target/linux/ramips/dts/mt7621_xiaomi_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-boot = &led_status_yellow;
  14                 led-failsafe = &led_status_red;
  15                 led-running = &led_status_blue;
  16                 led-upgrade = &led_status_yellow;
  17         };
  18
  19         chosen {
  20                 bootargs = "console=ttyS0,115200n8";
  21         };
  22
  23         leds {
  24                 compatible = "gpio-leds";
  25
  26                 led_status_red: status_red {
  27                         label = "mir3g:red:status";
  28                         gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
  29                 };
  30
  31                 led_status_blue: status_blue {
  32                         label = "mir3g:blue:status";
  33                         gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
  34                 };
  35
  36                 led_status_yellow: status_yellow {
  37                         label = "mir3g:yellow:status";
  38                         gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
  39                 };
  40
  41                 wan_amber {
  42                         label = "mir3g:amber:wan";
  43                         gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  44                 };
  45
  46                 lan1_amber {
  47                         label = "mir3g:amber:lan1";
  48                         gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
  49                 };
  50
  51                 lan2_amber {
  52                         label = "mir3g:amber:lan2";
  53                         gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
  54                 };
  55         };
  56
  57         button {
  58                 compatible = "gpio-keys-polled";
  59                 poll-interval = <20>;
  60
  61                 reset {
  62                         label = "reset";
  63                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  64                         linux,code = <KEY_RESTART>;
  65                 };
  66         };
  67
  68         reg_usb_vbus: regulator {
  69                 compatible = "regulator-fixed";
  70                 regulator-name = "usb_vbus";
  71                 regulator-min-microvolt = <5000000>;
  72                 regulator-max-microvolt = <5000000>;
  73                 gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  74                 enable-active-high;
  75         };
  76 };
  77
  78 &xhci {
  79         vbus-supply = <&reg_usb_vbus>;
  80 };
  81
  82 &nand {
  83         status = "okay";
  84
  85         partitions {
  86                 compatible = "fixed-partitions";
  87                 #address-cells = <1>;
  88                 #size-cells = <1>;
  89
  90                 partition@0 {
  91                         label = "Bootloader";
  92                         reg = <0x0 0x80000>;
  93                         read-only;
  94                 };
  95
  96                 partition@80000 {
  97                         label = "Config";
  98                         reg = <0x80000 0x40000>;
  99                 };
 100
 101                 partition@c0000 {
 102                         label = "Bdata";
 103                         reg = <0xc0000 0x40000>;
 104                         read-only;
 105                 };
 106
 107                 factory: partition@100000 {
 108                         label = "factory";
 109                         reg = <0x100000 0x40000>;
 110                         read-only;
 111                 };
 112
 113                 partition@140000 {
 114                         label = "crash";
 115                         reg = <0x140000 0x40000>;
 116                 };
 117
 118                 partition@180000 {
 119                         label = "crash_syslog";
 120                         reg = <0x180000 0x40000>;
 121                 };
 122
 123                 partition@1c0000 {
 124                         label = "reserved0";
 125                         reg = <0x1c0000 0x40000>;
 126                         read-only;
 127                 };
 128
 129                 /* uboot expects to find kernels at 0x200000 & 0x600000
 130                  * referred to as system 1 & system 2 respectively.
 131                  * a kernel is considered suitable for handing control over
 132                  * if its linux magic number exists & uImage CRC are correct.
 133                  * If either of those conditions fail, a matching sys'n'_fail flag
 134                  * is set in uboot env & a restart performed in the hope that the
 135                  * alternate kernel is okay.
 136                  * if neither kernel checksums ok and both are marked failed, system 2
 137                  * is booted anyway.
 138                  *
 139                  * Note uboot's tftp flash install writes the transferred
 140                  * image to both kernel partitions.
 141                  */
 142
 143                 partition@200000 {
 144                         label = "kernel_stock";
 145                         reg = <0x200000 0x400000>;
 146                 };
 147
 148                 partition@600000 {
 149                         label = "kernel";
 150                         reg = <0x600000 0x400000>;
 151                 };
 152
 153                 /* ubi partition is the result of squashing
 154                  * next consecutive stock partitions:
 155                  * - rootfs0 (rootfs partition for stock kernel0),
 156                  * - rootfs1 (rootfs partition for stock failsafe kernel1),
 157                  * - overlay (used as ubi overlay in stock fw)
 158                  * resulting 117,5MiB space for packages.
 159                  */
 160
 161                 partition@a00000 {
 162                         label = "ubi";
 163                         reg = <0xa00000 0x7580000>;
 164                 };
 165         };
 166 };
 167
 168 &pcie {
 169         status = "okay";
 170 };
 171
 172 &pcie0 {
 173         wifi@0,0 {
 174                 compatible = "pci14c3,7603";
 175                 reg = <0x0000 0 0 0 0>;
 176                 mediatek,mtd-eeprom = <&factory 0x0000>;
 177                 ieee80211-freq-limit = <2400000 2500000>;
 178         };
 179 };
 180
 181 &pcie1 {
 182         wifi@0,0 {
 183                 compatible = "pci14c3,7662";
 184                 reg = <0x0000 0 0 0 0>;
 185                 mediatek,mtd-eeprom = <&factory 0x8000>;
 186                 ieee80211-freq-limit = <5000000 6000000>;
 187         };
 188 };
 189
 190 &ethernet {
 191         mtd-mac-address = <&factory 0xe000>;
 192         mediatek,portmap = "lwlll";
 193 };
 194
 195 &pinctrl {
 196         state_default: pinctrl0 {
 197                 gpio {
 198                         ralink,group = "jtag", "uart2", "uart3", "wdt";
 199                         ralink,function = "gpio";
 200                 };
 201         };
 202 };