Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c

Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/hw/bsp/nrf/boards/adafruit_clue/board.h b/hw/bsp/nrf/boards/adafruit_clue/board.h
new file mode 100644
index 0000000..2c58e8f
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/adafruit_clue/board.mk b/hw/bsp/nrf/boards/adafruit_clue/board.mk
new file mode 100644
index 0000000..f31899e
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/adafruit_clue/nrf52840_s140_v6.ld b/hw/bsp/nrf/boards/adafruit_clue/nrf52840_s140_v6.ld
new file mode 100755
index 0000000..5314a4e
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/arduino_nano33_ble/arduino_nano33_ble.ld b/hw/bsp/nrf/boards/arduino_nano33_ble/arduino_nano33_ble.ld
new file mode 100755
index 0000000..f570740
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/arduino_nano33_ble/board.h b/hw/bsp/nrf/boards/arduino_nano33_ble/board.h
new file mode 100644
index 0000000..d548e01
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/arduino_nano33_ble/board.mk b/hw/bsp/nrf/boards/arduino_nano33_ble/board.mk
new file mode 100644
index 0000000..94babd8
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/circuitplayground_bluefruit/board.h b/hw/bsp/nrf/boards/circuitplayground_bluefruit/board.h
new file mode 100644
index 0000000..a86c9dc
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/circuitplayground_bluefruit/board.mk b/hw/bsp/nrf/boards/circuitplayground_bluefruit/board.mk
new file mode 100644
index 0000000..f31899e
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/circuitplayground_bluefruit/nrf52840_s140_v6.ld b/hw/bsp/nrf/boards/circuitplayground_bluefruit/nrf52840_s140_v6.ld
new file mode 100755
index 0000000..5314a4e
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/feather_nrf52840_express/board.h b/hw/bsp/nrf/boards/feather_nrf52840_express/board.h
new file mode 100644
index 0000000..3208a94
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/feather_nrf52840_express/board.mk b/hw/bsp/nrf/boards/feather_nrf52840_express/board.mk
new file mode 100644
index 0000000..f31899e
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/feather_nrf52840_express/nrf52840_s140_v6.ld b/hw/bsp/nrf/boards/feather_nrf52840_express/nrf52840_s140_v6.ld
new file mode 100644
index 0000000..5314a4e
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/feather_nrf52840_sense/board.h b/hw/bsp/nrf/boards/feather_nrf52840_sense/board.h
new file mode 100644
index 0000000..ece6e34
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/feather_nrf52840_sense/board.mk b/hw/bsp/nrf/boards/feather_nrf52840_sense/board.mk
new file mode 100644
index 0000000..f31899e
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/feather_nrf52840_sense/nrf52840_s140_v6.ld b/hw/bsp/nrf/boards/feather_nrf52840_sense/nrf52840_s140_v6.ld
new file mode 100644
index 0000000..5314a4e
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/itsybitsy_nrf52840/board.h b/hw/bsp/nrf/boards/itsybitsy_nrf52840/board.h
new file mode 100644
index 0000000..132173a
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/itsybitsy_nrf52840/board.mk b/hw/bsp/nrf/boards/itsybitsy_nrf52840/board.mk
new file mode 100644
index 0000000..f31899e
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/itsybitsy_nrf52840/nrf52840_s140_v6.ld b/hw/bsp/nrf/boards/itsybitsy_nrf52840/nrf52840_s140_v6.ld
new file mode 100644
index 0000000..5314a4e
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.h b/hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.h
new file mode 100644
index 0000000..01dd1f2
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.mk b/hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.mk
new file mode 100644
index 0000000..3afa234
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/nrf52840_mdk_dongle/nrf52840_mdk_dongle.ld b/hw/bsp/nrf/boards/nrf52840_mdk_dongle/nrf52840_mdk_dongle.ld
new file mode 100644
index 0000000..78eddc9
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/pca10056/board.h b/hw/bsp/nrf/boards/pca10056/board.h
new file mode 100644
index 0000000..ab12d21
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/pca10056/board.mk b/hw/bsp/nrf/boards/pca10056/board.mk
new file mode 100644
index 0000000..be2ed33
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/pca10059/board.h b/hw/bsp/nrf/boards/pca10059/board.h
new file mode 100644
index 0000000..0810be6
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/pca10059/board.mk b/hw/bsp/nrf/boards/pca10059/board.mk
new file mode 100644
index 0000000..0b82ecd
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/pca10059/pca10059.ld b/hw/bsp/nrf/boards/pca10059/pca10059.ld
new file mode 100644
index 0000000..510bfdd
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/pca10100/board.h b/hw/bsp/nrf/boards/pca10100/board.h
new file mode 100644
index 0000000..8811330
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/pca10100/board.mk b/hw/bsp/nrf/boards/pca10100/board.mk
new file mode 100644
index 0000000..5fba269
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/raytac_mdbt50q_rx/board.h b/hw/bsp/nrf/boards/raytac_mdbt50q_rx/board.h
new file mode 100644
index 0000000..dcf829d
--- /dev/null
+++ b/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/hw/bsp/nrf/boards/raytac_mdbt50q_rx/board.mk b/hw/bsp/nrf/boards/raytac_mdbt50q_rx/board.mk
new file mode 100644
index 0000000..be2ed33
--- /dev/null
+++ b/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
diff --git a/hw/bsp/nrf/family.c b/hw/bsp/nrf/family.c
new file mode 100644
index 0000000..ed742da
--- /dev/null
+++ b/hw/bsp/nrf/family.c
@@ -0,0 +1,224 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 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.
