Merge pull request #101 from okke-formsma/nrfmicro

nrfmicro support

20 files changed, 691 insertions, 0 deletions

diff --git a/app/boards/arm/nrfmicro/CMakeLists.txt b/app/boards/arm/nrfmicro/CMakeLists.txt
new file mode 100644
index 0000000..cd4843a
--- /dev/null
+++ b/app/boards/arm/nrfmicro/CMakeLists.txt
@@ -0,0 +1,14 @@
+set_property(GLOBAL APPEND PROPERTY extra_post_build_commands
+  COMMAND ${PYTHON_EXECUTABLE} ${ZEPHYR_BASE}/../tools/uf2/utils/uf2conv.py
+  -c 
+  -b 0x26000
+  -f 0xADA52840
+  -o ${PROJECT_BINARY_DIR}/${CONFIG_KERNEL_BIN_NAME}.uf2
+  ${PROJECT_BINARY_DIR}/${CONFIG_KERNEL_BIN_NAME}.bin
+)
+
+if(CONFIG_PINMUX)
+zephyr_library()
+zephyr_library_sources(pinmux.c)
+zephyr_library_include_directories(${ZEPHYR_BASE}/drivers)
+endif()
\ No newline at end of file
diff --git a/app/boards/arm/nrfmicro/Kconfig b/app/boards/arm/nrfmicro/Kconfig
new file mode 100644
index 0000000..17a3347
--- /dev/null
+++ b/app/boards/arm/nrfmicro/Kconfig
@@ -0,0 +1,5 @@
+config BOARD_ENABLE_DCDC
+	bool "Enable DCDC mode"
+	select SOC_DCDC_NRF52X
+	default y
+	depends on (BOARD_NRFMICRO_11 || BOARD_NRFMICRO_11_FLIPPED || BOARD_NRFMICRO_13)
diff --git a/app/boards/arm/nrfmicro/Kconfig.board b/app/boards/arm/nrfmicro/Kconfig.board
new file mode 100644
index 0000000..177373a
--- /dev/null
+++ b/app/boards/arm/nrfmicro/Kconfig.board
@@ -0,0 +1,16 @@
+# nrfmicro board configuration
+
+# Copyright (c) 2020 Okke Formsma, joric
+# SPDX-License-Identifier: MIT
+
+config BOARD_NRFMICRO_11
+	bool "nrfmicro_11"
+	depends on SOC_NRF52840_QIAA
+
+config BOARD_NRFMICRO_11_FLIPPED
+	bool "nrfmicro_11_flipped"
+	depends on SOC_NRF52840_QIAA
+
+config BOARD_NRFMICRO_13
+	bool "nrfmicro_13"
+	depends on SOC_NRF52840_QIAA
diff --git a/app/boards/arm/nrfmicro/Kconfig.defconfig b/app/boards/arm/nrfmicro/Kconfig.defconfig
new file mode 100644
index 0000000..2212277
--- /dev/null
+++ b/app/boards/arm/nrfmicro/Kconfig.defconfig
@@ -0,0 +1,33 @@
+# Electronut Labs Papyr board configuration
+
+# Copyright (c) 2020 Okke Formsma, joric
+# SPDX-License-Identifier: MIT
+
+if BOARD_NRFMICRO_11 || BOARD_NRFMICRO_11_FLIPPED || BOARD_NRFMICRO_13
+
+config BOARD
+	default "nrfmicro"
+
+if USB
+
+config USB_NRFX
+	default y
+
+config USB_DEVICE_STACK
+	default y
+
+endif # USB
+
+config BT_CTLR
+	default BT
+
+config ZMK_BLE
+	default y
+
+config ZMK_USB
+	default y
+
+config PINMUX
+	default y
+	
+endif # BOARD_NRFMICRO_11 || BOARD_NRFMICRO_11_FLIPPED || BOARD_NRFMICRO_13
diff --git a/app/boards/arm/nrfmicro/arduino_pro_micro_pins.dtsi b/app/boards/arm/nrfmicro/arduino_pro_micro_pins.dtsi
