target/linux/ramips/dts/HLKRM04.dts

   1 /dts-v1/;
   2
   3 #include "rt5350.dtsi"
   4
   5 #include <dt-bindings/gpio/gpio.h>
   6 #include <dt-bindings/input/input.h>
   7
   8 / {
   9         compatible = "hilink,hlk-rm04", "ralink,rt5350-soc";
  10         model = "HILINK HLK-RM04";
  11
  12         memory@0 {
  13                 device_type = "memory";
  14                 reg = <0x0 0x1000000>;
  15         };
  16
  17         chosen {
  18                 bootargs = "console=ttyS1,57600";
  19         };
  20
  21         gpio-export {
  22                 compatible = "gpio-export";
  23                 #size-cells = <0>;
  24
  25                 /* I2C */
  26                 gpio1 {
  27                         /* I2C_I2C_SD */
  28                         gpio-export,name = "hlk-rm04:gpio0";
  29                         gpio-export,direction_may_change = <1>;
  30                         gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
  31                 };
  32                 gpio2 {
  33                         /* I2C_I2C_SCLK */
  34                         gpio-export,name = "hlk-rm04:gpio1";
  35                         gpio-export,direction_may_change = <1>;
  36                         gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
  37                 };
  38         };
  39
  40         gpio-keys-polled {
  41                 compatible = "gpio-keys-polled";
  42                 #address-cells = <1>;
  43                 #size-cells = <0>;
  44                 poll-interval = <20>;
  45                 reset {
  46                         label = "reset";
  47                         gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
  48                         linux,code = <KEY_RESTART>;
  49                 };
  50                 wps {
  51                         label = "wps";
  52                         gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
  53                         linux,code = <KEY_WPS_BUTTON>;
  54                 };
  55         };
  56 };
  57
  58 &uart {
  59         status = "okay";
  60 };
  61
  62 &spi0 {
  63         status = "okay";
  64
  65         m25p80@0 {
  66                 #address-cells = <1>;
  67                 #size-cells = <1>;
  68                 compatible = "jedec,spi-nor";
  69                 reg = <0>;
  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 };