move things around

firmware/boards/bh/mellifera_rev1/Kconfig

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+# Copyright (c) 2021 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+if BOARD_MELLIFERA_REV1
+
+config BOARD_ENABLE_DCDC
+	bool "Enable DCDC mode"
+	select SOC_DCDC_NRF52X
+	default y
+	depends on BOARD_MELLIFERA_REV1
+
+# BT_CTLR depends on BT. When BT is enabled we should default to also
+# enabling the controller.
+config BT_CTLR
+	default y if BT
+
+endif # BOARD_MELLIFERA_REV1

firmware/boards/bh/mellifera_rev1/Kconfig.mellifera_rev1

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+# Copyright (c) 2021 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_MELLIFERA_REV1
+	select SOC_NRF52832_QFAA

firmware/boards/bh/mellifera_rev1/README.md

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+# Custom Plank Board
+
+`custom_plank` board is used to demonstrate how to create custom boards. It is
+in fact a simplified version of the nRF52840-DK board, so the
+`example-application` can be run on that development kit when using
+`custom_plank`.

firmware/boards/bh/mellifera_rev1/board.cmake

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+# Copyright (c) 2021 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+board_runner_args(jlink "--device=nrf52" "--speed=4000")
+board_runner_args(pyocd "--target=nrf52832" "--frequency=4000000")
+
+set(OPENOCD_NRF5_SUBFAMILY "nrf52")
+
+include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/pyocd.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/openocd-nrf5.board.cmake)

firmware/boards/bh/mellifera_rev1/board.yml

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+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+board:
+  name: mellifera_rev1
+  vendor: bh
+  socs:
+    - name: nrf52832

firmware/boards/bh/mellifera_rev1/mellifera_rev1-pinctrl.dtsi

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+/*
+ * Copyright (c) 2022 Nordic Semiconductor ASA
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pinctrl {
+
+	uart0_default: uart0_default {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 5)>,
+				<NRF_PSEL(UART_RX, 0, 11)>;
+		};
+	};
+
+	uart0_sleep: uart0_sleep {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 5)>,
+				<NRF_PSEL(UART_RX, 0, 11)>;
+			low-power-enable;
+		};
+	};
+
+	i2c0_default: i2c0_default {
+		group1 {
+			psels = <NRF_PSEL(TWIM_SDA, 0, 29)>,
+				<NRF_PSEL(TWIM_SCL, 0, 28)>;
+		};
+	};
+
+	i2c0_sleep: i2c0_sleep {
+		group1 {
+			psels = <NRF_PSEL(TWIM_SDA, 0, 29)>,
+				<NRF_PSEL(TWIM_SCL, 0, 28)>;
+			low-power-enable;
+		};
+	};
+
+	spi1_default: spi1_default {
+		group1 {
+			psels = <NRF_PSEL(SPIM_SCK, 0, 16)>,
+				<NRF_PSEL(SPIM_MOSI, 0, 20)>,
+				<NRF_PSEL(SPIM_MISO, 0, 18)>;
+		};
+	};
+
+	spi1_sleep: spi1_sleep {
+		group1 {
+			psels = <NRF_PSEL(SPIM_SCK, 0, 16)>,
+				<NRF_PSEL(SPIM_MOSI, 0, 20)>,
+				<NRF_PSEL(SPIM_MISO, 0, 18)>;
+			low-power-enable;
+		};
+	};
+
+};

