Initial import

boards/seeed/seeed_wio_tracker/Kconfig.defconfig

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+if BOARD_SEEED_WIO_TRACKER
+
+config BOARD
+	default "seeed_wio_tracker"
+
+endif # BOARD_SEEED_WIO_TRACKER

boards/seeed/seeed_wio_tracker/Kconfig.seeed_wio_tracker

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+config BOARD_SEEED_WIO_TRACKER
+	select SOC_NRF52840_QIAA

boards/seeed/seeed_wio_tracker/board.cmake

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+# Seeed Wio Tracker 1110 — board.cmake
+# Uses nrfjprog or pyocd for flashing via SWD.
+board_runner_args(nrfjprog "--nrf-family=NRF52")
+board_runner_args(pyocd "--target=nrf52840")
+include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/pyocd.board.cmake)

boards/seeed/seeed_wio_tracker/board.yml

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+board:
+  name: seeed_wio_tracker
+  full_name: "Seeed Wio Tracker 1110"
+  vendor: seeed
+  url: https://wiki.seeedstudio.com/wio_tracker_1110_intro/
+  socs:
+    - name: nrf52840

boards/seeed/seeed_wio_tracker/seeed_wio_tracker-pinctrl.dtsi

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+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Seeed Wio Tracker 1110 — pin control definitions
+ * NOTE: GPIO numbers are placeholders. Verify from schematic.
+ */
+
+#include <nordic/nrf52840.dtsi>
+#include <dt-bindings/pinctrl/nrf-pinctrl.h>
+
+&pinctrl {
+	uart0_default: uart0_default {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 25)>;
+		};
+		group2 {
+			psels     = <NRF_PSEL(UART_RX, 0, 24)>;
+			bias-pull-up;
+		};
+	};
+
+	uart0_sleep: uart0_sleep {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 25)>,
+				<NRF_PSEL(UART_RX, 0, 24)>;
+			low-power-enable;
+		};
+	};
+
+	/* SPI1 for LR1110 — verify pins from Wio Tracker 1110 schematic */
+	spi1_default: spi1_default {
+		group1 {
+			psels = <NRF_PSEL(SPIM_SCK,  0, 21)>,
+				<NRF_PSEL(SPIM_MOSI, 0, 22)>,
+				<NRF_PSEL(SPIM_MISO, 0, 23)>;
+		};
+	};
+
+	spi1_sleep: spi1_sleep {
+		group1 {
+			psels = <NRF_PSEL(SPIM_SCK,  0, 21)>,
+				<NRF_PSEL(SPIM_MOSI, 0, 22)>,
+				<NRF_PSEL(SPIM_MISO, 0, 23)>;
+			low-power-enable;
+		};
+	};
+};

boards/seeed/seeed_wio_tracker/seeed_wio_tracker.dts

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+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Seeed Wio Tracker 1110 — Device Tree Source
+ * SoC: nRF52840
+ * Radio: Semtech LR1110 (LoRa + GNSS multi-protocol transceiver)
+ *
+ * NOTE: GPIO pin numbers are placeholders. Verify against the
+ * Wio Tracker 1110 schematic before using with real hardware.
+ * The LR1110 SPI interface differs from SX126x: it uses 2-byte
+ * opcodes and requires the BUSY pin to be checked between transactions.
+ */
+
+/dts-v1/;
+#include <nordic/nrf52840_qiaa.dtsi>
+#include "seeed_wio_tracker-pinctrl.dtsi"
+
+/ {
+	model = "Seeed Wio Tracker 1110";
+	compatible = "seeed,wio-tracker-1110";
+
+	chosen {
+		zephyr,sram           = &sram0;
+		zephyr,flash          = &flash0;
+		zephyr,code-partition = &slot0_partition;
+	};
+
+	aliases {
+		lora0 = &lora;
+		led0  = &led_green;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		led_green: led_0 {
+			/* TODO: verify LED GPIO from Wio Tracker 1110 schematic */
+			gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
+			label = "Green LED";
+		};
+	};
+};
+
+&uicr {
+	gpio-as-nreset;
+};
+
+&gpiote {
+	status = "okay";
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&uart0 {
+	compatible = "nordic,nrf-uarte";
+	status = "okay";
+	current-speed = <115200>;
+	pinctrl-0     = <&uart0_default>;
+	pinctrl-names = "default";
+};
+
+/*
+ * LR1110 on SPI1
+ * Pin assignments are placeholders — must be verified from schematic.
+ * The LR1110 BUSY and EVENT (DIO9) pins are both required by the driver.
+ */
+&spi1 {
+	compatible    = "nordic,nrf-spim";
+	status        = "okay";
+	pinctrl-0     = <&spi1_default>;
+	pinctrl-names = "default";
+	cs-gpios      = <&gpio0 24 GPIO_ACTIVE_LOW>;
+
+	lora: lora@0 {
+		compatible        = "semtech,lr11xx";
+		reg               = <0>;
+		spi-max-frequency = <4000000>;
+		reset-gpios       = <&gpio0 25 GPIO_ACTIVE_LOW>;
+		busy-gpios        = <&gpio0 26 GPIO_ACTIVE_HIGH>;
+		event-gpios       = <&gpio0 27 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+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>;
+		};
+	};
+};

boards/seeed/seeed_wio_tracker/seeed_wio_tracker_defconfig

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+CONFIG_SOC_NRF52840_QIAA=y
+CONFIG_BOARD_SEEED_WIO_TRACKER=y
+CONFIG_FLASH=y
+CONFIG_FLASH_MAP=y
+CONFIG_GPIO=y
+CONFIG_SPI=y
+CONFIG_USB_DEVICE_STACK=y
+CONFIG_NRFX_POWER=y