new file mode 100644
index 0000000..6cde2b4
--- /dev/null
+++ b/app/boards/arm/nrfmicro/arduino_pro_micro_pins.dtsi
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2020 Okke Formsma, joric
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+
+/ {
+	pro_micro_d: connector_d {
+		compatible = "arduino-pro-micro";
+		#gpio-cells = <2>;
+		gpio-map-mask = <0xffffffff 0xffffffc0>;
+		gpio-map-pass-thru = <0 0x3f>;
+		gpio-map
+			= <0 0 &gpio0 8 0>		/* D0 */
+			, <1 0 &gpio0 6 0>		/* D1 */
+			, <2 0 &gpio0 15 0>		/* D2 */
+			, <3 0 &gpio0 17 0>		/* D3 */
+			, <4 0 &gpio0 20 0>		/* D4/A6 */
+			, <5 0 &gpio0 13 0>		/* D5 */
+			, <6 0 &gpio0 24 0>		/* D6/A7 */
+			, <7 0 &gpio0 9 0>		/* D7 */
+			, <8 0 &gpio0 10 0>		/* D8/A8 */
+			, <9 0 &gpio1 6 0>		/* D9/A9 */
+			, <10 0 &gpio1 11 0>	/* D10/A10 */
+			, <16 0 &gpio0 28 0>	/* D16 */
+			, <14 0 &gpio0 3 0>	    /* D14 */
+			, <15 0 &gpio1 13 0>	/* D15 */
+			;
+	};
+
+	pro_micro_a: connector_a {
+		compatible = "arduino-pro-micro";
+		#gpio-cells = <2>;
+		gpio-map-mask = <0xffffffff 0xffffffc0>;
+		gpio-map-pass-thru = <0 0x3f>;
+		gpio-map
+			= <0 0 &gpio0 2 0>	/* A0 */
+			, <1 0 &gpio0 29 0>	/* A1 */
+			, <2 0 &gpio0 31 0>	/* A2 */
+			, <3 0 &gpio0 30 0>	/* A3 */
+			, <6 0 &gpio0 20 0>	/* D4/A6 */
+			, <7 0 &gpio0 24 0>	/* D6/A7 */
+			, <8 0 &gpio0 10 0>	/* D8/A8 */
+			, <9 0 &gpio1 6 0>	/* D9/A9 */
+			, <10 0 &gpio1 11 0>	/* D10/A10 */
+			;
+	};
+};
+
+
+pro_micro_i2c: &i2c0 {};
+pro_micro_spi: &spi0 {};
+pro_micro_serial: &uart0 {};
diff --git a/app/boards/arm/nrfmicro/arduino_pro_micro_pins_flipped.dtsi b/app/boards/arm/nrfmicro/arduino_pro_micro_pins_flipped.dtsi
new file mode 100644
index 0000000..9bad7f4
--- /dev/null
+++ b/app/boards/arm/nrfmicro/arduino_pro_micro_pins_flipped.dtsi
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2020 Okke Formsma, joric
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/ {
+	pro_micro_d: connector_d {
+		compatible = "arduino-pro-micro";
+		#gpio-cells = <2>;
+		gpio-map-mask = <0xffffffff 0xffffffc0>;
+		gpio-map-pass-thru = <0 0x3f>;
+		gpio-map
+			= <0 0 &gpio0 8 0>		/* D0 */
+			, <1 0 &gpio0 6 0>		/* D1 */
+			, <2 0 &gpio0 30 0>		/* D2 */
+			, <3 0 &gpio0 31 0>		/* D3 */
+			, <4 0 &gpio0 29 0>		/* D4/A6 */
+			, <5 0 &gpio0 2 0>		/* D5 */
+			, <6 0 &gpio1 13 0>		/* D6/A7 */
+			, <7 0 &gpio0 3 0>		/* D7 */
+			, <8 0 &gpio0 28 0>		/* D8/A8 */
+			, <9 0 &gpio1 11 0>		/* D9/A9 */
+			, <10 0 &gpio1 6 0>	    /* D10/A10 */
+			, <16 0 &gpio0 10 0>	/* D16 */
