target/linux/ramips/dts/rt5350_hilink_hlk-rm04.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         chosen {
  13                 bootargs = "console=ttyS1,57600";
  14         };
  15
  16         gpio-export {
  17                 compatible = "gpio-export";
  18                 #size-cells = <0>;
  19
  20                 /* I2C */
  21                 gpio1 {
  22                         /* I2C_I2C_SD */
  23                         gpio-export,name = "hlk-rm04:gpio0";
  24                         gpio-export,direction_may_change = <1>;
  25                         gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
  26                 };
  27                 gpio2 {
  28                         /* I2C_I2C_SCLK */
  29                         gpio-export,name = "hlk-rm04:gpio1";
  30                         gpio-export,direction_may_change = <1>;
  31                         gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
  32                 };
  33         };
  34
  35         keys {
  36                 compatible = "gpio-keys-polled";
  37                 poll-interval = <20>;
  38                 reset {
  39                         label = "reset";
  40                         gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
  41                         linux,code = <KEY_RESTART>;
  42                 };
  43                 wps {
  44                         label = "wps";
  45                         gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
  46                         linux,code = <KEY_WPS_BUTTON>;
  47                 };
  48         };
  49 };
  50
  51 &uart {
  52         status = "okay";
  53 };
  54
  55 &spi0 {
  56         status = "okay";
  57
  58         m25p80@0 {
  59                 compatible = "jedec,spi-nor";
  60                 reg = <0>;
  61                 spi-max-frequency = <10000000>;
  62
  63                 partitions {
  64                         compatible = "fixed-partitions";
  65                         #address-cells = <1>;
  66                         #size-cells = <1>;
  67
  68                         partition@0 {
  69                                 label = "u-boot";
  70                                 reg = <0x0 0x30000>;
  71                                 read-only;
  72                         };
  73
  74                         partition@30000 {
  75                                 label = "u-boot-env";
  76                                 reg = <0x30000 0x10000>;
  77                                 read-only;
  78                         };
  79
  80                         factory: partition@40000 {
  81                                 label = "factory";
  82                                 reg = <0x40000 0x10000>;
  83                                 read-only;
  84                         };
  85
  86                         partition@50000 {
  87                                 compatible = "denx,uimage";
  88                                 label = "firmware";
  89                                 reg = <0x50000 0x3b0000>;
  90                         };
  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 };