samples: drivers: adc: Enable samples for nrf54h20 PPR.

samples/drivers/adc/adc_dt/sample.yaml

@@ -20,6 +20,7 @@ tests:
       - nrf51dk/nrf51822
       - nrf52840dk/nrf52840
       - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpuppr
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
       - ophelia4ev/nrf54l15/cpuapp

samples/drivers/adc/adc_sequence/boards/nrf54h20dk_nrf54h20_common.dtsi

@@ -0,0 +1,50 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ */
+
+/ {
+	aliases {
+		adc0 = &adc;
+	};
+};
+
+&adc {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	channel@0 {
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1_2";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,input-positive = <NRF_SAADC_AIN1>; /* P1.01 */
+	};
+
+	channel@1 {
+		reg = <1>;
+		zephyr,gain = "ADC_GAIN_1_2";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,input-positive = <NRF_SAADC_AIN2>; /* P1.02 */
+	};
+
+	channel@2 {
+		reg = <2>;
+		zephyr,gain = "ADC_GAIN_1_2";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,input-positive = <NRF_SAADC_AIN9>; /* P9.01 */
+		zephyr,vref-mv = <3686>; /* 3.6V * 1024 */
+	};
+
+	channel@7 {
+		reg = <7>;
+		zephyr,gain = "ADC_GAIN_1_2";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,input-positive = <NRF_SAADC_AIN3>; /* P1.03 */
+		zephyr,input-negative = <NRF_SAADC_AIN7>; /* P1.07 */
+	};
+};

samples/drivers/adc/adc_sequence/boards/nrf54h20dk_nrf54h20_cpuapp.overlay

@@ -4,47 +4,4 @@
  * Copyright (c) 2024 Nordic Semiconductor ASA
  */
 
-/ {
-	aliases {
-		adc0 = &adc;
-	};
-};
-
-&adc {
-	#address-cells = <1>;
-	#size-cells = <0>;
-
-	channel@0 {
-		reg = <0>;
-		zephyr,gain = "ADC_GAIN_1_2";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,input-positive = <NRF_SAADC_AIN1>; /* P1.01 */
-	};
-
-	channel@1 {
-		reg = <1>;
-		zephyr,gain = "ADC_GAIN_1_2";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,input-positive = <NRF_SAADC_AIN2>; /* P1.02 */
-	};
-
-	channel@2 {
-		reg = <2>;
-		zephyr,gain = "ADC_GAIN_1_2";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,input-positive = <NRF_SAADC_AIN9>; /* P9.01 */
-		zephyr,vref-mv = <3686>; /* 3.6V * 1024 */
-	};
-
-	channel@7 {
-		reg = <7>;
-		zephyr,gain = "ADC_GAIN_1_2";
-		zephyr,reference = "ADC_REF_INTERNAL";
-		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-		zephyr,input-positive = <NRF_SAADC_AIN3>; /* P1.03 */
-		zephyr,input-negative = <NRF_SAADC_AIN7>; /* P1.07 */
-	};
-};
+#include "nrf54h20dk_nrf54h20_common.dtsi"

samples/drivers/adc/adc_sequence/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";
+};

samples/drivers/adc/adc_sequence/sample.yaml

@@ -20,6 +20,7 @@ tests:
       - cy8cproto_062_4343w
       - nrf52840dk/nrf52840
       - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpuppr
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
       - ophelia4ev/nrf54l15/cpuapp
@@ -33,6 +34,7 @@ tests:
   sample.drivers.adc.adc_sequence.8bit:
     platform_allow:
       - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpuppr
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
     integration_platforms:

samples/drivers/adc/adc_sequence/sysbuild/vpr_launcher/boards/nrf54h20dk_nrf54h20_cpuapp.overlay

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include "../../../boards/nrf54h20dk_nrf54h20_common.dtsi"
+
+&adc {
+	status = "reserved";
+	interrupt-parent = <&cpuppr_clic>;
+};

samples/drivers/adc/adc_sequence/sysbuild/vpr_launcher/prj.conf

@@ -0,0 +1 @@
+# nothing here