+			, <14 0 &gpio0 9 0>	    /* D14 */
+			, <15 0 &gpio0 24 0>	/* D15 */
+			;
+	};
+
+	pro_micro_a: connector_a {
+		compatible = "arduino-pro-micro";
+		#gpio-cells = <2>;
+		gpio-map-mask = <0xffffffff 0xffffffc0>;
+		gpio-map-pass-thru = <0 0x3f>;
+		gpio-map
+			= <0 0 &gpio0 13 0>	/* A0 */
+			, <1 0 &gpio0 20 0>	/* A1 */
+			, <2 0 &gpio0 17 0>	/* A2 */
+			, <3 0 &gpio0 15 0>	/* A3 */
+			, <6 0 &gpio0 29 0>	/* D4/A6 */
+			, <7 0 &gpio1 13 0>	/* D6/A7 */
+			, <8 0 &gpio0 28 0>	/* D8/A8 */
+			, <9 0 &gpio1 11 0>	/* D9/A9 */
+			, <10 0 &gpio1 6 0>	/* D10/A10 */
+			;
+	};
+};
+
+pro_micro_i2c: &i2c0 {};
+pro_micro_spi: &spi0 {};
+pro_micro_serial: &uart0 {};
diff --git a/app/boards/arm/nrfmicro/board.cmake b/app/boards/arm/nrfmicro/board.cmake
new file mode 100644
index 0000000..fa847d5
--- /dev/null
+++ b/app/boards/arm/nrfmicro/board.cmake
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: MIT
+
+board_runner_args(nrfjprog "--nrf-family=NRF52" "--softreset")
+include(${ZEPHYR_BASE}/boards/common/blackmagicprobe.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake)
diff --git a/app/boards/arm/nrfmicro/nrfmicro_11.dts b/app/boards/arm/nrfmicro/nrfmicro_11.dts
new file mode 100644
index 0000000..dc07ac8
--- /dev/null
+++ b/app/boards/arm/nrfmicro/nrfmicro_11.dts
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2020 Okke Formsma, joric
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/dts-v1/;
+#include <nordic/nrf52840_qiaa.dtsi>
+#include "arduino_pro_micro_pins.dtsi"
+
+/ {
+	model = "nrfmicro";
+	compatible = "joric,nrfmicro";
+
+	chosen {
+		zephyr,code-partition = &code_partition;
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		blue_led: led_0 {
+			gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+			label = "Blue LED";
+		};
+	};
+
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&i2c0 {
+	compatible = "nordic,nrf-twi";
+	sda-pin = <15>;
+	scl-pin = <17>;
+};
+
+&uart0 {
+	compatible = "nordic,nrf-uarte";
+	status = "okay";
+	current-speed = <115200>;
+	tx-pin = <39>;
+	rx-pin = <34>;
+	rts-pin = <33>;
+	cts-pin = <12>;
+};
+
+&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>;
+
+		boot_partition: partition@0 {
+			label = "adafruit_boot";
+			reg = <0x000000000 0x0000C000>;
+		};
+		code_partition: partition@26000 {
+			label = "code_partition";
+			reg = <0x00026000 0x000d2000>;
+		};
+
+		/*
+		 * The flash starting at 0x000f8000 and ending at
+		 * 0x000fffff is reserved for use by the application.
+		 */
+
+		/*
+		 * Storage partition will be used by FCB/LittleFS/NVS
+		 * if enabled.
