feat(boards): Add nice!nano v2

app/boards/arm/nice_nano/Kconfig

@@ -4,4 +4,4 @@ config BOARD_ENABLE_DCDC
 	bool "Enable DCDC mode"
 	select SOC_DCDC_NRF52X
 	default y
-	depends on BOARD_NICE_NANO
+	depends on (BOARD_NICE_NANO || BOARD_NICE_NANO_V2)

app/boards/arm/nice_nano/Kconfig.board

@@ -7,3 +7,7 @@ config BOARD_NICE_NANO
 	bool "nice!nano"
 	depends on SOC_NRF52840_QIAA
 
+config BOARD_NICE_NANO_V2
+	bool "nice!nano v2"
+	depends on SOC_NRF52840_QIAA
+

app/boards/arm/nice_nano/Kconfig.defconfig

@@ -1,7 +1,7 @@
-# Copyright (c) 2020 Pete Johanson
+# Copyright (c) 2021 The ZMK Contributors
 # SPDX-License-Identifier: MIT
 
-if BOARD_NICE_NANO
+if BOARD_NICE_NANO || BOARD_NICE_NANO_V2
 
 config BOARD
 	default "nice_nano"
@@ -28,4 +28,4 @@ config ZMK_USB
 config ZMK_BATTERY_VOLTAGE_DIVIDER
 	default y
 
-endif # BOARD_NICE_NANO
+endif # BOARD_NICE_NANO || BOARD_NICE_NANO_V2

app/boards/arm/nice_nano/nice_nano.dts

@@ -1,31 +1,13 @@
 /*
- * Copyright (c) 2020 Pete Johanson
+ * Copyright (c) 2021 The ZMK Contributors
  *
  * SPDX-License-Identifier: MIT
  */
 
 /dts-v1/;
-#include <nordic/nrf52840_qiaa.dtsi>
+#include "nice_nano.dtsi"
-#include "arduino_pro_micro_pins.dtsi"
 
 / {
-	model = "nice!nano";
-	compatible = "nice,nano";
-
-	chosen {
-		zephyr,code-partition = &code_partition;
-		zephyr,sram = &sram0;
-		zephyr,flash = &flash0;
-	};
-
-	leds {
-		compatible = "gpio-leds";
-		blue_led: led_0 {
-			gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
-			label = "Blue LED";
-		};
-	};
-
 	ext-power {
 		compatible = "zmk,ext-power-generic";
 		label = "EXT_POWER";
@@ -40,76 +22,3 @@
 		full-ohms = <(2000000 + 806000)>;
 	};
 };
-
-&adc {
-	status = "okay";
-};
-
-&gpiote {
-	status = "okay";
-};
-
-&gpio0 {
-	status = "okay";
-};
-
-&gpio1 {
-	status = "okay";
-};
-
-&i2c0 {
-	compatible = "nordic,nrf-twi";
-	sda-pin = <17>;
-	scl-pin = <20>;
-};
-
-&uart0 {
-	compatible = "nordic,nrf-uarte";
-	tx-pin = <6>;
-	rx-pin = <8>;
-};
-
-&usbd {
-	status = "okay";
-};
-
-
-&flash0 {
-	/*
-	 * For more information, see:
-	 * http://docs.zephyrproject.org/latest/devices/dts/flash_partitions.html
-	 */
-	partitions {
-		compatible = "fixed-partitions";
-		#address-cells = <1>;
-		#size-cells = <1>;
-
-		sd_partition: partition@0 {
-			label = "softdevice";
-			reg = <0x00000000 0x00026000>;
-		};
-		code_partition: partition@26000 {
-			label = "code_partition";
-			reg = <0x00026000 0x000c6000>;
-		};
-
-		/*
-		 * The flash starting at 0x000ec000 and ending at
-		 * 0x000f3fff is reserved for use by the application.
-		 */
-
-		/*
-		 * Storage partition will be used by FCB/LittleFS/NVS
-		 * if enabled.
-		 */
-		storage_partition: partition@ec000 {
-			label = "storage";
-			reg = <0x000ec000 0x00008000>;
-		};
-
-		boot_partition: partition@f4000 {
-			label = "adafruit_boot";
-			reg = <0x000f4000 0x0000c000>;
-		};
-	};
-};

