diff --git a/boards/matrixportal_m4/board.mk b/boards/matrixportal_m4/board.mk
new file mode 100644
index 00000000..c17f5fba
--- /dev/null
+++ b/boards/matrixportal_m4/board.mk
@@ -0,0 +1,2 @@
+CHIP_FAMILY = samd51
+CHIP_VARIANT = SAMD51J19A
diff --git a/boards/matrixportal_m4/board_config.h b/boards/matrixportal_m4/board_config.h
new file mode 100644
index 00000000..2e94ecb9
--- /dev/null
+++ b/boards/matrixportal_m4/board_config.h
@@ -0,0 +1,29 @@
+#ifndef BOARD_CONFIG_H
+#define BOARD_CONFIG_H
+
+#define VENDOR_NAME "Adafruit Industries"
+#define PRODUCT_NAME "Matrix Portal M4"
+#define VOLUME_LABEL "MATRIXBOOT"
+#define INDEX_URL "http://adafru.it/4745"
+#define BOARD_ID "SAMD51J19A-MatrixPortal-v0"
+
+#define USB_VID 0x239A
+#define USB_PID 0x00C9
+
+//#define LED_PIN PIN_PA23
+
+#define BOARD_NEOPIXEL_PIN PIN_PA23
+#define BOARD_NEOPIXEL_COUNT 1
+
+#define BOOT_USART_MODULE                 SERCOM1
+#define BOOT_USART_MASK                   APBAMASK
+#define BOOT_USART_BUS_CLOCK_INDEX        MCLK_APBAMASK_SERCOM0
+#define BOOT_USART_PAD_SETTINGS           UART_RX_PAD1_TX_PAD0
+#define BOOT_USART_PAD3                   PINMUX_UNUSED
+#define BOOT_USART_PAD2                   PINMUX_UNUSED
+#define BOOT_USART_PAD1                   PINMUX_PA01D_SERCOM1_PAD1
+#define BOOT_USART_PAD0                   PINMUX_PA00D_SERCOM1_PAD0
+#define BOOT_GCLK_ID_CORE                 SERCOM1_GCLK_ID_CORE
+#define BOOT_GCLK_ID_SLOW                 SERCOM1_GCLK_ID_SLOW
+
+#endif