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                 spi-max-frequency = <10000000>;
  70
  71                 partition@0 {
  72                         label = "u-boot";
  73                         reg = <0x0 0x30000>;
  74                         read-only;
  75                 };
  76
  77                 partition@30000 {
  78                         label = "u-boot-env";
  79                         reg = <0x30000 0x10000>;
  80                         read-only;
  81                 };
  82
  83                 factory: partition@40000 {
  84                         label = "factory";
  85                         reg = <0x40000 0x10000>;
  86                         read-only;
  87                 };
  88
  89                 partition@50000 {
  90                         label = "firmware";
  91                         reg = <0x50000 0x3b0000>;
  92                 };
  93         };
  94 };
  95
  96 &pinctrl {
  97         state_default: pinctrl0 {
  98                 gpio {
  99                         ralink,group = "i2c", "jtag";
 100                         ralink,function = "gpio";
 101                 };
 102
 103                 uartf_gpio {
 104                         ralink,group = "uartf";
 105                         ralink,function = "gpio uartf";
 106                 };
 107         };
 108 };
 109
 110 &ethernet {
 111         mtd-mac-address = <&factory 0x4>;
 112 };
 113
 114 &wmac {
 115         ralink,mtd-eeprom = <&factory 0>;
 116 };
 117
 118 &ehci {
 119         status = "okay";
 120 };
 121
 122 &ohci {
 123         status = "okay";
 124 };