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                 poll-interval = <20>;
  63
  64                 reset {
  65                         label = "reset";
  66                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  67                         linux,code = <KEY_RESTART>;
  68                 };
  69         };
  70
  71         reg_usb_vbus: reg_usb_vbus {
  72                 compatible = "regulator-fixed";
  73                 regulator-name = "usb_vbus";
  74                 regulator-min-microvolt = <5000000>;
  75                 regulator-max-microvolt = <5000000>;
  76                 gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  77                 enable-active-high;
  78         };
  79
  80 };
  81
  82 &xhci {
  83         vbus-supply = <&reg_usb_vbus>;
  84 };
  85
  86 &nand {
  87         status = "okay";
  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 &pcie {
 167         status = "okay";
 168 };
 169
 170 &pcie0 {
 171         wifi@0,0 {
 172                 compatible = "pci14c3,7603";
 173                 reg = <0x0000 0 0 0 0>;
 174                 mediatek,mtd-eeprom = <&factory 0x0000>;
 175                 ieee80211-freq-limit = <2400000 2500000>;
 176         };
 177 };
 178
 179 &pcie1 {
 180         wifi@0,0 {
 181                 compatible = "pci14c3,7662";
 182                 reg = <0x0000 0 0 0 0>;
 183                 mediatek,mtd-eeprom = <&factory 0x8000>;
 184                 ieee80211-freq-limit = <5000000 6000000>;
 185         };
 186 };
 187
 188 &ethernet {
 189         mtd-mac-address = <&factory 0xe000>;
 190         mediatek,portmap = "lwlll";
 191 };
 192
 193 &pinctrl {
 194         state_default: pinctrl0 {
 195                 gpio {
 196                         ralink,group = "jtag", "uart2", "uart3", "wdt";
 197                         ralink,function = "gpio";
 198                 };
 199         };
 200 };