diff --git a/tests/drivers/adc/adc_accuracy_test/testcase.yaml b/tests/drivers/adc/adc_accuracy_test/testcase.yaml
index 03f122f9cdaae..1f2f7c0fcfeb0 100644
--- a/tests/drivers/adc/adc_accuracy_test/testcase.yaml
+++ b/tests/drivers/adc/adc_accuracy_test/testcase.yaml
@@ -22,6 +22,7 @@ tests:
       - frdm_mcxc444
       - nrf52840dk/nrf52840
       - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpuppr
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
       - ophelia4ev/nrf54l15/cpuapp
diff --git a/tests/drivers/adc/adc_error_cases/boards/nrf54h20dk_nrf54h20_common.dtsi b/tests/drivers/adc/adc_error_cases/boards/nrf54h20dk_nrf54h20_common.dtsi
new file mode 100644
index 0000000000000..bb3597397b96b
--- /dev/null
+++ b/tests/drivers/adc/adc_error_cases/boards/nrf54h20dk_nrf54h20_common.dtsi
@@ -0,0 +1,11 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ */
+
+/ {
+	aliases {
+		adc = &adc;
+	};
+};
diff --git a/tests/drivers/adc/adc_error_cases/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/tests/drivers/adc/adc_error_cases/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
index 18e74f72ee261..efc3d8f64b45e 100644
--- a/tests/drivers/adc/adc_error_cases/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
+++ b/tests/drivers/adc/adc_error_cases/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -1,11 +1,7 @@
 /*
  * SPDX-License-Identifier: Apache-2.0
  *
- * Copyright (c) 2024 Nordic Semiconductor ASA
+ * Copyright (c) 2025 Nordic Semiconductor ASA
  */
 
-/ {
-	aliases {
-		adc = &adc;
-	};
-};
+#include "nrf54h20dk_nrf54h20_common.dtsi"
diff --git a/tests/drivers/adc/adc_error_cases/boards/nrf54h20dk_nrf54h20_cpuppr.overlay b/tests/drivers/adc/adc_error_cases/boards/nrf54h20dk_nrf54h20_cpuppr.overlay
new file mode 100644
index 0000000000000..bcd359c3aa23d
--- /dev/null
+++ b/tests/drivers/adc/adc_error_cases/boards/nrf54h20dk_nrf54h20_cpuppr.overlay
@@ -0,0 +1,11 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ */
+
+#include "nrf54h20dk_nrf54h20_common.dtsi"
+
+&adc {
+	status = "okay";
+};
diff --git a/tests/drivers/adc/adc_error_cases/testcase.yaml b/tests/drivers/adc/adc_error_cases/testcase.yaml
index 57513c78e156b..739efb7356320 100644
--- a/tests/drivers/adc/adc_error_cases/testcase.yaml
+++ b/tests/drivers/adc/adc_error_cases/testcase.yaml
@@ -11,6 +11,7 @@ tests:
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
       - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpuppr
       - ophelia4ev/nrf54l15/cpuapp
       - xg24_rb4187c
       - xg27_dk2602a