diff --git a/boards/arm/gd32e103v_eval/gd32e103v_eval-pinctrl.dtsi b/boards/arm/gd32e103v_eval/gd32e103v_eval-pinctrl.dtsi
index 420e4f40aa..4be138b4af 100644
--- a/boards/arm/gd32e103v_eval/gd32e103v_eval-pinctrl.dtsi
+++ b/boards/arm/gd32e103v_eval/gd32e103v_eval-pinctrl.dtsi
@@ -18,6 +18,12 @@
 		};
 	};
 
+	dac_default: dac_default {
+		group1 {
+			pinmux = <DAC_OUT0_PA4>;
+		};
+	};
+
 	i2c0_default: i2c0_default {
 		group1 {
 			pinmux = <I2C0_SCL_PB6_NORMP>, <I2C0_SDA_PB7_NORMP>;
diff --git a/boards/arm/gd32e103v_eval/gd32e103v_eval.dts b/boards/arm/gd32e103v_eval/gd32e103v_eval.dts
index 9430d4f8e6..5b78eae6dc 100644
--- a/boards/arm/gd32e103v_eval/gd32e103v_eval.dts
+++ b/boards/arm/gd32e103v_eval/gd32e103v_eval.dts
@@ -126,3 +126,9 @@
 		timeout = <5>;
 	};
 };
+
+&dac {
+	status = "okay";
+	pinctrl-0 = <&dac_default>;
+	pinctrl-names = "default";
+};
diff --git a/samples/drivers/dac/boards/gd32e103v_eval.overlay b/samples/drivers/dac/boards/gd32e103v_eval.overlay
new file mode 100644
index 0000000000..38aa2ea304
--- /dev/null
+++ b/samples/drivers/dac/boards/gd32e103v_eval.overlay
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2021 BrainCo Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	zephyr,user {
+		dac = <&dac>;
+		dac-channel-id = <0>;
+		dac-resolution = <12>;
+	};
+};