diff --git a/tests/drivers/flash/common/boards/fpb_ra4e1.conf b/tests/drivers/flash/common/boards/fpb_ra4e1.conf
new file mode 100644
index 00000000000..234ba7edbbe
--- /dev/null
+++ b/tests/drivers/flash/common/boards/fpb_ra4e1.conf
@@ -0,0 +1,4 @@
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_TEST_DRIVER_FLASH_SIZE=524288
diff --git a/tests/drivers/flash/common/boards/fpb_ra4e1.overlay b/tests/drivers/flash/common/boards/fpb_ra4e1.overlay
new file mode 100644
index 00000000000..a1c3e5f5fed
--- /dev/null
+++ b/tests/drivers/flash/common/boards/fpb_ra4e1.overlay
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2025 Renesas Electronics Corporation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/delete-node/ &storage_partition;
+
+&flash0 {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		/* Set 2 last blocks of the code flash as storage partition */
+		storage_partition: partition@70000 {
+			label = "storage";
+			reg = <0x70000 DT_SIZE_K(64)>;
+		};
+	};
+};
diff --git a/tests/drivers/flash/common/boards/voice_ra4e1.conf b/tests/drivers/flash/common/boards/voice_ra4e1.conf
new file mode 100644
index 00000000000..234ba7edbbe
--- /dev/null
+++ b/tests/drivers/flash/common/boards/voice_ra4e1.conf
@@ -0,0 +1,4 @@
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_TEST_DRIVER_FLASH_SIZE=524288
diff --git a/tests/drivers/flash/common/boards/voice_ra4e1.overlay b/tests/drivers/flash/common/boards/voice_ra4e1.overlay
new file mode 100644
index 00000000000..a1c3e5f5fed
--- /dev/null
+++ b/tests/drivers/flash/common/boards/voice_ra4e1.overlay
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2025 Renesas Electronics Corporation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/delete-node/ &storage_partition;
+
+&flash0 {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		/* Set 2 last blocks of the code flash as storage partition */
+		storage_partition: partition@70000 {
+			label = "storage";
+			reg = <0x70000 DT_SIZE_K(64)>;
+		};
+	};
+};