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                         partition@40000 {
  79                                 label = "factory";
  80                                 reg = <0x40000 0x10000>;
  81                                 read-only;
  82
  83                                 nvmem-layout {
  84                                         compatible = "fixed-layout";
  85                                         #address-cells = <1>;
  86                                         #size-cells = <1>;
  87
  88                                         eeprom_factory_0: eeprom@0 {
  89                                                 reg = <0x0 0x200>;
  90                                         };
  91
  92                                         macaddr_factory_4: macaddr@4 {
  93                                                 reg = <0x4 0x6>;
  94                                         };
  95                                 };
  96                         };
  97
  98                         partition@50000 {
  99                                 compatible = "denx,uimage";
 100                                 label = "firmware";
 101                                 reg = <0x50000 0x3b0000>;
 102                         };
 103                 };
 104         };
 105 };
 106
 107 &state_default {
 108         gpio {
 109                 groups = "i2c", "jtag";
 110                 function = "gpio";
 111         };
 112
 113         uartf_gpio {
 114                 groups = "uartf";
 115                 function = "gpio uartf";
 116         };
 117 };
 118
 119 &ethernet {
 120         nvmem-cells = <&macaddr_factory_4>;
 121         nvmem-cell-names = "mac-address";
 122 };
 123
 124 &wmac {
 125         nvmem-cells = <&eeprom_factory_0>;
 126         nvmem-cell-names = "eeprom";
 127 };