add tinyusb

30 files changed, 932 insertions, 0 deletions

diff --git a/tinyusb/hw/bsp/nrf/boards/adafruit_clue/board.h b/tinyusb/hw/bsp/nrf/boards/adafruit_clue/board.h
new file mode 100755
index 00000000..2c58e8fe
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/adafruit_clue/board.h
@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN               _PINNUM(1, 1)
+#define LED_STATE_ON          1
+
+// Button
+#define BUTTON_PIN            _PINNUM(1, 02)
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN           4
+#define UART_TX_PIN           5
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/tinyusb/hw/bsp/nrf/boards/adafruit_clue/board.mk b/tinyusb/hw/bsp/nrf/boards/adafruit_clue/board.mk
new file mode 100755
index 00000000..f31899eb
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/adafruit_clue/board.mk
@@ -0,0 +1,10 @@
+MCU_VARIANT = nrf52840
+CFLAGS += -DNRF52840_XXAA
+
+$(BUILD)/$(PROJECT).zip: $(BUILD)/$(PROJECT).hex
+	adafruit-nrfutil dfu genpkg --dev-type 0x0052 --sd-req 0xFFFE --application $^ $@
+
+# flash using adafruit-nrfutil dfu
+flash: $(BUILD)/$(PROJECT).zip
+	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
+	adafruit-nrfutil --verbose dfu serial --package $^ -p $(SERIAL) -b 115200 --singlebank --touch 1200
diff --git a/tinyusb/hw/bsp/nrf/boards/adafruit_clue/nrf52840_s140_v6.ld b/tinyusb/hw/bsp/nrf/boards/adafruit_clue/nrf52840_s140_v6.ld
new file mode 100755
index 00000000..5314a4e9
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/adafruit_clue/nrf52840_s140_v6.ld
@@ -0,0 +1,38 @@
+/* Linker script to configure memory regions. */
+
+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx)     : ORIGIN = 0x26000, LENGTH = 0xED000 - 0x26000
+
+  /* SRAM required by S132 depend on
+   * - Attribute Table Size
+   * - Vendor UUID count
+   * - Max ATT MTU
+   * - Concurrent connection peripheral + central + secure links
+   * - Event Len, HVN queue, Write CMD queue
+   */ 
+  RAM (rwx) :  ORIGIN = 0x20003400, LENGTH = 0x20040000 - 0x20003400
+}
+
+SECTIONS
+{
+  . = ALIGN(4);
+  .svc_data :
+  {
+    PROVIDE(__start_svc_data = .);
+    KEEP(*(.svc_data))
+    PROVIDE(__stop_svc_data = .);
+  } > RAM
+  
+  .fs_data :
+  {
+    PROVIDE(__start_fs_data = .);
+    KEEP(*(.fs_data))
+    PROVIDE(__stop_fs_data = .);
+  } > RAM
+} INSERT AFTER .data;
+
+INCLUDE "nrf52_common.ld"
diff --git a/tinyusb/hw/bsp/nrf/boards/arduino_nano33_ble/arduino_nano33_ble.ld b/tinyusb/hw/bsp/nrf/boards/arduino_nano33_ble/arduino_nano33_ble.ld
new file mode 100755
index 00000000..f570740b
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/arduino_nano33_ble/arduino_nano33_ble.ld
@@ -0,0 +1,32 @@
+/* Linker script to configure memory regions. */
+
+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x10000, LENGTH = 0xf0000
+  RAM_NVIC (rwx) : ORIGIN = 0x20000000, LENGTH = 0x100
+  RAM_CRASH_DATA (rwx) : ORIGIN = (0x20000000 + 0x100), LENGTH = 0x100
+  RAM (rwx) : ORIGIN = ((0x20000000 + 0x100) + 0x100), LENGTH = (0x40000 - (0x100 + 0x100))
+}
+
+SECTIONS
+{
+  . = ALIGN(4);
+  .svc_data :
+  {
+    PROVIDE(__start_svc_data = .);
+    KEEP(*(.svc_data))
+    PROVIDE(__stop_svc_data = .);
+  } > RAM
+  
+  .fs_data :
+  {
+    PROVIDE(__start_fs_data = .);
+    KEEP(*(.fs_data))
+    PROVIDE(__stop_fs_data = .);
+  } > RAM
+} INSERT AFTER .data;
+
+INCLUDE "nrf52_common.ld"
