diff --git a/tests/drivers/build_all/sensor/adc.dtsi b/tests/drivers/build_all/sensor/adc.dtsi
index fb004abaf37..e5d24cc4f31 100644
--- a/tests/drivers/build_all/sensor/adc.dtsi
+++ b/tests/drivers/build_all/sensor/adc.dtsi
@@ -14,6 +14,16 @@ test_adc_mcp9700a: mcp9700a {
 	io-channels = <&test_adc 0>;
 };
 
+test_voltage: voltage {
+	status = "okay";
+	compatible = "voltage-divider";
+	io-channels = <&test_adc 1>;
+	io-channel-names = "VOLTAGE";
+	output-ohms = <47000>; /* R1 */
+	full-ohms = <(100000 + 47000)>; /* R2 + R1 */
+	power-gpios = <&test_gpio 0 0>;
+};
+
 test_current: current_amp {
 	status = "okay";
 	compatible = "current-sense-amplifier";
diff --git a/tests/drivers/build_all/sensor/app.overlay b/tests/drivers/build_all/sensor/app.overlay
index 6348c648e3c..629334bc396 100644
--- a/tests/drivers/build_all/sensor/app.overlay
+++ b/tests/drivers/build_all/sensor/app.overlay
@@ -32,6 +32,15 @@
 				zephyr,resolution = <12>;
 			};
 
+			channel@1 {
+				reg = <1>;
+				zephyr,gain = "ADC_GAIN_1_6";
+				zephyr,reference = "ADC_REF_INTERNAL";
+				zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+				zephyr,input-positive = <0>;
+				zephyr,resolution = <12>;
+			};
+
 			channel@2 {
 				reg = <2>;
 				zephyr,gain = "ADC_GAIN_1_6";