+ */
+
+#include "bsp/board.h"
+#include "board.h"
+
+#include "nrfx.h"
+#include "nrfx/hal/nrf_gpio.h"
+#include "nrfx/drivers/include/nrfx_power.h"
+#include "nrfx/drivers/include/nrfx_uarte.h"
+
+#ifdef SOFTDEVICE_PRESENT
+#include "nrf_sdm.h"
+#include "nrf_soc.h"
+#endif
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USBD_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+/*------------------------------------------------------------------*/
+/* MACRO TYPEDEF CONSTANT ENUM
+ *------------------------------------------------------------------*/
+
+static nrfx_uarte_t _uart_id = NRFX_UARTE_INSTANCE(0);
+
+// tinyusb function that handles power event (detected, ready, removed)
+// We must call it within SD's SOC event handler, or set it as power event handler if SD is not enabled.
+extern void tusb_hal_nrf_power_event(uint32_t event);
+
+
+// nrf power callback, could be unused if SD is enabled or usb is disabled (board_test example)
+TU_ATTR_UNUSED static void power_event_handler(nrfx_power_usb_evt_t event)
+{
+  tusb_hal_nrf_power_event((uint32_t) event);
+}
+
+void board_init(void)
+{
+  // stop LF clock just in case we jump from application without reset
+  NRF_CLOCK->TASKS_LFCLKSTOP = 1UL;
+
+  // Use Internal OSC to compatible with all boards
+  NRF_CLOCK->LFCLKSRC = CLOCK_LFCLKSRC_SRC_RC;
+  NRF_CLOCK->TASKS_LFCLKSTART = 1UL;
+
+  // LED
+  nrf_gpio_cfg_output(LED_PIN);
+  board_led_write(false);
+
+  // Button
+  nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP);
+
+  // 1ms tick timer
+  SysTick_Config(SystemCoreClock/1000);
+
+  // UART
+  nrfx_uarte_config_t uart_cfg =
+  {
+    .pseltxd   = UART_TX_PIN,
+    .pselrxd   = UART_RX_PIN,
+    .pselcts   = NRF_UARTE_PSEL_DISCONNECTED,
+    .pselrts   = NRF_UARTE_PSEL_DISCONNECTED,
+    .p_context = NULL,
+    .baudrate  = NRF_UARTE_BAUDRATE_115200, // CFG_BOARD_UART_BAUDRATE
+    .interrupt_priority = 7,
+    .hal_cfg = {
+      .hwfc      = NRF_UARTE_HWFC_DISABLED,
+      .parity    = NRF_UARTE_PARITY_EXCLUDED,
+    }
+  };
+
+  nrfx_uarte_init(&_uart_id, &uart_cfg, NULL); //uart_handler);
+
+  //------------- USB -------------//
+#if TUSB_OPT_DEVICE_ENABLED
+  // Priorities 0, 1, 4 (nRF52) are reserved for SoftDevice
+  // 2 is highest for application
+  NVIC_SetPriority(USBD_IRQn, 2);
+
+  // USB power may already be ready at this time -> no event generated
+  // We need to invoke the handler based on the status initially
+  uint32_t usb_reg;
+
+#ifdef SOFTDEVICE_PRESENT
+  uint8_t sd_en = false;
+  sd_softdevice_is_enabled(&sd_en);
+
+  if ( sd_en ) {
+    sd_power_usbdetected_enable(true);
+    sd_power_usbpwrrdy_enable(true);
+    sd_power_usbremoved_enable(true);
+
+    sd_power_usbregstatus_get(&usb_reg);
+  }else
+#endif
+  {
+    // Power module init
+    const nrfx_power_config_t pwr_cfg = { 0 };
+    nrfx_power_init(&pwr_cfg);
+
+    // Register tusb function as USB power handler
+    // cause cast-function-type warning
+    const nrfx_power_usbevt_config_t config = { .handler = power_event_handler };
+    nrfx_power_usbevt_init(&config);
+
+    nrfx_power_usbevt_enable();
+
+    usb_reg = NRF_POWER->USBREGSTATUS;
+  }
+
+  if ( usb_reg & POWER_USBREGSTATUS_VBUSDETECT_Msk ) tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_DETECTED);
