target/linux/ramips/dts/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-status = &led_status_blue;
  14         };
  15
  16         memory@0 {
  17                 device_type = "memory";
  18                 reg = <0x0 0x10000000>;
  19         };
  20
  21         chosen {
  22                 bootargs = "console=ttyS0,115200n8";
  23         };
  24
  25         gpio-leds {
  26                 compatible = "gpio-leds";
  27
  28                 status_red {
  29                         label = "mir3g:red:status";
  30                         gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
  31                 };
  32
  33                 led_status_blue: status_blue {
  34                         label = "mir3g:blue:status";
  35                         gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
  36                 };
  37
  38                 status_yellow {
  39                         label = "mir3g:yellow:status";
  40                         gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
  41                 };
  42
  43                 wan_amber {
  44                         label = "mir3g:amber:wan";
  45                         gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  46                 };
  47
  48                 lan1_amber {
  49                         label = "mir3g:amber:lan1";
  50                         gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
  51                 };
  52
  53                 lan2_amber {
  54                         label = "mir3g:amber:lan2";
  55                         gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
  56                 };
  57
  58         };
  59
  60         gpio-keys-polled {
  61                 compatible = "gpio-keys-polled";
  62                 #address-cells = <1>;
  63                 #size-cells = <0>;
  64                 poll-interval = <20>;
  65
  66                 reset {
  67                         label = "reset";
  68                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  69                         linux,code = <KEY_RESTART>;
  70                 };
  71         };
  72
  73         reg_usb_vbus: reg_usb_vbus {
  74                 compatible = "regulator-fixed";
  75                 regulator-name = "usb_vbus";
  76                 regulator-min-microvolt = <5000000>;
  77                 regulator-max-microvolt = <5000000>;
  78                 gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  79                 enable-active-high;
  80         };
  81
  82 };
  83
  84 &xhci {
  85         vbus-supply = <&reg_usb_vbus>;
  86 };
  87
  88 &nand {
  89         status = "okay";
  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 &pcie {
 169         status = "okay";
 170
 171         pcie0 {
 172                 wifi@14c3,7603 {
 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@14c3,7662 {
 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
 190 &ethernet {
 191         mtd-mac-address = <&factory 0xe000>;
 192         mediatek,portmap = "lwlll";
 193 };
 194
 195 &pinctrl {
 196         state_default: pinctrl0 {
 197                 gpio {
 198                         ralink,group = "jtag", "uart2", "uart3", "wdt";
 199                         ralink,function = "gpio";
 200                 };
 201         };
 202 };