app/boards/arm/nice_nano/nice_nano.dtsi

@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2021 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <nordic/nrf52840_qiaa.dtsi>
+#include "arduino_pro_micro_pins.dtsi"
+
+/ {
+	model = "nice!nano";
+	compatible = "nice,nano";
+
+	chosen {
+		zephyr,code-partition = &code_partition;
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		blue_led: led_0 {
+			gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
+			label = "Blue LED";
+		};
+	};
+};
+
+&adc {
+	status = "okay";
+};
+
+&gpiote {
+	status = "okay";
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&i2c0 {
+	compatible = "nordic,nrf-twi";
+	sda-pin = <17>;
+	scl-pin = <20>;
+};
+
+&uart0 {
+	compatible = "nordic,nrf-uarte";
+	tx-pin = <6>;
+	rx-pin = <8>;
+};
+
+&usbd {
+	status = "okay";
+};
+
+
+&flash0 {
+	/*
+	 * For more information, see:
+	 * http://docs.zephyrproject.org/latest/devices/dts/flash_partitions.html
+	 */
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		sd_partition: partition@0 {
+			label = "softdevice";
+			reg = <0x00000000 0x00026000>;
+		};
+		code_partition: partition@26000 {
+			label = "code_partition";
+			reg = <0x00026000 0x000c6000>;
+		};
+
+		/*
+		 * The flash starting at 0x000ec000 and ending at
+		 * 0x000f3fff is reserved for use by the application.
+		 */
+
+		/*
+		 * Storage partition will be used by FCB/LittleFS/NVS
+		 * if enabled.
+		 */
+		storage_partition: partition@ec000 {
+			label = "storage";
+			reg = <0x000ec000 0x00008000>;
+		};
+
+		boot_partition: partition@f4000 {
+			label = "adafruit_boot";
+			reg = <0x000f4000 0x0000c000>;
+		};
+	};
+};

app/boards/arm/nice_nano/nice_nano_v2.dts

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/dts-v1/;
+#include "nice_nano.dtsi"
+
+/ {
+	ext-power {
+		compatible = "zmk,ext-power-generic";
+		label = "EXT_POWER";
+		control-gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
+		init-delay-ms = <10>;
+	};
+
+	vbatt {
+		compatible = "zmk,battery-voltage-divider";
+		label = "BATTERY";
+		io-channels = <&adc (0x0D - 1)>;
+		// Multiply ADC result by 5
+		full-ohms = <5>;
+		output-ohms = <1>;
+	};
+};

app/boards/arm/nice_nano/nice_nano_v2.yaml

@@ -0,0 +1,15 @@
+identifier: nice_nano_v2
+name: nice!nano v2
+type: mcu
+arch: arm
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools
+supported:
+  - adc
+  - usb_device
+  - ble
+  - ieee802154
+  - pwm
+  - watchdog

app/boards/arm/nice_nano/nice_nano_v2_defconfig

@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: MIT
+
+CONFIG_SOC_SERIES_NRF52X=y
+CONFIG_SOC_NRF52840_QIAA=y
+CONFIG_BOARD_NICE_NANO_V2=y
+
+# Enable MPU
+CONFIG_ARM_MPU=y
+
+# enable GPIO
+CONFIG_GPIO=y
+
+CONFIG_USE_DT_CODE_PARTITION=y
+
+CONFIG_MPU_ALLOW_FLASH_WRITE=y
+CONFIG_NVS=y
+CONFIG_SETTINGS_NVS=y
+CONFIG_FLASH=y
+CONFIG_FLASH_PAGE_LAYOUT=y
+CONFIG_FLASH_MAP=y