arch/arm/boot/dts/gemini-rut1xx.dts

   1 /*
   2  * Device Tree file for Teltonika RUT1xx
   3  */
   4
   5 /dts-v1/;
   6
   7 #include "gemini.dtsi"
   8 #include <dt-bindings/input/input.h>
   9
  10 / {
  11         model = "Teltonika RUT1xx";
  12         compatible = "teltonika,rut1xx", "cortina,gemini";
  13         #address-cells = <1>;
  14         #size-cells = <1>;
  15
  16         memory { /* 128 MB */
  17                 device_type = "memory";
  18                 reg = <0x00000000 0x8000000>;
  19         };
  20
  21         chosen {
  22                 bootargs = "console=ttyS0,115200n8";
  23                 stdout-path = &uart0;
  24         };
  25
  26         gpio_keys {
  27                 compatible = "gpio-keys";
  28                 #address-cells = <1>;
  29                 #size-cells = <0>;
  30
  31                 button@28 {
  32                         debounce_interval = <50>;
  33                         wakeup-source;
  34                         linux,code = <KEY_SETUP>;
  35                         label = "Reset to defaults";
  36                         /* Conflict with TVC */
  37                         gpios = <&gpio1 28 GPIO_ACTIVE_LOW>;
  38                 };
  39         };
  40
  41         leds {
  42                 compatible = "gpio-leds";
  43                 led@7 {
  44                         /* FIXME: add the LED color */
  45                         label = "rut1xx::gsm";
  46                         /* Conflict with ICE */
  47                         gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
  48                         default-state = "on";
  49                 };
  50                 led@31 {
  51                         /* FIXME: add the LED color */
  52                         label = "rut1xx::power";
  53                         /* Conflict with NAND CE0 */
  54                         gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
  55                         default-state = "off";
  56                         linux,default-trigger = "heartbeat";
  57                 };
  58         };
  59
  60         soc {
  61                 flash@30000000 {
  62                         status = "okay";
  63                         /* 8MB of flash */
  64                         reg = <0x30000000 0x00800000>;
  65                         /* TODO: add flash partitions here */
  66                 };
  67
  68                 syscon: syscon@40000000 {
  69                         pinctrl {
  70                                 /*
  71                                  * gpio0bgrp cover line 7 used by GSM LED
  72                                  * gpio0fgrp cover line 17 used by power LED
  73                                  */
  74                                 gpio0_default_pins: pinctrl-gpio0 {
  75                                         mux {
  76                                                 function = "gpio0";
  77                                                 groups = "gpio0bgrp",
  78                                                 "gpio0fgrp";
  79                                         };
  80                                 };
  81                                 /*
  82                                  * gpio1dgrp cover line 28-31 otherwise used
  83                                  * by TVC.
  84                                  */
  85                                 gpio1_default_pins: pinctrl-gpio1 {
  86                                         mux {
  87                                                 function = "gpio1";
  88                                                 groups = "gpio1dgrp";
  89                                         };
  90                                 };
  91                         };
  92                 };
  93
  94                 gpio0: gpio@4d000000 {
  95                         pinctrl-names = "default";
  96                         pinctrl-0 = <&gpio0_default_pins>;
  97                 };
  98
  99                 gpio1: gpio@4e000000 {
 100                         pinctrl-names = "default";
 101                         pinctrl-0 = <&gpio1_default_pins>;
 102                 };
 103         };
 104 };