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

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree file for Teltonika RUT1xx
 */

/dts-v1/;

#include "gemini.dtsi"
#include <dt-bindings/input/input.h>

/ {
	model = "Teltonika RUT1xx";
	compatible = "teltonika,rut1xx", "cortina,gemini";
	#address-cells = <1>;
	#size-cells = <1>;

	memory { /* 128 MB */
		device_type = "memory";
		reg = <0x00000000 0x8000000>;
	};

	chosen {
		bootargs = "console=ttyS0,115200n8";
		stdout-path = &uart0;
	};

	gpio_keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;

		button@28 {
			debounce_interval = <50>;
			wakeup-source;
			linux,code = <KEY_SETUP>;
			label = "Reset to defaults";
			/* Conflict with TVC */
			gpios = <&gpio1 28 GPIO_ACTIVE_LOW>;
		};
	};

	leds {
		compatible = "gpio-leds";
		led@7 {
			/* FIXME: add the LED color */
			label = "rut1xx::gsm";
			/* Conflict with ICE */
			gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};
		led@31 {
			/* FIXME: add the LED color */
			label = "rut1xx::power";
			/* Conflict with NAND CE0 */
			gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
			default-state = "off";
			linux,default-trigger = "heartbeat";
		};
	};

	soc {
		flash@30000000 {
			status = "okay";
			/* 8MB of flash */
			reg = <0x30000000 0x00800000>;
			/* TODO: add flash partitions here */
		};

		syscon: syscon@40000000 {
			pinctrl {
				/*
				 * gpio0bgrp cover line 7 used by GSM LED
				 * gpio0fgrp cover line 17 used by power LED
				 */
				gpio0_default_pins: pinctrl-gpio0 {
					mux {
						function = "gpio0";
						groups = "gpio0bgrp",
						"gpio0fgrp";
					};
				};
				/*
				 * gpio1dgrp cover line 28-31 otherwise used
				 * by TVC.
				 */
				gpio1_default_pins: pinctrl-gpio1 {
					mux {
						function = "gpio1";
						groups = "gpio1dgrp";
					};
				};
			};
		};

		gpio0: gpio@4d000000 {
			pinctrl-names = "default";
			pinctrl-0 = <&gpio0_default_pins>;
		};

		gpio1: gpio@4e000000 {
			pinctrl-names = "default";
			pinctrl-0 = <&gpio1_default_pins>;
		};
	};
};