diff --git a/tinyusb/hw/bsp/nrf/boards/arduino_nano33_ble/board.h b/tinyusb/hw/bsp/nrf/boards/arduino_nano33_ble/board.h
new file mode 100755
index 00000000..d548e01c
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/arduino_nano33_ble/board.h
@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN               _PINNUM(0, 24)
+#define LED_STATE_ON          0
+
+// Button
+#define BUTTON_PIN            _PINNUM(1, 11) // D2
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN           _PINNUM(1, 10)
+#define UART_TX_PIN           _PINNUM(1, 3)
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/tinyusb/hw/bsp/nrf/boards/arduino_nano33_ble/board.mk b/tinyusb/hw/bsp/nrf/boards/arduino_nano33_ble/board.mk
new file mode 100755
index 00000000..94babd82
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/arduino_nano33_ble/board.mk
@@ -0,0 +1,13 @@
+MCU_VARIANT = nrf52840
+CFLAGS += -DNRF52840_XXAA
+
+LD_FILE = $(BOARD_PATH)/$(BOARD).ld
+
+# flash using bossac (as part of Nano33 BSP tools)
+# can be found in arduino15/packages/arduino/tools/bossac/
+# Add it to your PATH or change BOSSAC variable to match your installation
+BOSSAC = bossac
+
+flash: $(BUILD)/$(PROJECT).bin
+	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
+	$(BOSSAC) --port=$(SERIAL) -U -i -e -w $^ -R
diff --git a/tinyusb/hw/bsp/nrf/boards/circuitplayground_bluefruit/board.h b/tinyusb/hw/bsp/nrf/boards/circuitplayground_bluefruit/board.h
new file mode 100755
index 00000000..a86c9dc7
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/circuitplayground_bluefruit/board.h
@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN         _PINNUM(1, 14)
+#define LED_STATE_ON    1
+
+// Button
+#define BUTTON_PIN      _PINNUM(1, 15)
+#define BUTTON_STATE_ACTIVE   1
+
+// UART
+#define UART_RX_PIN     30
+#define UART_TX_PIN     14
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/tinyusb/hw/bsp/nrf/boards/circuitplayground_bluefruit/board.mk b/tinyusb/hw/bsp/nrf/boards/circuitplayground_bluefruit/board.mk
new file mode 100755
index 00000000..f31899eb
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/circuitplayground_bluefruit/board.mk
@@ -0,0 +1,10 @@
+MCU_VARIANT = nrf52840
+CFLAGS += -DNRF52840_XXAA
+
+$(BUILD)/$(PROJECT).zip: $(BUILD)/$(PROJECT).hex
+	adafruit-nrfutil dfu genpkg --dev-type 0x0052 --sd-req 0xFFFE --application $^ $@
+
+# flash using adafruit-nrfutil dfu
+flash: $(BUILD)/$(PROJECT).zip
+	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
+	adafruit-nrfutil --verbose dfu serial --package $^ -p $(SERIAL) -b 115200 --singlebank --touch 1200
diff --git a/tinyusb/hw/bsp/nrf/boards/circuitplayground_bluefruit/nrf52840_s140_v6.ld b/tinyusb/hw/bsp/nrf/boards/circuitplayground_bluefruit/nrf52840_s140_v6.ld
new file mode 100755
index 00000000..5314a4e9
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/circuitplayground_bluefruit/nrf52840_s140_v6.ld
@@ -0,0 +1,38 @@
+/* Linker script to configure memory regions. */
+
+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx)     : ORIGIN = 0x26000, LENGTH = 0xED000 - 0x26000
+
+  /* SRAM required by S132 depend on
+   * - Attribute Table Size
+   * - Vendor UUID count
+   * - Max ATT MTU
+   * - Concurrent connection peripheral + central + secure links
+   * - Event Len, HVN queue, Write CMD queue
+   */ 
+  RAM (rwx) :  ORIGIN = 0x20003400, LENGTH = 0x20040000 - 0x20003400
+}
+
+SECTIONS
+{
+  . = ALIGN(4);
+  .svc_data :
+  {
+    PROVIDE(__start_svc_data = .);
