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         partitions {
  90                 compatible = "fixed-partitions";
  91                 #address-cells = <1>;
  92                 #size-cells = <1>;
  93
  94                 partition@0 {
  95                         label = "Bootloader";
  96                         reg = <0x0 0x80000>;
  97                         read-only;
  98                 };
  99
 100                 partition@80000 {
 101                         label = "Config";
 102                         reg = <0x80000 0x40000>;
 103                 };
 104
 105                 partition@c0000 {
 106                         label = "Bdata";
 107                         reg = <0xc0000 0x40000>;
 108                         read-only;
 109                 };
 110
 111                 factory: partition@100000 {
 112                         label = "Factory";
 113                         reg = <0x100000 0x40000>;
 114                         read-only;
 115                 };
 116
 117                 partition@140000 {
 118                         label = "crash";
 119                         reg = <0x140000 0x40000>;
 120                 };
 121
 122                 partition@180000 {
 123                         label = "crash_syslog";
 124                         reg = <0x180000 0x40000>;
 125                 };
 126
 127                 partition@1c0000 {
 128                         label = "reserved0";
 129                         reg = <0x1c0000 0x40000>;
 130                         read-only;
 131                 };
 132
 133                 /* uboot expects to find kernels at 0x200000 & 0x600000
 134                  * referred to as system 1 & system 2 respectively.
 135                  * a kernel is considered suitable for handing control over
 136                  * if its linux magic number exists & uImage CRC are correct.
 137                  * If either of those conditions fail, a matching sys'n'_fail flag
 138                  * is set in uboot env & a restart performed in the hope that the
 139                  * alternate kernel is okay.
 140                  * if neither kernel checksums ok and both are marked failed, system 2
 141                  * is booted anyway.
 142                  *
 143                  * Note uboot's tftp flash install writes the transferred
 144                  * image to both kernel partitions.
 145                  */
 146
 147                 partition@200000 {
 148                         label = "kernel_stock";
 149                         reg = <0x200000 0x400000>;
 150                 };
 151
 152                 partition@600000 {
 153                         label = "kernel";
 154                         reg = <0x600000 0x400000>;
 155                 };
 156
 157                 /* ubi partition is the result of squashing
 158                  * next consecutive stock partitions:
 159                  * - rootfs0 (rootfs partition for stock kernel0),
 160                  * - rootfs1 (rootfs partition for stock failsafe kernel1),
 161                  * - overlay (used as ubi overlay in stock fw)
 162                  * resulting 117,5MiB space for packages.
 163                  */
 164
 165                 partition@a00000 {
 166                         label = "ubi";
 167                         reg = <0xa00000 0x7580000>;
 168                 };
 169         };
 170 };
 171
 172 &pcie {
 173         status = "okay";
 174 };
 175
 176 &pcie0 {
 177         wifi@0,0 {
 178                 compatible = "pci14c3,7603";
 179                 reg = <0x0000 0 0 0 0>;
 180                 mediatek,mtd-eeprom = <&factory 0x0000>;
 181                 ieee80211-freq-limit = <2400000 2500000>;
 182         };
 183 };
 184
 185 &pcie1 {
 186         wifi@0,0 {
 187                 compatible = "pci14c3,7662";
 188                 reg = <0x0000 0 0 0 0>;
 189                 mediatek,mtd-eeprom = <&factory 0x8000>;
 190                 ieee80211-freq-limit = <5000000 6000000>;
 191         };
 192 };
 193
 194 &ethernet {
 195         mtd-mac-address = <&factory 0xe000>;
 196         mediatek,portmap = "lwlll";
 197 };
 198
 199 &pinctrl {
 200         state_default: pinctrl0 {
 201                 gpio {
 202                         ralink,group = "jtag", "uart2", "uart3", "wdt";
 203                         ralink,function = "gpio";
 204                 };
 205         };
 206 };