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                 status_red {
  25                         label = "mir3g:red:status";
  26                         gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
  27                 };
  28
  29                 status_blue {
  30                         label = "mir3g:blue:status";
  31                         gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
  32                 };
  33
  34                 status_yellow {
  35                         label = "mir3g:yellow:status";
  36                         gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
  37                 };
  38
  39                 wan_amber {
  40                         label = "mir3g:amber:wan";
  41                         gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  42                 };
  43
  44                 lan1_amber {
  45                         label = "mir3g:amber:lan1";
  46                         gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
  47                 };
  48
  49                 lan2_amber {
  50                         label = "mir3g:amber:lan2";
  51                         gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
  52                 };
  53
  54         };
  55
  56         gpio-keys-polled {
  57                 compatible = "gpio-keys-polled";
  58                 #address-cells = <1>;
  59                 #size-cells = <0>;
  60                 poll-interval = <20>;
  61
  62                 reset {
  63                         label = "reset";
  64                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  65                         linux,code = <KEY_RESTART>;
  66                 };
  67         };
  68
  69         gpio_export {
  70                 compatible = "gpio-export";
  71                 #size-cells = <0>;
  72
  73                 usbpower {
  74                         gpio-export,name = "usbpower";
  75                         gpio-export,output = <1>;
  76                         gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  77                 };
  78         };
  79 };
  80
  81 &nand {
  82         status = "okay";
  83
  84         partition@0 {
  85                 label = "Bootloader";
  86                 reg = <0x0 0x80000>;
  87                 read-only;
  88         };
  89
  90         partition@80000 {
  91                 label = "Config";
  92                 reg = <0x80000 0x40000>;
  93         };
  94
  95         partition@c0000 {
  96                 label = "Bdata";
  97                 reg = <0xc0000 0x40000>;
  98                 read-only;
  99         };
 100
 101         factory: partition@100000 {
 102                 label = "Factory";
 103                 reg = <0x100000 0x40000>;
 104                 read-only;
 105         };
 106
 107         partition@140000 {
 108                 label = "crash";
 109                 reg = <0x140000 0x40000>;
 110         };
 111
 112         partition@180000 {
 113                 label = "crash_syslog";
 114                 reg = <0x180000 0x40000>;
 115         };
 116
 117         partition@1c0000 {
 118                 label = "reserved0";
 119                 reg = <0x1c0000 0x40000>;
 120                 read-only;
 121         };
 122
 123         /* uboot expects to find kernels at 0x200000 & 0x600000
 124          * referred to as system 1 & system 2 respectively.
 125          * a kernel is considered suitable for handing control over
 126          * if its linux magic number exists & uImage CRC are correct.
 127          * If either of those conditions fail, a matching sys'n'_fail flag
 128          * is set in uboot env & a restart performed in the hope that the
 129          * alternate kernel is okay.
 130          * if neither kernel checksums ok and both are marked failed, system 2
 131          * is booted anyway.
 132          *
 133          * Note uboot's tftp flash install writes the transferred
 134          * image to both kernel partitions.
 135          */
 136
 137         partition@200000 {
 138                 label = "kernel_stock";
 139                 reg = <0x200000 0x400000>;
 140         };
 141
 142         partition@600000 {
 143                 label = "kernel";
 144                 reg = <0x600000 0x400000>;
 145         };
 146
 147         /* ubi partition is the result of squashing
 148          * next consecutive stock partitions:
 149          * - rootfs0 (rootfs partition for stock kernel0),
 150          * - rootfs1 (rootfs partition for stock failsafe kernel1),
 151          * - overlay (used as ubi overlay in stock fw)
 152          * resulting 117,5MiB space for packages.
 153          */
 154
 155         partition@a00000 {
 156                 label = "ubi";
 157                 reg = <0xa00000 0x7580000>;
 158         };
 159 };
 160
 161 &pcie {
 162         status = "okay";
 163
 164         pcie0 {
 165                 wifi@14c3,7603 {
 166                         compatible = "pci14c3,7603";
 167                         reg = <0x0000 0 0 0 0>;
 168                         mediatek,mtd-eeprom = <&factory 0x0000>;
 169                         ieee80211-freq-limit = <2400000 2500000>;
 170                 };
 171         };
 172
 173         pcie1 {
 174                 wifi@14c3,7662 {
 175                         compatible = "pci14c3,7662";
 176                         reg = <0x0000 0 0 0 0>;
 177                         mediatek,mtd-eeprom = <&factory 0x8000>;
 178                         ieee80211-freq-limit = <5000000 6000000>;
 179                 };
 180         };
 181 };
 182
 183 &ethernet {
 184         mtd-mac-address = <&factory 0xe000>;
 185         mediatek,portmap = "lwlll";
 186 };
 187
 188 &pinctrl {
 189         state_default: pinctrl0 {
 190                 gpio {
 191                         ralink,group = "jtag", "uart2", "uart3", "wdt";
 192                         ralink,function = "gpio";
 193                 };
 194         };
 195 };