+		 */
+		storage_partition: partition@f8000 {
+			label = "storage";
+			reg = <0x000f8000 0x00008000>;
+		};
+	};
+};
diff --git a/app/boards/arm/nrfmicro/nrfmicro_11.yaml b/app/boards/arm/nrfmicro/nrfmicro_11.yaml
new file mode 100644
index 0000000..4608130
--- /dev/null
+++ b/app/boards/arm/nrfmicro/nrfmicro_11.yaml
@@ -0,0 +1,15 @@
+identifier: nrfmicro_11
+name: nrfmicro_11
+type: mcu
+arch: arm
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools
+supported:
+  - adc
+  - usb_device
+  - ble
+  - ieee802154
+  - pwm
+  - watchdog
diff --git a/app/boards/arm/nrfmicro/nrfmicro_11_defconfig b/app/boards/arm/nrfmicro/nrfmicro_11_defconfig
new file mode 100644
index 0000000..c1ac836
--- /dev/null
+++ b/app/boards/arm/nrfmicro/nrfmicro_11_defconfig
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: MIT
+
+CONFIG_SOC_SERIES_NRF52X=y
+CONFIG_SOC_NRF52840_QIAA=y
+CONFIG_BOARD_NRFMICRO_11=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
+CONFIG_CLOCK_CONTROL_NRF=y
+CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
diff --git a/app/boards/arm/nrfmicro/nrfmicro_11_flipped.dts b/app/boards/arm/nrfmicro/nrfmicro_11_flipped.dts
new file mode 100644
index 0000000..5bf493f
--- /dev/null
+++ b/app/boards/arm/nrfmicro/nrfmicro_11_flipped.dts
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2020 Okke Formsma, joric
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/dts-v1/;
+#include <nordic/nrf52840_qiaa.dtsi>
+#include "arduino_pro_micro_pins_flipped.dtsi"
+
+/ {
+	model = "nrfmicro";
+	compatible = "joric,nrfmicro";
+
+	chosen {
+		zephyr,code-partition = &code_partition;
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		blue_led: led_0 {
+			gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+			label = "Blue LED";
+		};
+	};
+
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&i2c0 {
+	compatible = "nordic,nrf-twi";
+	sda-pin = <30>;
+	scl-pin = <31>;
+};
+
+&uart0 {
+	compatible = "nordic,nrf-uarte";
+	status = "okay";
+	current-speed = <115200>;
+	tx-pin = <39>;
+	rx-pin = <34>;
+	rts-pin = <33>;
+	cts-pin = <12>;
+};
+
+&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>;
+
+		boot_partition: partition@0 {
+			label = "adafruit_boot";
+			reg = <0x000000000 0x0000C000>;
+		};
+		code_partition: partition@26000 {
+			label = "code_partition";
+			reg = <0x00026000 0x000d2000>;
+		};
+
+		/*
+		 * The flash starting at 0x000f8000 and ending at
+		 * 0x000fffff is reserved for use by the application.
+		 */
+
+		/*
+		 * Storage partition will be used by FCB/LittleFS/NVS
+		 * if enabled.
+		 */
+		storage_partition: partition@f8000 {
+			label = "storage";
+			reg = <0x000f8000 0x00008000>;
+		};
+	};
+};
diff --git a/app/boards/arm/nrfmicro/nrfmicro_11_flipped.yaml b/app/boards/arm/nrfmicro/nrfmicro_11_flipped.yaml
new file mode 100644
index 0000000..74461f0
--- /dev/null
+++ b/app/boards/arm/nrfmicro/nrfmicro_11_flipped.yaml
@@ -0,0 +1,15 @@
+identifier: nrfmicro_11_flipped
+name: nrfmicro_11_flipped
+type: mcu
+arch: arm
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools
+supported:
+  - adc
+  - usb_device
+  - ble
+  - ieee802154
+  - pwm
+  - watchdog
diff --git a/app/boards/arm/nrfmicro/nrfmicro_11_flipped_defconfig b/app/boards/arm/nrfmicro/nrfmicro_11_flipped_defconfig
new file mode 100644
index 0000000..b35cb79
--- /dev/null
+++ b/app/boards/arm/nrfmicro/nrfmicro_11_flipped_defconfig
