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         reg_usb_vbus: reg_usb_vbus {
  70                 compatible = "regulator-fixed";
  71                 regulator-name = "usb_vbus";
  72                 regulator-min-microvolt = <5000000>;
  73                 regulator-max-microvolt = <5000000>;
  74                 gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  75                 enable-active-high;
  76         };
  77
  78 };
  79
  80 &xhci {
  81         vbus-supply = <&reg_usb_vbus>;
  82 };
  83
  84 &nand {
  85         status = "okay";
  86
  87         partition@0 {
  88                 label = "Bootloader";
  89                 reg = <0x0 0x80000>;
  90                 read-only;
  91         };
  92
  93         partition@80000 {
  94                 label = "Config";
  95                 reg = <0x80000 0x40000>;
  96         };
  97
  98         partition@c0000 {
  99                 label = "Bdata";
 100                 reg = <0xc0000 0x40000>;
 101                 read-only;
 102         };
 103
 104         factory: partition@100000 {
 105                 label = "Factory";
 106                 reg = <0x100000 0x40000>;
 107                 read-only;
 108         };
 109
 110         partition@140000 {
 111                 label = "crash";
 112                 reg = <0x140000 0x40000>;
 113         };
 114
 115         partition@180000 {
 116                 label = "crash_syslog";
 117                 reg = <0x180000 0x40000>;
 118         };
 119
 120         partition@1c0000 {
 121                 label = "reserved0";
 122                 reg = <0x1c0000 0x40000>;
 123                 read-only;
 124         };
 125
 126         /* uboot expects to find kernels at 0x200000 & 0x600000
 127          * referred to as system 1 & system 2 respectively.
 128          * a kernel is considered suitable for handing control over
 129          * if its linux magic number exists & uImage CRC are correct.
 130          * If either of those conditions fail, a matching sys'n'_fail flag
 131          * is set in uboot env & a restart performed in the hope that the
 132          * alternate kernel is okay.
 133          * if neither kernel checksums ok and both are marked failed, system 2
 134          * is booted anyway.
 135          *
 136          * Note uboot's tftp flash install writes the transferred
 137          * image to both kernel partitions.
 138          */
 139
 140         partition@200000 {
 141                 label = "kernel_stock";
 142                 reg = <0x200000 0x400000>;
 143         };
 144
 145         partition@600000 {
 146                 label = "kernel";
 147                 reg = <0x600000 0x400000>;
 148         };
 149
 150         /* ubi partition is the result of squashing
 151          * next consecutive stock partitions:
 152          * - rootfs0 (rootfs partition for stock kernel0),
 153          * - rootfs1 (rootfs partition for stock failsafe kernel1),
 154          * - overlay (used as ubi overlay in stock fw)
 155          * resulting 117,5MiB space for packages.
 156          */
 157
 158         partition@a00000 {
 159                 label = "ubi";
 160                 reg = <0xa00000 0x7580000>;
 161         };
 162 };
 163
 164 &pcie {
 165         status = "okay";
 166
 167         pcie0 {
 168                 wifi@14c3,7603 {
 169                         compatible = "pci14c3,7603";
 170                         reg = <0x0000 0 0 0 0>;
 171                         mediatek,mtd-eeprom = <&factory 0x0000>;
 172                         ieee80211-freq-limit = <2400000 2500000>;
 173                 };
 174         };
 175
 176         pcie1 {
 177                 wifi@14c3,7662 {
 178                         compatible = "pci14c3,7662";
 179                         reg = <0x0000 0 0 0 0>;
 180                         mediatek,mtd-eeprom = <&factory 0x8000>;
 181                         ieee80211-freq-limit = <5000000 6000000>;
 182                 };
 183         };
 184 };
 185
 186 &ethernet {
 187         mtd-mac-address = <&factory 0xe000>;
 188         mediatek,portmap = "lwlll";
 189 };
 190
 191 &pinctrl {
 192         state_default: pinctrl0 {
 193                 gpio {
 194                         ralink,group = "jtag", "uart2", "uart3", "wdt";
 195                         ralink,function = "gpio";
 196                 };
 197         };
 198 };