firmware/boards/bh/mellifera_rev1/mellifera_rev1.dts

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+/*
+ * Copyright (c) 2021 Nordic Semiconductor ASA
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/dts-v1/;
+#include <nordic/nrf52832_qfaa.dtsi>
+#include "mellifera_rev1-pinctrl.dtsi"
+
+/ {
+	model = "Mellifera rev1";
+	compatible = "bh,mellifera_rev1";
+
+	chosen {
+		zephyr,console = &uart0;
+		zephyr,shell-uart = &uart0;
+		zephyr,uart-mcumgr = &uart0;
+		zephyr,bt-mon-uart = &uart0;
+		zephyr,bt-c2h-uart = &uart0;
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+		zephyr,display = &ssd1306;
+		zephyr,code-partition = &slot0_partition;
+	};
+
+	example_sensor: example-sensor {
+		compatible = "zephyr,example-sensor";
+		input-gpios = <&gpio0 2 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		led0: led_0 {
+			gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
+			label = "Yellow LED 0";
+		};
+		led1: led_1 {
+			gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+			label = "Yellow LED 1";
+		};
+		led2: led_2 {
+			gpios = <&gpio0 23 GPIO_ACTIVE_HIGH>;
+			label = "Yellow LED 2";
+		};
+		led3: led_3 {
+			gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
+			label = "Yellow LED 3";
+		};
+		led_rx: led_rx {
+			gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
+			label = "RX LED";
+		};
+		led_tx: led_tx {
+			gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
+			label = "TX LED";
+		};
+		led_rx_ok: led_rx_ok {
+			gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
+			label = "RX OK LED";
+		};
+		led_sfd: led_sfd {
+			gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
+			label = "SFD LED";
+		};
+	};
+
+	buttons {
+		compatible = "gpio-keys";
+		button0: button_0 {
+			gpios = <&gpio0 2 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "Pushbutton";
+			zephyr,code = <INPUT_KEY_0>;
+		};
+		int_drdy: int_drdy {
+			gpios = <&gpio0 22 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "DRDYM from BMX055 9-DOF";
+			zephyr,code = <INPUT_KEY_0>;
+		};
+		int1: int_1 {
+			gpios = <&gpio0 12 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "Interrupt 1 from BMX055 9-DOF";
+			zephyr,code = <INPUT_KEY_0>;
+		};
+		int2: int_2 {
+			gpios = <&gpio0 14 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "Interrupt 2 from BMX055 9-DOF";
+			zephyr,code = <INPUT_KEY_0>;
+		};
+		int3: int_3 {
+			gpios = <&gpio0 10 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "Interrupt 3 from BMX055 9-DOF";
+			zephyr,code = <INPUT_KEY_0>;
+		};
+		int4: int_4 {
+			gpios = <&gpio0 9 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "Interrupt 4 from BMX055 9-DOF";
+			zephyr,code = <INPUT_KEY_0>;
+		};
+		int5: int_5 {
+			gpios = <&gpio0 30 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "Interrupt 5 from BMX055 9-DOF";
+			zephyr,code = <INPUT_KEY_0>;
+		};
+	};
+
+
+	blink_led: blink-led {
+		compatible = "blink-gpio-led";
+		led-gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
+		blink-period-ms = <1000>;
+	};
+
+	/* These aliases are provided for compatibility with samples */
+	aliases {
+		led0 = &led0;
+		led1 = &led1;
+		led2 = &led2;
+		led3 = &led3;
+		// pwm-led0 = &pwm_led0;
+		sw0 = &button0;
+		// sw1 = &button1;
+		// sw2 = &button2;
+		// sw3 = &button3;
+		bootloader-led0 = &led0;
+		mcuboot-button0 = &button0;
+		mcuboot-led0 = &led0;
+		watchdog0 = &wdt0;
+	};
+};
+
+&uicr {
+	gpio-as-nreset;
+};
+
+&gpiote {
+	status = "okay";
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&uart0 {
+	compatible = "nordic,nrf-uarte";
+	status = "okay";
+	current-speed = <115200>;
+	pinctrl-0 = <&uart0_default>;
+	pinctrl-1 = <&uart0_sleep>;
+	pinctrl-names = "default", "sleep";
+};
+
+&i2c0 {
+	compatible = "nordic,nrf-twi";
+	status = "okay";
+	pinctrl-0 = <&i2c0_default>;
+	pinctrl-1 = <&i2c0_sleep>;
+	pinctrl-names = "default", "sleep";
+
+	ssd1306: ssd1306@3d {
+		compatible = "solomon,ssd1306fb";
+		reg = <0x3d>;
+		width = <128>;
+		height = <64>;
+		segment-offset = <0>;
+		page-offset = <0>;
+		display-offset = <0>;
+		multiplex-ratio = <63>;
+		segment-remap;
+		com-invdir;
+		prechargep = <0x22>;
+	};
+
+	ina231: ina231@45 {
+		compatible = "ti,ina230";
+		reg = <0x45>;
+		// irq-gpios = <&gpio0 31 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+		current-lsb-microamps = <7>;
+		rshunt-micro-ohms = <50000>;
+		adc-mode = "Bus and shunt voltage continuous";
+	};
+
+	bmp388: bmp388@76 {
+		compatible = "bosch,bmp388";
+		reg = <0x76>;
+		int-gpios = <&gpio0 27 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+		// odr = "1.563";
+		osr-press = <1>;
+	};
+
+	hdc1080: hdc1080@40 {
+		compatible = "ti,hdc1080";
+		reg = <0x40>;
+	};
+
+	// BMX055 = BMA255 + BMG160 + BMM150
+	bmx055_accel: bma255@18 {
+		compatible = "bosch,bma255";
+		reg = <0x18>;
+	};
+
+	bmx055_gyro: bmg160@68 {
+		compatible = "bosch,bmg160";
+		reg = <0x68>;
+	};
+
+	bmx055_mag: bmm150@10 {
+		compatible = "bosch,bmm150";
+		reg = <0x10>;
+	};
+
+	lis2dh: lis2dh@19 {
+		// This is built into the DWM1001 module
+		compatible = "st,lis2dh";
+		reg = <0x19>;
+	};
+};
+
+&spi1 {
+	compatible = "nordic,nrf-spi";
+	status = "okay";
+	pinctrl-0 = <&spi1_default>;
+	pinctrl-1 = <&spi1_sleep>;
+	pinctrl-names = "default", "sleep";
+};
+
+&flash0 {
+
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		boot_partition: partition@0 {
+			label = "mcuboot";
+			reg = <0x00000000 0xc000>;
+		};
+		slot0_partition: partition@c000 {
+			label = "image-0";
+			reg = <0x0000C000 0x37000>;
+		};
+		slot1_partition: partition@43000 {
+			label = "image-1";
+			reg = <0x00043000 0x37000>;
+		};
+		storage_partition: partition@7a000 {
+			label = "storage";
+			reg = <0x0007a000 0x00006000>;
+		};
+	};
+};

firmware/boards/bh/mellifera_rev1/mellifera_rev1.yaml

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+identifier: mellifera_rev1
+name: Mellifera-Rev1
+type: mcu
+arch: arm
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools
+ram: 64
+flash: 512
+supported:
+  - adc
+  - arduino_gpio
+  - arduino_i2c
+  - arduino_spi
+  - gpio
+  - counter
+  - nvs
+  - i2c
+  - pwm
+  - spi
+  - watchdog
+vendor: nordic

firmware/boards/bh/mellifera_rev1/mellifera_rev1_defconfig

@@ -0,0 +1,19 @@
+
+# Enable MPU
+CONFIG_ARM_MPU=y
+
+# Enable hardware stack protection
+CONFIG_HW_STACK_PROTECTION=y
+
+# Enable RTT
+CONFIG_USE_SEGGER_RTT=y
+
+# enable GPIO
+CONFIG_GPIO=y
+
+# enable uart driver
+CONFIG_SERIAL=y
+
+# enable console
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y