+    KEEP(*(.svc_data))
+    PROVIDE(__stop_svc_data = .);
+  } > RAM
+  
+  .fs_data :
+  {
+    PROVIDE(__start_fs_data = .);
+    KEEP(*(.fs_data))
+    PROVIDE(__stop_fs_data = .);
+  } > RAM
+} INSERT AFTER .data;
+
+INCLUDE "nrf52_common.ld"
diff --git a/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_express/board.h b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_express/board.h
new file mode 100755
index 00000000..3208a948
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_express/board.h
@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN         _PINNUM(1, 15)
+#define LED_STATE_ON    1
+
+// Button
+#define BUTTON_PIN      _PINNUM(1, 02)
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN     24
+#define UART_TX_PIN     25
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_express/board.mk b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_express/board.mk
new file mode 100755
index 00000000..f31899eb
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_express/board.mk
@@ -0,0 +1,10 @@
+MCU_VARIANT = nrf52840
+CFLAGS += -DNRF52840_XXAA
+
+$(BUILD)/$(PROJECT).zip: $(BUILD)/$(PROJECT).hex
+	adafruit-nrfutil dfu genpkg --dev-type 0x0052 --sd-req 0xFFFE --application $^ $@
+
+# flash using adafruit-nrfutil dfu
+flash: $(BUILD)/$(PROJECT).zip
+	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
+	adafruit-nrfutil --verbose dfu serial --package $^ -p $(SERIAL) -b 115200 --singlebank --touch 1200
diff --git a/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_express/nrf52840_s140_v6.ld b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_express/nrf52840_s140_v6.ld
new file mode 100755
index 00000000..5314a4e9
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_express/nrf52840_s140_v6.ld
@@ -0,0 +1,38 @@
+/* Linker script to configure memory regions. */
+
+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx)     : ORIGIN = 0x26000, LENGTH = 0xED000 - 0x26000
+
+  /* SRAM required by S132 depend on
+   * - Attribute Table Size
+   * - Vendor UUID count
+   * - Max ATT MTU
+   * - Concurrent connection peripheral + central + secure links
+   * - Event Len, HVN queue, Write CMD queue
+   */ 
+  RAM (rwx) :  ORIGIN = 0x20003400, LENGTH = 0x20040000 - 0x20003400
+}
+
+SECTIONS
+{
+  . = ALIGN(4);
+  .svc_data :
+  {
+    PROVIDE(__start_svc_data = .);
+    KEEP(*(.svc_data))
+    PROVIDE(__stop_svc_data = .);
+  } > RAM
+  
+  .fs_data :
+  {
+    PROVIDE(__start_fs_data = .);
+    KEEP(*(.fs_data))
+    PROVIDE(__stop_fs_data = .);
+  } > RAM
+} INSERT AFTER .data;
+
+INCLUDE "nrf52_common.ld"
diff --git a/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_sense/board.h b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_sense/board.h
new file mode 100755
index 00000000..ece6e34c
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_sense/board.h
@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN         _PINNUM(1, 9)
+#define LED_STATE_ON    1
+
+// Button
+#define BUTTON_PIN      _PINNUM(1, 02)
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN     24
+#define UART_TX_PIN     25
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_sense/board.mk b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_sense/board.mk
new file mode 100755
index 00000000..f31899eb
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_sense/board.mk
@@ -0,0 +1,10 @@
+MCU_VARIANT = nrf52840
+CFLAGS += -DNRF52840_XXAA
