target/linux/ramips/dts/UBNT-ERX.dts

   1 #include <dt-bindings/input/input.h>
   2
   3 /dts-v1/;
   4
   5 #include "mt7621.dtsi"
   6
   7 / {
   8         compatible = "mediatek,mt7621-eval-board", "mediatek,mt7621-soc";
   9         model = "UBNT-ERX";
  10
  11         memory@0 {
  12                 device_type = "memory";
  13                 reg = <0x0 0x10000000>;
  14         };
  15
  16         chosen {
  17                 bootargs = "console=ttyS0,57600";
  18         };
  19
  20         palmbus@1E000000 {
  21                 spi@b00 {
  22                         /* This board has 2Mb spi flash soldered in and visible
  23                            from manufacturer's firmware.
  24                            But this SoC shares spi and nand pins,
  25                            and current driver does't handle this sharing well */
  26                         status = "disabled";
  27                         m25p80@0 {
  28                                 #address-cells = <1>;
  29                                 #size-cells = <1>;
  30                                 compatible = "jedec,spi-nor";
  31                                 reg = <1>;
  32                                 linux,modalias = "m25p80";
  33                                 spi-max-frequency = <10000000>;
  34
  35                                 partition@0 {
  36                                         label = "spi";
  37                                         reg = <0x0 0x200000>;
  38                                         read-only;
  39                                 };
  40                         };
  41                 };
  42         };
  43
  44         nand@1e003000 {
  45                 compatible = "mtk,mt7621-nand";
  46                 bank-width = <2>;
  47                 reg = <0x1e003000 0x800
  48                        0x1e003800 0x800>;
  49                 #address-cells = <1>;
  50                 #size-cells = <1>;
  51
  52                 partition@0 {
  53                         label = "u-boot";
  54                         reg = <0x0 0x80000>;
  55                         read-only;
  56                 };
  57
  58                 partition@80000 {
  59                         label = "u-boot-env";
  60                         reg = <0x80000 0x60000>;
  61                         read-only;
  62                 };
  63
  64                 factory: partition@e0000 {
  65                         label = "factory";
  66                         reg = <0xe0000 0x60000>;
  67                 };
  68
  69                 partition@140000 {
  70                         label = "kernel1";
  71                         reg = <0x140000 0x300000>;
  72                 };
  73
  74                 partition@440000 {
  75                         label = "kernel2";
  76                         reg = <0x440000 0x300000>;
  77                 };
  78
  79                 partition@740000 {
  80                         label = "ubi";
  81                         reg = <0x740000 0xf7c0000>;
  82                 };
  83
  84         };
  85
  86         ethernet@1e100000 {
  87                 mtd-mac-address = <&factory 0x22>;
  88         };
  89
  90         pinctrl {
  91                 state_default: pinctrl0 {
  92                         gpio {
  93                                 ralink,group = "uart2", "uart3", "i2c", "pcie", "rgmii2", "jtag";
  94                                 ralink,function = "gpio";
  95                         };
  96                 };
  97         };
  98
  99         sdhci@1E130000 {
 100                 status = "disabled";
 101         };
 102
 103         pcie@1e140000 {
 104                 status = "disabled";
 105         };
 106
 107         gpio-keys-polled {
 108                 compatible = "gpio-keys-polled";
 109                 #address-cells = <1>;
 110                 #size-cells = <0>;
 111                 poll-interval = <20>;
 112
 113                 reset {
 114                         label = "reset";
 115                         gpios = <&gpio0 12 1>;
 116                         linux,code = <KEY_RESTART>;
 117                 };
 118         };
 119 };