  65         };
  66
  67         reg_usb_vbus: regulator {
  68                 compatible = "regulator-fixed";
  69                 regulator-name = "usb_vbus";
  70                 regulator-min-microvolt = <5000000>;
  71                 regulator-max-microvolt = <5000000>;
  72                 gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  73                 enable-active-high;
  74         };
  75 };
  76
  77 &xhci {
  78         vbus-supply = <&reg_usb_vbus>;
  79 };
  80
  81 &nand {
  82         status = "okay";
  83
  84         partitions {
  85                 compatible = "fixed-partitions";
  86                 #address-cells = <1>;
  87                 #size-cells = <1>;
  88
  89                 partition@0 {
  90                         label = "Bootloader";
  91                         reg = <0x0 0x80000>;
  92                         read-only;
  93                 };
  94
  95                 partition@80000 {
  96                         label = "Config";
  97                         reg = <0x80000 0x40000>;
  98                 };
  99
 100                 partition@c0000 {
 101                         label = "Bdata";
 102                         reg = <0xc0000 0x40000>;
 103                         read-only;
 104                 };
 105
 106                 factory: partition@100000 {
 107                         label = "factory";
 108                         reg = <0x100000 0x40000>;
 109                         read-only;
 110                 };
 111
 112                 partition@140000 {
 113                         label = "crash";
 114                         reg = <0x140000 0x40000>;
 115                 };
 116
 117                 partition@180000 {
 118                         label = "crash_syslog";
 119                         reg = <0x180000 0x40000>;
 120                 };
 121
 122                 partition@1c0000 {
 123                         label = "reserved0";
 124                         reg = <0x1c0000 0x40000>;
 125                         read-only;
 126                 };
 127
 128                 /* uboot expects to find kernels at 0x200000 & 0x600000
 129                  * referred to as system 1 & system 2 respectively.
 130                  * a kernel is considered suitable for handing control over
 131                  * if its linux magic number exists & uImage CRC are correct.
 132                  * If either of those conditions fail, a matching sys'n'_fail flag
 133                  * is set in uboot env & a restart performed in the hope that the
 134                  * alternate kernel is okay.
 135                  * if neither kernel checksums ok and both are marked failed, system 2
 136                  * is booted anyway.
 137                  *
 138                  * Note uboot's tftp flash install writes the transferred
 139                  * image to both kernel partitions.
 140                  */
 141
 142                 partition@200000 {
 143                         label = "kernel_stock";
 144                         reg = <0x200000 0x400000>;
 145                 };
 146
 147                 partition@600000 {
 148                         label = "kernel";
 149                         reg = <0x600000 0x400000>;
 150                 };
 151
 152                 /* ubi partition is the result of squashing
 153                  * next consecutive stock partitions:
 154                  * - rootfs0 (rootfs partition for stock kernel0),
 155                  * - rootfs1 (rootfs partition for stock failsafe kernel1),
 156                  * - overlay (used as ubi overlay in stock fw)
 157                  * resulting 117,5MiB space for packages.
 158                  */
 159
 160                 partition@a00000 {
 161                         label = "ubi";
 162                         reg = <0xa00000 0x7580000>;
 163                 };
 164         };
 165 };
 166
 167 &pcie {
 168         status = "okay";
 169 };
 170
 171 &pcie0 {
 172         wifi@0,0 {
 173                 compatible = "pci14c3,7603";
 174                 reg = <0x0000 0 0 0 0>;
 175                 mediatek,mtd-eeprom = <&factory 0x0000>;
 176                 ieee80211-freq-limit = <2400000 2500000>;
 177         };
 178 };
 179
 180 &pcie1 {
 181         wifi@0,0 {
 182                 compatible = "pci14c3,7662";
 183                 reg = <0x0000 0 0 0 0>;
 184                 mediatek,mtd-eeprom = <&factory 0x8000>;
 185                 ieee80211-freq-limit = <5000000 6000000>;
 186         };
 187 };
 188
 189 &ethernet {
 190         mtd-mac-address = <&factory 0xe000>;
 191         mediatek,portmap = "lwlll";
 192 };
 193
 194 &pinctrl {
 195         state_default: pinctrl0 {
 196                 gpio {
 197                         ralink,group = "jtag", "uart2", "uart3", "wdt";
 198                         ralink,function = "gpio";
 199                 };
 200         };
 201 };