+
+$(BUILD)/$(PROJECT).zip: $(BUILD)/$(PROJECT).hex
+	adafruit-nrfutil dfu genpkg --dev-type 0x0052 --sd-req 0xFFFE --application $^ $@
+
+# flash using adafruit-nrfutil dfu
+flash: $(BUILD)/$(PROJECT).zip
+	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
+	adafruit-nrfutil --verbose dfu serial --package $^ -p $(SERIAL) -b 115200 --singlebank --touch 1200
diff --git a/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_sense/nrf52840_s140_v6.ld b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_sense/nrf52840_s140_v6.ld
new file mode 100755
index 00000000..5314a4e9
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/feather_nrf52840_sense/nrf52840_s140_v6.ld
@@ -0,0 +1,38 @@
+/* Linker script to configure memory regions. */
+
+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx)     : ORIGIN = 0x26000, LENGTH = 0xED000 - 0x26000
+
+  /* SRAM required by S132 depend on
+   * - Attribute Table Size
+   * - Vendor UUID count
+   * - Max ATT MTU
+   * - Concurrent connection peripheral + central + secure links
+   * - Event Len, HVN queue, Write CMD queue
+   */ 
+  RAM (rwx) :  ORIGIN = 0x20003400, LENGTH = 0x20040000 - 0x20003400
+}
+
+SECTIONS
+{
+  . = ALIGN(4);
+  .svc_data :
+  {
+    PROVIDE(__start_svc_data = .);
+    KEEP(*(.svc_data))
+    PROVIDE(__stop_svc_data = .);
+  } > RAM
+  
+  .fs_data :
+  {
+    PROVIDE(__start_fs_data = .);
+    KEEP(*(.fs_data))
+    PROVIDE(__stop_fs_data = .);
+  } > RAM
+} INSERT AFTER .data;
+
+INCLUDE "nrf52_common.ld"
diff --git a/tinyusb/hw/bsp/nrf/boards/itsybitsy_nrf52840/board.h b/tinyusb/hw/bsp/nrf/boards/itsybitsy_nrf52840/board.h
new file mode 100755
index 00000000..132173a8
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/itsybitsy_nrf52840/board.h
@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN         _PINNUM(0, 6)
+#define LED_STATE_ON    1
+
+// Button
+#define BUTTON_PIN      _PINNUM(0, 29)
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN     25
+#define UART_TX_PIN     24
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/tinyusb/hw/bsp/nrf/boards/itsybitsy_nrf52840/board.mk b/tinyusb/hw/bsp/nrf/boards/itsybitsy_nrf52840/board.mk
new file mode 100755
index 00000000..f31899eb
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/itsybitsy_nrf52840/board.mk
@@ -0,0 +1,10 @@
+MCU_VARIANT = nrf52840
+CFLAGS += -DNRF52840_XXAA
+
+$(BUILD)/$(PROJECT).zip: $(BUILD)/$(PROJECT).hex
+	adafruit-nrfutil dfu genpkg --dev-type 0x0052 --sd-req 0xFFFE --application $^ $@
+
+# flash using adafruit-nrfutil dfu
+flash: $(BUILD)/$(PROJECT).zip
+	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
+	adafruit-nrfutil --verbose dfu serial --package $^ -p $(SERIAL) -b 115200 --singlebank --touch 1200
diff --git a/tinyusb/hw/bsp/nrf/boards/itsybitsy_nrf52840/nrf52840_s140_v6.ld b/tinyusb/hw/bsp/nrf/boards/itsybitsy_nrf52840/nrf52840_s140_v6.ld
new file mode 100755
index 00000000..5314a4e9
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/itsybitsy_nrf52840/nrf52840_s140_v6.ld
@@ -0,0 +1,38 @@
+/* Linker script to configure memory regions. */
+
+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx)     : ORIGIN = 0x26000, LENGTH = 0xED000 - 0x26000
+
+  /* SRAM required by S132 depend on
+   * - Attribute Table Size
+   * - Vendor UUID count
+   * - Max ATT MTU
+   * - Concurrent connection peripheral + central + secure links
+   * - Event Len, HVN queue, Write CMD queue
+   */ 