+  if ( usb_reg & POWER_USBREGSTATUS_OUTPUTRDY_Msk  ) tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_READY);
+#endif
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  nrf_gpio_pin_write(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+}
+
+uint32_t board_button_read(void)
+{
+  return BUTTON_STATE_ACTIVE == nrf_gpio_pin_read(BUTTON_PIN);
+}
+
+int board_uart_read(uint8_t* buf, int len)
+{
+  (void) buf; (void) len;
+  return 0;
+//  return NRFX_SUCCESS == nrfx_uart_rx(&_uart_id, buf, (size_t) len) ? len : 0;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+  return (NRFX_SUCCESS == nrfx_uarte_tx(&_uart_id, (uint8_t const*) buf, (size_t) len)) ? len : 0;
+}
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+void SysTick_Handler (void)
+{
+  system_ticks++;
+}
+
+uint32_t board_millis(void)
+{
+  return system_ticks;
+}
+#endif
+
+#ifdef SOFTDEVICE_PRESENT
+// process SOC event from SD
+uint32_t proc_soc(void)
+{
+  uint32_t soc_evt;
+  uint32_t err = sd_evt_get(&soc_evt);
+
+  if (NRF_SUCCESS == err)
+  {
+    /*------------- usb power event handler -------------*/
+    int32_t usbevt = (soc_evt == NRF_EVT_POWER_USB_DETECTED   ) ? NRFX_POWER_USB_EVT_DETECTED:
+                     (soc_evt == NRF_EVT_POWER_USB_POWER_READY) ? NRFX_POWER_USB_EVT_READY   :
+                     (soc_evt == NRF_EVT_POWER_USB_REMOVED    ) ? NRFX_POWER_USB_EVT_REMOVED : -1;
+
+    if ( usbevt >= 0) tusb_hal_nrf_power_event(usbevt);
+  }
+
+  return err;
+}
+
+uint32_t proc_ble(void)
+{
+  // do nothing with ble
+  return NRF_ERROR_NOT_FOUND;
+}
+
+void SD_EVT_IRQHandler(void)
+{
+  // process BLE and SOC until there is no more events
+  while( (NRF_ERROR_NOT_FOUND != proc_ble()) || (NRF_ERROR_NOT_FOUND != proc_soc()) )
+  {
+
+  }
+}
+
+void nrf_error_cb(uint32_t id, uint32_t pc, uint32_t info)
+{
+  (void) id;
+  (void) pc;
+  (void) info;
+}
+#endif
diff --git a/hw/bsp/nrf/family.mk b/hw/bsp/nrf/family.mk
new file mode 100644
index 0000000..d8283a9
--- /dev/null
+++ b/hw/bsp/nrf/family.mk
@@ -0,0 +1,48 @@
+UF2_FAMILY_ID = 0xADA52840
+DEPS_SUBMODULES += lib/CMSIS_5 hw/mcu/nordic/nrfx
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+CFLAGS += \
+  -flto \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m4 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -DCFG_TUSB_MCU=OPT_MCU_NRF5X \
+  -DCONFIG_GPIO_AS_PINRESET
+
+# suppress warning caused by vendor mcu driver
+CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align -Wno-error=cast-qual
+
+# All source paths should be relative to the top level.
+LD_FILE ?= hw/bsp/nrf/boards/$(BOARD)/nrf52840_s140_v6.ld
+
+LDFLAGS += -L$(TOP)/hw/mcu/nordic/nrfx/mdk
+
+SRC_C += \
+  src/portable/nordic/nrf5x/dcd_nrf5x.c \
+  hw/mcu/nordic/nrfx/drivers/src/nrfx_power.c \
+  hw/mcu/nordic/nrfx/drivers/src/nrfx_uarte.c \
+  hw/mcu/nordic/nrfx/mdk/system_$(MCU_VARIANT).c
+
+INC += \
+  $(TOP)/$(BOARD_PATH) \
+  $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
+  $(TOP)/hw/mcu/nordic \
+  $(TOP)/hw/mcu/nordic/nrfx \
+  $(TOP)/hw/mcu/nordic/nrfx/mdk \
+  $(TOP)/hw/mcu/nordic/nrfx/hal \
+  $(TOP)/hw/mcu/nordic/nrfx/drivers/include \
+  $(TOP)/hw/mcu/nordic/nrfx/drivers/src \
+
+SRC_S += hw/mcu/nordic/nrfx/mdk/gcc_startup_$(MCU_VARIANT).S
+
+ASFLAGS += -D__HEAP_SIZE=0
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM4F
+
+# For flash-jlink target
+JLINK_DEVICE = $(MCU_VARIANT)_xxaa