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: MIT
+
+CONFIG_SOC_SERIES_NRF52X=y
+CONFIG_SOC_NRF52840_QIAA=y
+CONFIG_BOARD_NRFMICRO_11_FLIPPED=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
+CONFIG_CLOCK_CONTROL_NRF=y
+CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
diff --git a/app/boards/arm/nrfmicro/nrfmicro_13.dts b/app/boards/arm/nrfmicro/nrfmicro_13.dts
new file mode 100644
index 0000000..dc07ac8
--- /dev/null
+++ b/app/boards/arm/nrfmicro/nrfmicro_13.dts
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2020 Okke Formsma, joric
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/dts-v1/;
+#include <nordic/nrf52840_qiaa.dtsi>
+#include "arduino_pro_micro_pins.dtsi"
+
+/ {
+	model = "nrfmicro";
+	compatible = "joric,nrfmicro";
+
+	chosen {
+		zephyr,code-partition = &code_partition;
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		blue_led: led_0 {
+			gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+			label = "Blue LED";
+		};
+	};
+
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&i2c0 {
+	compatible = "nordic,nrf-twi";
+	sda-pin = <15>;
+	scl-pin = <17>;
+};
+
+&uart0 {
+	compatible = "nordic,nrf-uarte";
+	status = "okay";
+	current-speed = <115200>;
+	tx-pin = <39>;
+	rx-pin = <34>;
+	rts-pin = <33>;
+	cts-pin = <12>;
+};
+
+&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>;
+
+		boot_partition: partition@0 {
+			label = "adafruit_boot";
+			reg = <0x000000000 0x0000C000>;
+		};
+		code_partition: partition@26000 {
+			label = "code_partition";
+			reg = <0x00026000 0x000d2000>;
+		};
+
+		/*
+		 * The flash starting at 0x000f8000 and ending at
+		 * 0x000fffff is reserved for use by the application.
+		 */
+
+		/*
+		 * Storage partition will be used by FCB/LittleFS/NVS
+		 * if enabled.
+		 */
+		storage_partition: partition@f8000 {
+			label = "storage";
+			reg = <0x000f8000 0x00008000>;
+		};
+	};
+};
diff --git a/app/boards/arm/nrfmicro/nrfmicro_13.yaml b/app/boards/arm/nrfmicro/nrfmicro_13.yaml
new file mode 100644
index 0000000..a7415e4
--- /dev/null
+++ b/app/boards/arm/nrfmicro/nrfmicro_13.yaml
@@ -0,0 +1,15 @@
+identifier: nrfmicro_13
+name: nrfmicro_13
+type: mcu
+arch: arm
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools
+supported:
+  - adc
+  - usb_device
+  - ble
+  - ieee802154
+  - pwm
+  - watchdog
diff --git a/app/boards/arm/nrfmicro/nrfmicro_13_defconfig b/app/boards/arm/nrfmicro/nrfmicro_13_defconfig
new file mode 100644
index 0000000..cac1164
--- /dev/null
+++ b/app/boards/arm/nrfmicro/nrfmicro_13_defconfig
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: MIT
+
+CONFIG_SOC_SERIES_NRF52X=y
+CONFIG_SOC_NRF52840_QIAA=y
+CONFIG_BOARD_NRFMICRO_13=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
+CONFIG_CLOCK_CONTROL_NRF=y
+CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
diff --git a/app/boards/arm/nrfmicro/pinmux.c b/app/boards/arm/nrfmicro/pinmux.c
new file mode 100644
index 0000000..803d20d
--- /dev/null
+++ b/app/boards/arm/nrfmicro/pinmux.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2020 Okke Formsma, joric
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <kernel.h>
+#include <device.h>
+#include <init.h>
+#include <drivers/gpio.h>
+#include <sys/sys_io.h>
+#include <devicetree.h>
+
+static int pinmux_nrfmicro_init(struct device *port)
+{
+	ARG_UNUSED(port);
+