+  RAM (rwx) :  ORIGIN = 0x20003400, LENGTH = 0x20040000 - 0x20003400
+}
+
+SECTIONS
+{
+  . = ALIGN(4);
+  .svc_data :
+  {
+    PROVIDE(__start_svc_data = .);
+    KEEP(*(.svc_data))
+    PROVIDE(__stop_svc_data = .);
+  } > RAM
+  
+  .fs_data :
+  {
+    PROVIDE(__start_fs_data = .);
+    KEEP(*(.fs_data))
+    PROVIDE(__stop_fs_data = .);
+  } > RAM
+} INSERT AFTER .data;
+
+INCLUDE "nrf52_common.ld"
diff --git a/tinyusb/hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.h b/tinyusb/hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.h
new file mode 100755
index 00000000..01dd1f24
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.h
@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN               _PINNUM(0, 23)
+#define LED_STATE_ON          0
+
+// Button
+#define BUTTON_PIN            _PINNUM(0, 18)
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN           2
+#define UART_TX_PIN           3
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/tinyusb/hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.mk b/tinyusb/hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.mk
new file mode 100755
index 00000000..3afa234a
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.mk
@@ -0,0 +1,15 @@
+MCU_VARIANT = nrf52840
+CFLAGS += -DNRF52840_XXAA
+
+LD_FILE = $(BOARD_PATH)/$(BOARD).ld
+
+# flash using Nordic nrfutil (pip3 install nrfutil)
+# 	make BOARD=nrf52840_mdk_dongle SERIAL=/dev/ttyACM0 all flash
+NRFUTIL = nrfutil
+
+$(BUILD)/$(PROJECT).zip: $(BUILD)/$(PROJECT).hex
+	$(NRFUTIL) pkg generate --hw-version 52 --sd-req 0x0000 --debug-mode --application $^ $@
+
+flash: $(BUILD)/$(PROJECT).zip
+	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
+	$(NRFUTIL) dfu usb-serial --package $^ -p $(SERIAL) -b 115200
\ No newline at end of file
diff --git a/tinyusb/hw/bsp/nrf/boards/nrf52840_mdk_dongle/nrf52840_mdk_dongle.ld b/tinyusb/hw/bsp/nrf/boards/nrf52840_mdk_dongle/nrf52840_mdk_dongle.ld
new file mode 100755
index 00000000..78eddc9c
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/nrf52840_mdk_dongle/nrf52840_mdk_dongle.ld
@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */
+
+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x1000, LENGTH = 0xE0000-0x1000
+  RAM (rwx) :  ORIGIN = 0x20000008, LENGTH = 0x3fff8
+}
+
+
+INCLUDE "nrf_common.ld"
diff --git a/tinyusb/hw/bsp/nrf/boards/pca10056/board.h b/tinyusb/hw/bsp/nrf/boards/pca10056/board.h
new file mode 100755
index 00000000..ab12d21a
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/pca10056/board.h
@@ -0,0 +1,50 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+// LED
+#define LED_PIN               13
+#define LED_STATE_ON          0
+
+// Button
+#define BUTTON_PIN            11
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN           8
+#define UART_TX_PIN           6
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/tinyusb/hw/bsp/nrf/boards/pca10056/board.mk b/tinyusb/hw/bsp/nrf/boards/pca10056/board.mk
new file mode 100755
index 00000000..be2ed331
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/pca10056/board.mk
@@ -0,0 +1,7 @@
+MCU_VARIANT = nrf52840
+CFLAGS += -DNRF52840_XXAA
+
+LD_FILE = hw/mcu/nordic/nrfx/mdk/nrf52840_xxaa.ld
+
+# flash using jlink
+flash: flash-jlink
diff --git a/tinyusb/hw/bsp/nrf/boards/pca10059/board.h b/tinyusb/hw/bsp/nrf/boards/pca10059/board.h
new file mode 100755
index 00000000..0810be64
