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                 poll-interval = <20>;
  43                 reset {
  44                         label = "reset";
  45                         gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
  46                         linux,code = <KEY_RESTART>;
  47                 };
  48                 wps {
  49                         label = "wps";
  50                         gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
  51                         linux,code = <KEY_WPS_BUTTON>;
  52                 };
  53         };
  54 };
  55
  56 &uart {
  57         status = "okay";
  58 };
  59
  60 &spi0 {
  61         status = "okay";
  62
  63         m25p80@0 {
  64                 #address-cells = <1>;
  65                 #size-cells = <1>;
  66                 compatible = "jedec,spi-nor";
  67                 reg = <0>;
  68                 spi-max-frequency = <10000000>;
  69
  70                 partition@0 {
  71                         label = "u-boot";
  72                         reg = <0x0 0x30000>;
  73                         read-only;
  74                 };
  75
  76                 partition@30000 {
  77                         label = "u-boot-env";
  78                         reg = <0x30000 0x10000>;
  79                         read-only;
  80                 };
  81
  82                 factory: partition@40000 {
  83                         label = "factory";
  84                         reg = <0x40000 0x10000>;
  85                         read-only;
  86                 };
  87
  88                 partition@50000 {
  89                         label = "firmware";
  90                         reg = <0x50000 0x3b0000>;
  91                 };
  92         };
  93 };
  94
  95 &pinctrl {
  96         state_default: pinctrl0 {
  97                 gpio {
  98                         ralink,group = "i2c", "jtag";
  99                         ralink,function = "gpio";
 100                 };
 101
 102                 uartf_gpio {
 103                         ralink,group = "uartf";
 104                         ralink,function = "gpio uartf";
 105                 };
 106         };
 107 };
 108
 109 &ethernet {
 110         mtd-mac-address = <&factory 0x4>;
 111 };
 112
 113 &wmac {
 114         ralink,mtd-eeprom = <&factory 0>;
 115 };
 116
 117 &ehci {
 118         status = "okay";
 119 };
 120
 121 &ohci {
 122         status = "okay";
 123 };