target/linux/ramips/dts/rt5350_hilink_hlk-rm04.dts

   1 #include "rt5350.dtsi"
   2
   3 #include <dt-bindings/gpio/gpio.h>
   4 #include <dt-bindings/input/input.h>
   5
   6 / {
   7         compatible = "hilink,hlk-rm04", "ralink,rt5350-soc";
   8         model = "HILINK HLK-RM04";
   9
  10         chosen {
  11                 bootargs = "console=ttyS1,57600";
  12         };
  13
  14         gpio-export {
  15                 compatible = "gpio-export";
  16                 #size-cells = <0>;
  17
  18                 /* I2C */
  19                 gpio1 {
  20                         /* I2C_I2C_SD */
  21                         gpio-export,name = "hlk-rm04:gpio0";
  22                         gpio-export,direction_may_change = <1>;
  23                         gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
  24                 };
  25                 gpio2 {
  26                         /* I2C_I2C_SCLK */
  27                         gpio-export,name = "hlk-rm04:gpio1";
  28                         gpio-export,direction_may_change = <1>;
  29                         gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
  30                 };
  31         };
  32
  33         keys {
  34                 compatible = "gpio-keys-polled";
  35                 poll-interval = <20>;
  36                 reset {
  37                         label = "reset";
  38                         gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
  39                         linux,code = <KEY_RESTART>;
  40                 };
  41                 wps {
  42                         label = "wps";
  43                         gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
  44                         linux,code = <KEY_WPS_BUTTON>;
  45                 };
  46         };
  47 };
  48
  49 &uart {
  50         status = "okay";
  51 };
  52
  53 &spi0 {
  54         status = "okay";
  55
  56         flash@0 {
  57                 compatible = "jedec,spi-nor";
  58                 reg = <0>;
  59                 spi-max-frequency = <10000000>;
  60
  61                 partitions {
  62                         compatible = "fixed-partitions";
  63                         #address-cells = <1>;
  64                         #size-cells = <1>;
  65
  66                         partition@0 {
  67                                 label = "u-boot";
  68                                 reg = <0x0 0x30000>;
  69                                 read-only;
  70                         };
  71
  72                         partition@30000 {
  73                                 label = "u-boot-env";
  74                                 reg = <0x30000 0x10000>;
  75                                 read-only;
  76                         };
  77
  78                         factory: partition@40000 {
  79                                 compatible = "nvmem-cells";
  80                                 label = "factory";
  81                                 reg = <0x40000 0x10000>;
  82                                 #address-cells = <1>;
  83                                 #size-cells = <1>;
  84                                 read-only;
  85
  86                                 eeprom_factory_0: eeprom@0 {
  87                                         reg = <0x0 0x200>;
  88                                 };
  89
  90                                 macaddr_factory_4: macaddr@4 {
  91                                         reg = <0x4 0x6>;
  92                                 };
  93                         };
  94
  95                         partition@50000 {
  96                                 compatible = "denx,uimage";
  97                                 label = "firmware";
  98                                 reg = <0x50000 0x3b0000>;
  99                         };
 100                 };
 101         };
 102 };
 103
 104 &state_default {
 105         gpio {
 106                 groups = "i2c", "jtag";
 107                 function = "gpio";
 108         };
 109
 110         uartf_gpio {
 111                 groups = "uartf";
 112                 function = "gpio uartf";
 113         };
 114 };
 115
 116 &ethernet {
 117         nvmem-cells = <&macaddr_factory_4>;
 118         nvmem-cell-names = "mac-address";
 119 };
 120
 121 &wmac {
 122         nvmem-cells = <&eeprom_factory_0>;
 123         nvmem-cell-names = "eeprom";
 124 };