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         gpio-keys-polled {
  60                 compatible = "gpio-keys-polled";
  61                 poll-interval = <20>;
  62
  63                 reset {
  64                         label = "reset";
  65                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  66                         linux,code = <KEY_RESTART>;
  67                 };
  68         };
  69
  70         reg_usb_vbus: reg_usb_vbus {
  71                 compatible = "regulator-fixed";
  72                 regulator-name = "usb_vbus";
  73                 regulator-min-microvolt = <5000000>;
  74                 regulator-max-microvolt = <5000000>;
  75                 gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  76                 enable-active-high;
  77         };
  78 };
  79
  80 &xhci {
  81         vbus-supply = <&reg_usb_vbus>;
  82 };
  83
  84 &nand {
  85         status = "okay";
  86
  87         partitions {
  88                 compatible = "fixed-partitions";
  89                 #address-cells = <1>;
  90                 #size-cells = <1>;
  91
  92                 partition@0 {
  93                         label = "Bootloader";
  94                         reg = <0x0 0x80000>;
  95                         read-only;
  96                 };
  97
  98                 partition@80000 {
  99                         label = "Config";
 100                         reg = <0x80000 0x40000>;
 101                 };
 102
 103                 partition@c0000 {
 104                         label = "Bdata";
 105                         reg = <0xc0000 0x40000>;
 106                         read-only;
 107                 };
 108
 109                 factory: partition@100000 {
 110                         label = "Factory";
 111                         reg = <0x100000 0x40000>;
 112                         read-only;
 113                 };
 114
 115                 partition@140000 {
 116                         label = "crash";
 117                         reg = <0x140000 0x40000>;
 118                 };
 119
 120                 partition@180000 {
 121                         label = "crash_syslog";
 122                         reg = <0x180000 0x40000>;
 123                 };
 124
 125                 partition@1c0000 {
 126                         label = "reserved0";
 127                         reg = <0x1c0000 0x40000>;
 128                         read-only;
 129                 };
 130
 131                 /* uboot expects to find kernels at 0x200000 & 0x600000
 132                  * referred to as system 1 & system 2 respectively.
 133                  * a kernel is considered suitable for handing control over
 134                  * if its linux magic number exists & uImage CRC are correct.
 135                  * If either of those conditions fail, a matching sys'n'_fail flag
 136                  * is set in uboot env & a restart performed in the hope that the
 137                  * alternate kernel is okay.
 138                  * if neither kernel checksums ok and both are marked failed, system 2
 139                  * is booted anyway.
 140                  *
 141                  * Note uboot's tftp flash install writes the transferred
 142                  * image to both kernel partitions.
 143                  */
 144
 145                 partition@200000 {
 146                         label = "kernel_stock";
 147                         reg = <0x200000 0x400000>;
 148                 };
 149
 150                 partition@600000 {
 151                         label = "kernel";
 152                         reg = <0x600000 0x400000>;
 153                 };
 154
 155                 /* ubi partition is the result of squashing
 156                  * next consecutive stock partitions:
 157                  * - rootfs0 (rootfs partition for stock kernel0),
 158                  * - rootfs1 (rootfs partition for stock failsafe kernel1),
 159                  * - overlay (used as ubi overlay in stock fw)
 160                  * resulting 117,5MiB space for packages.
 161                  */
 162
 163                 partition@a00000 {
 164                         label = "ubi";
 165                         reg = <0xa00000 0x7580000>;
 166                 };
 167         };
 168 };
 169
 170 &pcie {
 171         status = "okay";
 172 };
 173
 174 &pcie0 {
 175         wifi@0,0 {
 176                 compatible = "pci14c3,7603";
 177                 reg = <0x0000 0 0 0 0>;
 178                 mediatek,mtd-eeprom = <&factory 0x0000>;
 179                 ieee80211-freq-limit = <2400000 2500000>;
 180         };
 181 };
 182
 183 &pcie1 {
 184         wifi@0,0 {
 185                 compatible = "pci14c3,7662";
 186                 reg = <0x0000 0 0 0 0>;
 187                 mediatek,mtd-eeprom = <&factory 0x8000>;
 188                 ieee80211-freq-limit = <5000000 6000000>;
 189         };
 190 };
 191
 192 &ethernet {
 193         mtd-mac-address = <&factory 0xe000>;
 194         mediatek,portmap = "lwlll";
 195 };
 196
 197 &pinctrl {
 198         state_default: pinctrl0 {
 199                 gpio {
 200                         ralink,group = "jtag", "uart2", "uart3", "wdt";
 201                         ralink,function = "gpio";
 202                 };
 203         };
 204 };