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/pca10059/board.h
@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN               8
+#define LED_STATE_ON          0
+
+// Button
+#define BUTTON_PIN            _PINNUM(1, 6)
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN           8
+#define UART_TX_PIN           6
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/tinyusb/hw/bsp/nrf/boards/pca10059/board.mk b/tinyusb/hw/bsp/nrf/boards/pca10059/board.mk
new file mode 100755
index 00000000..0b82ecdb
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/pca10059/board.mk
@@ -0,0 +1,15 @@
+MCU_VARIANT = nrf52840
+CFLAGS += -DNRF52840_XXAA
+
+LD_FILE = $(BOARD_PATH)/$(BOARD).ld
+
+# flash using Nordic nrfutil (pip2 install nrfutil)
+# 	make BOARD=pca10059 SERIAL=/dev/ttyACM0 all flash
+NRFUTIL = nrfutil
+
+$(BUILD)/$(PROJECT).zip: $(BUILD)/$(PROJECT).hex
+	$(NRFUTIL) pkg generate --hw-version 52 --sd-req 0x0000 --debug-mode --application $^ $@
+
+flash: $(BUILD)/$(PROJECT).zip
+	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
+	$(NRFUTIL) dfu usb-serial --package $^ -p $(SERIAL) -b 115200
diff --git a/tinyusb/hw/bsp/nrf/boards/pca10059/pca10059.ld b/tinyusb/hw/bsp/nrf/boards/pca10059/pca10059.ld
new file mode 100755
index 00000000..510bfdd8
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/pca10059/pca10059.ld
@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */
+
+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x1000, LENGTH = 0xff000
+  RAM (rwx) :  ORIGIN = 0x20000008, LENGTH = 0x3fff8
+}
+
+
+INCLUDE "nrf_common.ld"
diff --git a/tinyusb/hw/bsp/nrf/boards/pca10100/board.h b/tinyusb/hw/bsp/nrf/boards/pca10100/board.h
new file mode 100755
index 00000000..88113303
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/pca10100/board.h
@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN               13
+#define LED_STATE_ON          0
+
+// Button
+#define BUTTON_PIN            11
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN           8
+#define UART_TX_PIN           6
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/tinyusb/hw/bsp/nrf/boards/pca10100/board.mk b/tinyusb/hw/bsp/nrf/boards/pca10100/board.mk
new file mode 100755
index 00000000..5fba269b
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/pca10100/board.mk
@@ -0,0 +1,7 @@
+MCU_VARIANT = nrf52833
+CFLAGS += -DNRF52833_XXAA
+
+LD_FILE = hw/mcu/nordic/nrfx/mdk/nrf52833_xxaa.ld
+
+# flash using jlink
+flash: flash-jlink
diff --git a/tinyusb/hw/bsp/nrf/boards/raytac_mdbt50q_rx/board.h b/tinyusb/hw/bsp/nrf/boards/raytac_mdbt50q_rx/board.h
new file mode 100755
index 00000000..dcf829d9
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/raytac_mdbt50q_rx/board.h
@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN               _PINNUM(1, 13)
+#define LED_STATE_ON          0
+
+// Button
+#define BUTTON_PIN            _PINNUM(0, 15)
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN     25
+#define UART_TX_PIN     24
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/tinyusb/hw/bsp/nrf/boards/raytac_mdbt50q_rx/board.mk b/tinyusb/hw/bsp/nrf/boards/raytac_mdbt50q_rx/board.mk
new file mode 100755
index 00000000..be2ed331
--- /dev/null
+++ b/tinyusb/hw/bsp/nrf/boards/raytac_mdbt50q_rx/board.mk
@@ -0,0 +1,7 @@
+MCU_VARIANT = nrf52840
+CFLAGS += -DNRF52840_XXAA
+
+LD_FILE = hw/mcu/nordic/nrfx/mdk/nrf52840_xxaa.ld
+
+# flash using jlink
+flash: flash-jlink