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         memory@0 {
  13                 device_type = "memory";
  14                 reg = <0x0 0x10000000>;
  15         };
  16
  17         chosen {
  18                 bootargs = "console=ttyS0,115200n8";
  19         };
  20
  21         gpio-leds {
  22                 compatible = "gpio-leds";
  23
  24                 wan {
  25                         label = "mir3g:red:wan";
  26                         gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
  27                 };
  28
  29                 usb {
  30                         label = "mir3g:blue:usb";
  31                         gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
  32                 };
  33
  34                 status {
  35                         label = "mir3g:yellow:status";
  36                         gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
  37                 };
  38         };
  39
  40         gpio-keys-polled {
  41                 compatible = "gpio-keys-polled";
  42                 #address-cells = <1>;
  43                 #size-cells = <0>;
  44                 poll-interval = <20>;
  45
  46                 reset {
  47                         label = "reset";
  48                         gpios = <&gpio0 18 GPIO_ACTIVE_HIGH>;
  49                         linux,code = <KEY_RESTART>;
  50                 };
  51         };
  52 };
  53
  54 &nand {
  55         status = "okay";
  56
  57         partition@0 {
  58                 label = "Bootloader";
  59                 reg = <0x0 0x80000>;
  60                 read-only;
  61         };
  62
  63         partition@80000 {
  64                 label = "Config";
  65                 reg = <0x80000 0x40000>;
  66                 read-only;
  67         };
  68
  69         partition@c0000 {
  70                 label = "Bdata";
  71                 reg = <0xc0000 0x40000>;
  72                 read-only;
  73         };
  74
  75         factory: partition@100000 {
  76                 label = "Factory";
  77                 reg = <0x100000 0x40000>;
  78                 read-only;
  79         };
  80
  81         partition@140000 {
  82                 label = "crash";
  83                 reg = <0x140000 0x40000>;
  84                 read-only;
  85         };
  86
  87         partition@180000 {
  88                 label = "crash_syslog";
  89                 reg = <0x180000 0x40000>;
  90                 read-only;
  91         };
  92
  93         partition@1c0000 {
  94                 label = "reserved0";
  95                 reg = <0x1c0000 0x40000>;
  96                 read-only;
  97         };
  98
  99         /*
 100          * kernel0 partition should be erased, so
 101          * u-boot in failsafe routine switches
 102          * to next one looking for kernel image.
 103          * To remind about this fact rename kernel0
 104          * into kernel_erase.
 105          */
 106         partition@200000 {
 107                 label = "kernel_erase";
 108                 reg = <0x200000 0x400000>;
 109         };
 110
 111         partition@600000 {
 112                 label = "kernel";
 113                 reg = <0x600000 0x400000>;
 114         };
 115
 116         /* ubi partition is the result of squashing
 117          * next consequent stock partitions:
 118          * - rootfs0 (rootfs partition for stock kernel0),
 119          * - rootfs1 (rootfs partition for stock failsafe kernel1),
 120          * - overlay (used as ubi overlay in stock fw)
 121          * resulting 117,5MiB space for packages.
 122          */
 123         partition@a00000 {
 124                 label = "ubi";
 125                 reg = <0xa00000 0x7580000>;
 126         };
 127 };
 128
 129 &pcie {
 130         status = "okay";
 131
 132         pcie0 {
 133                 wifi@14c3,7603 {
 134                         compatible = "pci14c3,7603";
 135                         reg = <0x0000 0 0 0 0>;
 136                         mediatek,mtd-eeprom = <&factory 0x0000>;
 137                         ieee80211-freq-limit = <2400000 2500000>;
 138                 };
 139         };
 140
 141         pcie1 {
 142                 wifi@14c3,7662 {
 143                         compatible = "pci14c3,7662";
 144                         reg = <0x0000 0 0 0 0>;
 145                         mediatek,mtd-eeprom = <&factory 0x8000>;
 146                         ieee80211-freq-limit = <5000000 6000000>;
 147                 };
 148         };
 149 };
 150
 151 &ethernet {
 152         mtd-mac-address = <&factory 0xe000>;
 153         mediatek,portmap = "lwlll";
 154 };
 155
 156 &pinctrl {
 157         state_default: pinctrl0 {
 158                 gpio {
 159                         ralink,group = "jtag", "uart3", "wdt";
 160                         ralink,function = "gpio";
 161                 };
 162         };
 163 };