/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * Heltec Mesh Node T114 — Device Tree Source
 * SoC: nRF52840 QIAAVariant
 * Radio: SX1262
 *
 * NOTE: GPIO pin numbers are placeholders. Verify against the T114
 * schematic/documentation before using with real hardware.
 * The T114 uses the nRF52840 SoC in a similar form factor to the
 * RAK4631, but with different GPIO assignments.
 */

/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include "heltec_t114-pinctrl.dtsi"

/ {
	model = "Heltec Mesh Node T114";
	compatible = "heltec,mesh-node-t114";

	chosen {
		zephyr,sram           = &sram0;
		zephyr,flash          = &flash0;
		zephyr,code-partition = &slot0_partition;
	};

	aliases {
		lora0 = &lora;
		led0  = &led0;
	};

	leds {
		compatible = "gpio-leds";
		led0: led_0 {
			/* TODO: verify LED GPIO from T114 schematic */
			gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
			label = "LED 0";
		};
	};
};

&uicr {
	gpio-as-nreset;
};

&gpiote {
	status = "okay";
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&uart1 {
	compatible = "nordic,nrf-uarte";
	status = "okay";
	current-speed = <115200>;
	pinctrl-0     = <&uart1_default>;
	pinctrl-1     = <&uart1_sleep>;
	pinctrl-names = "default", "sleep";
};

&spi1 {
	compatible    = "nordic,nrf-spim";
	status        = "okay";
	pinctrl-0     = <&spi1_default>;
	pinctrl-names = "default";

	lora: lora@0 {
		compatible        = "semtech,sx1262";
		reg               = <0>;
		spi-max-frequency = <1000000>;
		reset-gpios       = <&gpio0 25 GPIO_ACTIVE_LOW>;
		busy-gpios        = <&gpio0 17 GPIO_ACTIVE_HIGH>;
		dio1-gpios        = <&gpio0 20 GPIO_ACTIVE_HIGH>;
		dio2-tx-enable;
		dio3-tcxo-voltage = <SX126X_DIO3_TCXO_3V3>;
		tcxo-power-startup-delay-ms = <5>;
	};
};

zephyr_udc0: &usbd {
	compatible = "nordic,nrf-usbd";
	status = "okay";
};

&flash0 {
	partitions {
		compatible     = "fixed-partitions";
		#address-cells = <1>;
		#size-cells    = <1>;

		boot_partition: partition@0 {
			label = "mcuboot";
			reg   = <0x00000000 0x0000C000>;
		};
		slot0_partition: partition@c000 {
			label = "image-0";
			reg   = <0x0000C000 0x00067000>;
		};
		slot1_partition: partition@73000 {
			label = "image-1";
			reg   = <0x00073000 0x00067000>;
		};
		storage_partition: partition@da000 {
			label = "storage";
			reg   = <0x000da000 0x00006000>;
		};
	};
};