Configure berylline to use raytac dongle

build.yaml

@@ -13,6 +13,8 @@
 #
 ---
 include:
+  - board: raytac_mdbt50q_rx
+    shield: berylline_dongle
   - board: nice_nano_v2
     shield: berylline_left
   - board: nice_nano_v2

config/boards/shields/arm/raytac_mdbt50q_rx/Kconfig

@@ -0,0 +1,4 @@
+config BOARD_ENABLE_DCDC
+	bool "Enable DCDC mode"
+	select SOC_DCDC_NRF52X
+	default y

config/boards/shields/arm/raytac_mdbt50q_rx/Kconfig.board

@@ -0,0 +1,3 @@
+config BOARD_RAYTAC_MDBT50Q_RX
+	bool "Raytac MDBT50Q-RX"
+	depends on SOC_NRF52840_QIAA

config/boards/shields/arm/raytac_mdbt50q_rx/Kconfig.defconfig

@@ -0,0 +1,19 @@
+if BOARD_RAYTAC_MDBT50Q_RX
+
+config BOARD
+	default "Raytac MDBT50Q-RX"
+
+if USB
+
+config USB_NRFX
+	default y
+
+config USB_DEVICE_STACK
+	default y
+
+endif # USB
+
+config BT_CTLR
+	default BT
+
+endif # BOARD_RAYTAC_MDBT50Q_RX

config/boards/shields/arm/raytac_mdbt50q_rx/raytac_mdbt50q_rx.dts

@@ -0,0 +1,66 @@
+/dts-v1/;
+#include <nordic/nrf52840_qiaa.dtsi>
+
+/ {
+	model = "Raytac MDBT50Q-RX";
+
+	chosen {
+		zephyr,code-partition = &code_partition;
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+		zephyr,console = &cdc_acm_uart;
+	};
+
+	kscan0: kscan {
+		compatible = "zmk,kscan-gpio-direct";
+		label = "KSCAN";
+		input-gpios = <&gpio0 15 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+	};
+};
+
+&adc {
+	status = "okay";
+};
+
+&gpiote {
+	status = "okay";
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&usbd {
+	status = "okay";
+	cdc_acm_uart: cdc_acm_uart {
+		compatible = "zephyr,cdc-acm-uart";
+		label = "CDC_ACM_0";
+	};
+};
+
+&flash0 {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		// Application starts at 0x1000 after the MBR.
+		code_partition: partition@1000 {
+			label = "code_partition";
+			reg = <0x00001000 0x000ec000>;
+		};
+
+		// Define storage partition before the bootloader, which starts at
+		// 0xf4000. Only 7 pages is allocated for storage since that's the
+		// default on the older Adafruit bootloader that these dongles are
+		// preloaded with.
+		storage_partition: partition@ed000 {
+			label = "storage";
+			reg = <0x000ed000 0x00007000>;
+		};
+	};
+};

config/boards/shields/arm/raytac_mdbt50q_rx/raytac_mdbt50q_rx_defconfig

@@ -0,0 +1,36 @@
+CONFIG_SOC_SERIES_NRF52X=y
+CONFIG_SOC_NRF52840_QIAA=y
+CONFIG_BOARD_RAYTAC_MDBT50Q_RX=y
+
+# Follow DeviceTree partition.
+CONFIG_USE_DT_CODE_PARTITION=y
+
+# Build UF2 firmware.
+CONFIG_BUILD_OUTPUT_UF2=y
+
+# Enable MPU.
+CONFIG_ARM_MPU=y
+
+# Enable hardware stack protection.
+CONFIG_HW_STACK_PROTECTION=y
+
+# Enable basic functionality.
+CONFIG_ADC=y
+CONFIG_GPIO=y
+
+# Use NVS for settings.
+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
+
+# Set NVS sector count to reflect storage partition size.
+CONFIG_SETTINGS_NVS_SECTOR_COUNT=7
+
+# Use maximum Bluetooth transmit power.
+CONFIG_BT_CTLR_TX_PWR_PLUS_8=y
+
+# Include support for Coded PHY.
+CONFIG_BT_CTLR_PHY_CODED=y

config/boards/shields/berylline/Kconfig.defconfig

@@ -1,7 +1,7 @@
 # Copyright (c) 2020 The ZMK Contributors
 # SPDX-License-Identifier: MIT
 
-if SHIELD_BERYLLINE_LEFT
+if SHIELD_BERYLLINE_DONGLE
 
 config ZMK_KEYBOARD_NAME
 	default "Berylline"
@@ -11,7 +11,7 @@ config ZMK_SPLIT_BLE_ROLE_CENTRAL
 
 endif
 
-if SHIELD_BERYLLINE_LEFT || SHIELD_BERYLLINE_RIGHT
+if SHIELD_BERYLLINE_DONGLE || SHIELD_BERYLLINE_LEFT || SHIELD_BERYLLINE_RIGHT
 
 config ZMK_SPLIT
 	default y

config/boards/shields/berylline/Kconfig.shield

@@ -1,6 +1,9 @@
 # Copyright (c) 2020 The ZMK Contributors
 # SPDX-License-Identifier: MIT
 
+config SHIELD_BERYLLINE_DONGLE
+	def_bool $(shields_list_contains,berylline_dongle)
+
 config SHIELD_BERYLLINE_LEFT
 	def_bool $(shields_list_contains,berylline_left)
 

config/boards/shields/berylline/berylline_dongle.conf

@@ -0,0 +1 @@
+CONFIG_ZMK_SPLIT_BLE_CENTRAL_PERIPHERALS=2

config/boards/shields/berylline/berylline_dongle.overlay

@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2023 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "berylline03.dtsi"