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         mdio0: ethernet-phy {
  62                 compatible = "virtual,mdio-gpio";
  63                 gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
  64                         <&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
  65                 #address-cells = <1>;
  66                 #size-cells = <0>;
  67
  68                 phy0: ethernet-phy@1 {
  69                         reg = <1>;
  70                         device_type = "ethernet-phy";
  71                 };
  72         };
  73
  74         soc {
  75                 flash@30000000 {
  76                         status = "okay";
  77                         /* 8MB of flash */
  78                         reg = <0x30000000 0x00800000>;
  79                         /* TODO: add flash partitions here */
  80                 };
  81
  82                 syscon: syscon@40000000 {
  83                         pinctrl {
  84                                 /*
  85                                  * gpio0bgrp cover line 7 used by GSM LED
  86                                  * gpio0fgrp cover line 17 used by power LED
  87                                  */
  88                                 gpio0_default_pins: pinctrl-gpio0 {
  89                                         mux {
  90                                                 function = "gpio0";
  91                                                 groups = "gpio0bgrp",
  92                                                 "gpio0fgrp";
  93                                         };
  94                                 };
  95                                 /*
  96                                  * gpio1dgrp cover line 28-31 otherwise used
  97                                  * by TVC.
  98                                  */
  99                                 gpio1_default_pins: pinctrl-gpio1 {
 100                                         mux {
 101                                                 function = "gpio1";
 102                                                 groups = "gpio1dgrp";
 103                                         };
 104                                 };
 105                         };
 106                 };
 107
 108                 gpio0: gpio@4d000000 {
 109                         pinctrl-names = "default";
 110                         pinctrl-0 = <&gpio0_default_pins>;
 111                 };
 112
 113                 gpio1: gpio@4e000000 {
 114                         pinctrl-names = "default";
 115                         pinctrl-0 = <&gpio1_default_pins>;
 116                 };
 117
 118                 ethernet@60000000 {
 119                         status = "okay";
 120
 121                         ethernet-port@0 {
 122                                 phy-mode = "rgmii";
 123                                 phy-handle = <&phy0>;
 124                         };
 125                         ethernet-port@1 {
 126                                 /* Not used in this platform */
 127                         };
 128                 };
 129         };
 130 };