diff --git a/boards/arduino/mkrzero/arduino_mkr_connector.dtsi b/boards/arduino/mkrzero/arduino_mkr_connector.dtsi
index 0f16581d8b8bc..0fba02ef759e7 100644
--- a/boards/arduino/mkrzero/arduino_mkr_connector.dtsi
+++ b/boards/arduino/mkrzero/arduino_mkr_connector.dtsi
@@ -3,34 +3,36 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+#include <zephyr/dt-bindings/gpio/arduino-mkr-header.h>
+
 / {
 	arduino_mkr_header: connector {
 		compatible = "arduino-mkr-header";
 		#gpio-cells = <2>;
 		gpio-map-mask = <0xffffffff 0xffffffc0>;
 		gpio-map-pass-thru = <0 0x3f>;
-		gpio-map = <0  0 &porta 22 0>,  /* D0 */
-			   <1  0 &porta 23 0>,  /* D1 */
-			   <2  0 &porta 10 0>,  /* D2 */
-			   <3  0 &porta 11 0>,  /* D3 */
-			   <4  0 &portb 10 0>,  /* D4 */
-			   <5  0 &portb 11 0>,  /* D5 */
-			   <6  0 &porta 20 0>,  /* D6 */
-			   <7  0 &porta 21 0>,  /* D7 */
-			   <8  0 &porta 16 0>,  /* D8  / SPI-COPI */
-			   <9  0 &porta 17 0>,  /* D9  / SPI-SCK  */
-			   <10 0 &porta 19 0>,  /* D10 / SPI-CIPO */
-			   <11 0 &porta  8 0>,  /* D11 / I2C-SDA  */
-			   <12 0 &porta  9 0>,  /* D12 / I2C-SCL  */
-			   <13 0 &portb 23 0>,  /* D13 / UART-RX  */
-			   <14 0 &portb 22 0>,  /* D14 / UART-TX  */
-			   <15 0 &porta  2 0>,  /* D15 / A0 */
-			   <16 0 &portb  2 0>,  /* D16 / A1 */
-			   <17 0 &portb  3 0>,  /* D17 / A2 */
-			   <18 0 &porta  4 0>,  /* D18 / A3 */
-			   <19 0 &porta  5 0>,  /* D19 / A4 */
-			   <20 0 &porta  6 0>,  /* D20 / A5 */
-			   <21 0 &porta  7 0>;  /* D21 / A6 */
+		gpio-map = <ARDUINO_MKR_HEADER_D0  0 &porta 22 0>,  /* D0 */
+			   <ARDUINO_MKR_HEADER_D1  0 &porta 23 0>,  /* D1 */
+			   <ARDUINO_MKR_HEADER_D2  0 &porta 10 0>,  /* D2 */
+			   <ARDUINO_MKR_HEADER_D3  0 &porta 11 0>,  /* D3 */
+			   <ARDUINO_MKR_HEADER_D4  0 &portb 10 0>,  /* D4 */
+			   <ARDUINO_MKR_HEADER_D5  0 &portb 11 0>,  /* D5 */
+			   <ARDUINO_MKR_HEADER_D6  0 &porta 20 0>,  /* D6 */
+			   <ARDUINO_MKR_HEADER_D7  0 &porta 21 0>,  /* D7 */
+			   <ARDUINO_MKR_HEADER_D8  0 &porta 16 0>,  /* D8  / SPI-COPI */
+			   <ARDUINO_MKR_HEADER_D9  0 &porta 17 0>,  /* D9  / SPI-SCK  */
+			   <ARDUINO_MKR_HEADER_D10 0 &porta 19 0>,  /* D10 / SPI-CIPO */
+			   <ARDUINO_MKR_HEADER_D11 0 &porta  8 0>,  /* D11 / I2C-SDA  */
+			   <ARDUINO_MKR_HEADER_D12 0 &porta  9 0>,  /* D12 / I2C-SCL  */
+			   <ARDUINO_MKR_HEADER_D13 0 &portb 23 0>,  /* D13 / UART-RX  */
+			   <ARDUINO_MKR_HEADER_D14 0 &portb 22 0>,  /* D14 / UART-TX  */
+			   <ARDUINO_MKR_HEADER_A0  0 &porta  2 0>,  /* D15 / A0 */
+			   <ARDUINO_MKR_HEADER_A1  0 &portb  2 0>,  /* D16 / A1 */
+			   <ARDUINO_MKR_HEADER_A2  0 &portb  3 0>,  /* D17 / A2 */
+			   <ARDUINO_MKR_HEADER_A3  0 &porta  4 0>,  /* D18 / A3 */
+			   <ARDUINO_MKR_HEADER_A4  0 &porta  5 0>,  /* D19 / A4 */
+			   <ARDUINO_MKR_HEADER_A5  0 &porta  6 0>,  /* D20 / A5 */
+			   <ARDUINO_MKR_HEADER_A6  0 &porta  7 0>;  /* D21 / A6 */
 	};
 };
 
diff --git a/include/zephyr/dt-bindings/gpio/arduino-mkr-header.h b/include/zephyr/dt-bindings/gpio/arduino-mkr-header.h
new file mode 100644
index 0000000000000..d6c511424252d
--- /dev/null
+++ b/include/zephyr/dt-bindings/gpio/arduino-mkr-header.h
@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) 2025 TOKITA Hiroshi
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_GPIO_ARDUINO_MKR_HEADER_H_
+#define ZEPHYR_INCLUDE_DT_BINDINGS_GPIO_ARDUINO_MKR_HEADER_H_
+
+#define ARDUINO_MKR_HEADER_D0  0
+#define ARDUINO_MKR_HEADER_D1  1
+#define ARDUINO_MKR_HEADER_D2  2
+#define ARDUINO_MKR_HEADER_D3  3
+#define ARDUINO_MKR_HEADER_D4  4
+#define ARDUINO_MKR_HEADER_D5  5
+#define ARDUINO_MKR_HEADER_D6  6
+#define ARDUINO_MKR_HEADER_D7  7
+#define ARDUINO_MKR_HEADER_D8  8
+#define ARDUINO_MKR_HEADER_D9  9
+#define ARDUINO_MKR_HEADER_D10 10
+#define ARDUINO_MKR_HEADER_D11 11
+#define ARDUINO_MKR_HEADER_D12 12
+#define ARDUINO_MKR_HEADER_D13 13
+#define ARDUINO_MKR_HEADER_D14 14
+#define ARDUINO_MKR_HEADER_A0  15
+#define ARDUINO_MKR_HEADER_A1  16
+#define ARDUINO_MKR_HEADER_A2  17
+#define ARDUINO_MKR_HEADER_A3  18
+#define ARDUINO_MKR_HEADER_A4  19
+#define ARDUINO_MKR_HEADER_A5  20
+#define ARDUINO_MKR_HEADER_A6  21
+
+#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_GPIO_ARDUINO_MKR_HEADER_H_ */