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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree file for Teltonika RUT1xx
   4  */
   5
   6 /dts-v1/;
   7
   8 #include "gemini.dtsi"
   9 #include <dt-bindings/input/input.h>
  10
  11 / {
  12         model = "Teltonika RUT1xx";
  13         compatible = "teltonika,rut1xx", "cortina,gemini";
  14         #address-cells = <1>;
  15         #size-cells = <1>;
  16
  17         memory { /* 128 MB */
  18                 device_type = "memory";
  19                 reg = <0x00000000 0x8000000>;
  20         };
  21
  22         chosen {
  23                 bootargs = "console=ttyS0,115200n8";
  24                 stdout-path = &uart0;
  25         };
  26
  27         gpio_keys {
  28                 compatible = "gpio-keys";
  29                 #address-cells = <1>;
  30                 #size-cells = <0>;
  31
  32                 button@28 {
  33                         debounce_interval = <50>;
  34                         wakeup-source;
  35                         linux,code = <KEY_SETUP>;
  36                         label = "Reset to defaults";
  37                         /* Conflict with TVC */
  38                         gpios = <&gpio1 28 GPIO_ACTIVE_LOW>;
  39                 };
  40         };
  41
  42         leds {
  43                 compatible = "gpio-leds";
  44                 led@7 {
  45                         /* FIXME: add the LED color */
  46                         label = "rut1xx::gsm";
  47                         /* Conflict with ICE */
  48                         gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
  49                         default-state = "on";
  50                 };
  51                 led@31 {
  52                         /* FIXME: add the LED color */
  53                         label = "rut1xx::power";
  54                         /* Conflict with NAND CE0 */
  55                         gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
  56                         default-state = "off";
  57                         linux,default-trigger = "heartbeat";
  58                 };
  59         };
  60
  61         soc {
  62                 flash@30000000 {
  63                         status = "okay";
  64                         /* 8MB of flash */
  65                         reg = <0x30000000 0x00800000>;
  66                         /* TODO: add flash partitions here */
  67                 };
  68
  69                 syscon: syscon@40000000 {
  70                         pinctrl {
  71                                 /*
  72                                  * gpio0bgrp cover line 7 used by GSM LED
  73                                  * gpio0fgrp cover line 17 used by power LED
  74                                  */
  75                                 gpio0_default_pins: pinctrl-gpio0 {
  76                                         mux {
  77                                                 function = "gpio0";
  78                                                 groups = "gpio0bgrp",
  79                                                 "gpio0fgrp";
  80                                         };
  81                                 };
  82                                 /*
  83                                  * gpio1dgrp cover line 28-31 otherwise used
  84                                  * by TVC.
  85                                  */
  86                                 gpio1_default_pins: pinctrl-gpio1 {
  87                                         mux {
  88                                                 function = "gpio1";
  89                                                 groups = "gpio1dgrp";
  90                                         };
  91                                 };
  92                         };
  93                 };
  94
  95                 gpio0: gpio@4d000000 {
  96                         pinctrl-names = "default";
  97                         pinctrl-0 = <&gpio0_default_pins>;
  98                 };
  99
 100                 gpio1: gpio@4e000000 {
 101                         pinctrl-names = "default";
 102                         pinctrl-0 = <&gpio1_default_pins>;
 103                 };
 104         };
 105 };