diff --git a/boards/renesas/ek_ra8d1/doc/index.rst b/boards/renesas/ek_ra8d1/doc/index.rst
index 3105c019c4b..b79471899a4 100644
--- a/boards/renesas/ek_ra8d1/doc/index.rst
+++ b/boards/renesas/ek_ra8d1/doc/index.rst
@@ -98,6 +98,8 @@ The below features are currently supported on Zephyr OS for EK-RA8D1 board:
 +--------------+------------+------------------+
 | CLOCK        | on-chip    | clock control    |
 +--------------+------------+------------------+
+| ENTROPY      | on-chip    | entropy          |
++--------------+------------+------------------+
 
 Other hardware features are currently not supported by the port.
 
diff --git a/boards/renesas/ek_ra8d1/ek_ra8d1.dts b/boards/renesas/ek_ra8d1/ek_ra8d1.dts
index 3d5876abe16..55e050551b8 100644
--- a/boards/renesas/ek_ra8d1/ek_ra8d1.dts
+++ b/boards/renesas/ek_ra8d1/ek_ra8d1.dts
@@ -19,6 +19,7 @@
 		zephyr,flash = &flash0;
 		zephyr,console = &uart9;
 		zephyr,shell-uart = &uart9;
+		zephyr,entropy = &trng;
 	};
 
 	leds {
@@ -99,3 +100,7 @@
 		status = "okay";
 	};
 };
+
+&trng {
+	status = "okay";
+};
diff --git a/boards/renesas/mck_ra8t1/doc/index.rst b/boards/renesas/mck_ra8t1/doc/index.rst
index 0afab1cbdf9..41ebb058c4e 100644
--- a/boards/renesas/mck_ra8t1/doc/index.rst
+++ b/boards/renesas/mck_ra8t1/doc/index.rst
@@ -96,6 +96,8 @@ The below features are currently supported on Zephyr OS for MCB-RA8T1 board:
 +--------------+------------+----------------------+
 | CLOCK        | on-chip    | clock control        |
 +--------------+------------+----------------------+
+| ENTROPY      | on-chip    | entropy              |
++--------------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 
diff --git a/boards/renesas/mck_ra8t1/mck_ra8t1.dts b/boards/renesas/mck_ra8t1/mck_ra8t1.dts
index af069c824a6..99a9124899f 100644
--- a/boards/renesas/mck_ra8t1/mck_ra8t1.dts
+++ b/boards/renesas/mck_ra8t1/mck_ra8t1.dts
@@ -19,6 +19,7 @@
 		zephyr,flash = &flash0;
 		zephyr,console = &uart3;
 		zephyr,shell-uart = &uart3;
+		zephyr,entropy = &trng;
 	};
 
 	leds {
@@ -93,3 +94,7 @@
 		status = "okay";
 	};
 };
+
+&trng {
+	status = "okay";
+};