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@0 { /* 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
  30                 button-setup {
  31                         debounce-interval = <50>;
  32                         wakeup-source;
  33                         linux,code = <KEY_SETUP>;
  34                         label = "Reset to defaults";
  35                         /* Conflict with TVC */
  36                         gpios = <&gpio1 28 GPIO_ACTIVE_LOW>;
  37                 };
  38         };
  39
  40         leds {
  41                 compatible = "gpio-leds";
  42                 led-gsm {
  43                         /* FIXME: add the LED color */
  44                         label = "rut1xx::gsm";
  45                         /* Conflict with ICE */
  46                         gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
  47                         default-state = "on";
  48                 };
  49                 led-power {
  50                         /* FIXME: add the LED color */
  51                         label = "rut1xx::power";
  52                         /* Conflict with NAND CE0 */
  53                         gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
  54                         default-state = "off";
  55                         linux,default-trigger = "heartbeat";
  56                 };
  57         };
  58
  59         mdio0: mdio {
  60                 compatible = "virtual,mdio-gpio";
  61                 gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
  62                         <&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
  63                 #address-cells = <1>;
  64                 #size-cells = <0>;
  65
  66                 phy0: ethernet-phy@1 {
  67                         reg = <1>;
  68                         device_type = "ethernet-phy";
  69                 };
  70         };
  71
  72         soc {
  73                 flash@30000000 {
  74                         status = "okay";
  75                         /* 8MB of flash */
  76                         reg = <0x30000000 0x00800000>;
  77                         /* TODO: add flash partitions here */
  78                 };
  79
  80                 syscon: syscon@40000000 {
  81                         pinctrl {
  82                                 /*
  83                                  * gpio0bgrp cover line 7 used by GSM LED
  84                                  * gpio0fgrp cover line 17 used by power LED
  85                                  */
  86                                 gpio0_default_pins: pinctrl-gpio0 {
  87                                         mux {
  88                                                 function = "gpio0";
  89                                                 groups = "gpio0bgrp",
  90                                                 "gpio0fgrp";
  91                                         };
  92                                 };
  93                                 /*
  94                                  * gpio1dgrp cover line 28-31 otherwise used
  95                                  * by TVC.
  96                                  */
  97                                 gpio1_default_pins: pinctrl-gpio1 {
  98                                         mux {
  99                                                 function = "gpio1";
 100                                                 groups = "gpio1dgrp";
 101                                         };
 102                                 };
 103                         };
 104                 };
 105
 106                 gpio0: gpio@4d000000 {
 107                         pinctrl-names = "default";
 108                         pinctrl-0 = <&gpio0_default_pins>;
 109                 };
 110
 111                 gpio1: gpio@4e000000 {
 112                         pinctrl-names = "default";
 113                         pinctrl-0 = <&gpio1_default_pins>;
 114                 };
 115
 116                 ethernet@60000000 {
 117                         status = "okay";
 118
 119                         ethernet-port@0 {
 120                                 phy-mode = "rgmii";
 121                                 phy-handle = <&phy0>;
 122                         };
 123                         ethernet-port@1 {
 124                                 /* Not used in this platform */
 125                         };
 126                 };
 127         };
 128 };