target/linux/ramips/dts/HLKRM04.dts

   1 /dts-v1/;
   2
   3 #include "rt5350.dtsi"
   4
   5 #include <dt-bindings/input/input.h>
   6
   7 / {
   8         compatible = "HLKRM04", "ralink,rt5350-soc";
   9         model = "HILINK HLK-RM04";
  10
  11         memory@0 {
  12                 device_type = "memory";
  13                 reg = <0x0 0x1000000>;
  14         };
  15
  16         chosen {
  17                 bootargs = "console=ttyS1,57600";
  18         };
  19
  20         gpio-export {
  21                 compatible = "gpio-export";
  22                 #size-cells = <0>;
  23
  24                 /* I2C */
  25                 gpio1 {
  26                         /* I2C_I2C_SD */
  27                         gpio-export,name = "hlk-rm04:gpio0";
  28                         gpio-export,direction_may_change = <1>;
  29                         gpios = <&gpio0 1 0>;
  30                 };
  31                 gpio2 {
  32                         /* I2C_I2C_SCLK */
  33                         gpio-export,name = "hlk-rm04:gpio1";
  34                         gpio-export,direction_may_change = <1>;
  35                         gpios = <&gpio0 2 0>;
  36                 };
  37         };
  38
  39         gpio-keys-polled {
  40                 compatible = "gpio-keys-polled";
  41                 #address-cells = <1>;
  42                 #size-cells = <0>;
  43                 poll-interval = <20>;
  44                 reset {
  45                         label = "reset";
  46                         gpios = <&gpio0 0 1>;
  47                         linux,code = <KEY_RESTART>;
  48                 };
  49                 wps {
  50                         label = "wps";
  51                         gpios = <&gpio0 14 1>;
  52                         linux,code = <KEY_WPS_BUTTON>;
  53                 };
  54         };
  55 };
  56
  57 &uart {
  58         status = "okay";
  59 };
  60
  61 &spi0 {
  62         status = "okay";
  63
  64         m25p80@0 {
  65                 #address-cells = <1>;
  66                 #size-cells = <1>;
  67                 compatible = "jedec,spi-nor";
  68                 reg = <0>;
  69                 linux,modalias = "m25p80", "s25fl064k";
  70                 spi-max-frequency = <10000000>;
  71
  72                 partition@0 {
  73                         label = "u-boot";
  74                         reg = <0x0 0x30000>;
  75                         read-only;
  76                 };
  77
  78                 partition@30000 {
  79                         label = "u-boot-env";
  80                         reg = <0x30000 0x10000>;
  81                         read-only;
  82                 };
  83
  84                 factory: partition@40000 {
  85                         label = "factory";
  86                         reg = <0x40000 0x10000>;
  87                         read-only;
  88                 };
  89
  90                 partition@50000 {
  91                         label = "firmware";
  92                         reg = <0x50000 0x3b0000>;
  93                 };
  94         };
  95 };
  96
  97 &pinctrl {
  98         state_default: pinctrl0 {
  99                 gpio {
 100                         ralink,group = "i2c", "jtag";
 101                         ralink,function = "gpio";
 102                 };
 103
 104                 uartf_gpio {
 105                         ralink,group = "uartf";
 106                         ralink,function = "gpio uartf";
 107                 };
 108         };
 109 };
 110
 111 &ethernet {
 112         mtd-mac-address = <&factory 0x4>;
 113 };
 114
 115 &wmac {
 116         ralink,mtd-eeprom = <&factory 0>;
 117 };
 118
 119 &ehci {
 120         status = "okay";
 121 };
 122
 123 &ohci {
 124         status = "okay";
 125 };