+	struct device *p1 = device_get_binding("GPIO_1");
+
+#if defined(BOARD_NRFMICRO_13)
+	struct device *p0 = device_get_binding("GPIO_0");
+	// enable EXT_VCC (use 0 for nRFMicro 1.3, use 1 for nRFMicro 1.1)
+	gpio_pin_configure(p1, 9, GPIO_OUTPUT);
+	gpio_pin_set(p1, 9, 0);
+
+	// enable charger (nRFMicro 1.3 only)
+	gpio_pin_configure(p0, 5, GPIO_OUTPUT);
+	gpio_pin_set(p0, 5, 0);
+#else
+    // enable EXT_VCC (use 0 for nRFMicro 1.3, use 1 for nRFMicro 1.1)
+	gpio_pin_configure(p1, 9, GPIO_OUTPUT);
+	gpio_pin_set(p1, 9, 1);
+#endif
+	return 0;
+}
+
+SYS_INIT(pinmux_nrfmicro_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY);
\ No newline at end of file
diff --git a/app/boards/shields/kyria/boards/nrfmicro_11.overlay b/app/boards/shields/kyria/boards/nrfmicro_11.overlay
new file mode 100644
index 0000000..d7f724f
--- /dev/null
+++ b/app/boards/shields/kyria/boards/nrfmicro_11.overlay
@@ -0,0 +1,29 @@
+&spi1 {
+	compatible = "nordic,nrf-spi";
+	status = "okay";
+	mosi-pin = <6>;
+	// Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
+	sck-pin = <12>;  // 0.12 is not broken out on the nRFMicro
+	miso-pin = <22>; // 0.22 is not broken out on the nRFMicro
+
+	led_strip: ws2812@0 {
+		compatible = "worldsemi,ws2812-spi";
+		label = "WS2812";
+
+		/* SPI */
+		reg = <0>; /* ignored, but necessary for SPI bindings */
+		spi-max-frequency = <4000000>;
+
+		/* WS2812 */
+		chain-length = <10>; /* arbitrary; change at will */
+		spi-one-frame = <0x70>;
+		spi-zero-frame = <0x40>;
+	};
+};
+
+/ {
+	chosen {
+		zmk,underglow = &led_strip;
+	};
+};
+
diff --git a/app/boards/shields/kyria/boards/nrfmicro_11_flipped.overlay b/app/boards/shields/kyria/boards/nrfmicro_11_flipped.overlay
new file mode 100644
index 0000000..c5f2a94
--- /dev/null
+++ b/app/boards/shields/kyria/boards/nrfmicro_11_flipped.overlay
@@ -0,0 +1,28 @@
+&spi1 {
+	compatible = "nordic,nrf-spi";
+	status = "okay";
+	mosi-pin = <6>;
+	// Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
+	sck-pin = <12>;  // 0.12 is not broken out on the nRFMicro
+	miso-pin = <22>; // 0.22 is not broken out on the nRFMicro
+
+	led_strip: ws2812@0 {
+		compatible = "worldsemi,ws2812-spi";
+		label = "WS2812";
+
+		/* SPI */
+		reg = <0>; /* ignored, but necessary for SPI bindings */
+		spi-max-frequency = <4000000>;
+
+		/* WS2812 */
+		chain-length = <10>; /* arbitrary; change at will */
+		spi-one-frame = <0x70>;
+		spi-zero-frame = <0x40>;
+	};
+};
+
+/ {
+	chosen {
+		zmk,underglow = &led_strip;
+	};
+};
diff --git a/app/boards/shields/kyria/boards/nrfmicro_13.overlay b/app/boards/shields/kyria/boards/nrfmicro_13.overlay
new file mode 100644
index 0000000..c5f2a94
--- /dev/null
+++ b/app/boards/shields/kyria/boards/nrfmicro_13.overlay
@@ -0,0 +1,28 @@
+&spi1 {
+	compatible = "nordic,nrf-spi";
+	status = "okay";
+	mosi-pin = <6>;
+	// Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
+	sck-pin = <12>;  // 0.12 is not broken out on the nRFMicro
+	miso-pin = <22>; // 0.22 is not broken out on the nRFMicro
+
+	led_strip: ws2812@0 {
+		compatible = "worldsemi,ws2812-spi";
+		label = "WS2812";
+
+		/* SPI */
+		reg = <0>; /* ignored, but necessary for SPI bindings */
+		spi-max-frequency = <4000000>;
+
+		/* WS2812 */
+		chain-length = <10>; /* arbitrary; change at will */
+		spi-one-frame = <0x70>;
+		spi-zero-frame = <0x40>;
+	};
+};
+
+/ {
+	chosen {
+		zmk,underglow = &led_strip;
+	};
+};