target/linux/ramips/dts/HLKRM04.dts

   1 /dts-v1/;
   2
   3 /include/ "rt5350.dtsi"
   4
   5 / {
   6         compatible = "HLKRM04", "ralink,rt5350-soc";
   7         model = "HILINK HLK-RM04";
   8
   9         memory@0 {
  10                 device_type = "memory";
  11                 reg = <0x0 0x1000000>;
  12         };
  13
  14         chosen {
  15                 bootargs = "console=ttyS1,57600";
  16         };
  17
  18         palmbus@10000000 {
  19                 uart@500 {
  20                         status = "okay";
  21                 };
  22
  23                 spi@b00 {
  24                         status = "okay";
  25
  26                         m25p80@0 {
  27                                 #address-cells = <1>;
  28                                 #size-cells = <1>;
  29                                 compatible = "jedec,spi-nor";
  30                                 reg = <0 0>;
  31                                 linux,modalias = "m25p80", "s25fl064k";
  32                                 spi-max-frequency = <10000000>;
  33
  34                                 partition@0 {
  35                                         label = "u-boot";
  36                                         reg = <0x0 0x30000>;
  37                                         read-only;
  38                                 };
  39
  40                                 partition@30000 {
  41                                         label = "u-boot-env";
  42                                         reg = <0x30000 0x10000>;
  43                                         read-only;
  44                                 };
  45
  46                                 factory: partition@40000 {
  47                                         label = "factory";
  48                                         reg = <0x40000 0x10000>;
  49                                         read-only;
  50                                 };
  51
  52                                 partition@50000 {
  53                                         label = "firmware";
  54                                         reg = <0x50000 0x3b0000>;
  55                                 };
  56                         };
  57                 };
  58         };
  59
  60         pinctrl {
  61                 state_default: pinctrl0 {
  62                         gpio {
  63                                 ralink,group = "i2c", "jtag";
  64                                 ralink,function = "gpio";
  65                         };
  66                 };
  67         };
  68
  69         ethernet@10100000 {
  70                 mtd-mac-address = <&factory 0x4>;
  71         };
  72
  73         wmac@10180000 {
  74                 ralink,mtd-eeprom = <&factory 0>;
  75         };
  76
  77         ehci@101c0000 {
  78                 status = "okay";
  79         };
  80
  81         ohci@101c1000 {
  82                 status = "okay";
  83         };
  84
  85         gpio-export {
  86                 compatible = "gpio-export";
  87                 #size-cells = <0>;
  88
  89                 /* I2C */
  90                 gpio1 {
  91                         /* I2C_I2C_SD */
  92                         gpio-export,name = "hlk-rm04:gpio0";
  93                         gpio-export,direction_may_change = <1>;
  94                         gpios = <&gpio0 1 0>;
  95                 };
  96                 gpio2 {
  97                         /* I2C_I2C_SCLK */
  98                         gpio-export,name = "hlk-rm04:gpio1";
  99                         gpio-export,direction_may_change = <1>;
 100                         gpios = <&gpio0 2 0>;
 101                 };
 102         };
 103
 104         gpio-keys-polled {
 105                 compatible = "gpio-keys-polled";
 106                 #address-cells = <1>;
 107                 #size-cells = <0>;
 108                 poll-interval = <20>;
 109                 reset {
 110                         label = "reset";
 111                         gpios = <&gpio0 0 1>;
 112                         linux,code = <0x198>;
 113                 };
 114                 wps {
 115                         label = "wps";
 116                         gpios = <&gpio0 14 1>;
 117                         linux,code = <0x211>;
 118                 };
 119         };
 120 };