From 9cfc59eee05752db235ff7740a4f196f2ba0fc77 Mon Sep 17 00:00:00 2001
From: Bartlomiej Buczek <bartlomiej.buczek@nordicsemi.no>
Date: Fri, 19 Jul 2024 12:18:22 +0200
Subject: [PATCH] [nrf fromlist] tests: drivers: adc_accuracy

Add overlay and enable test for nrf54h20dk.

Upstream PR: https://github.com/zephyrproject-rtos/zephyr/pull/76088

Signed-off-by: Bartlomiej Buczek <bartlomiej.buczek@nordicsemi.no>
---
 .../boards/nrf54h20dk_nrf54h20_cpuapp.overlay | 26 +++++++++++++++++++
 .../adc/adc_accuracy_test/testcase.yaml       |  1 +
 2 files changed, 27 insertions(+)
 create mode 100644 tests/drivers/adc/adc_accuracy_test/boards/nrf54h20dk_nrf54h20_cpuapp.overlay

diff --git a/tests/drivers/adc/adc_accuracy_test/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/tests/drivers/adc/adc_accuracy_test/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 00000000000..20bd3110aff
--- /dev/null
+++ b/tests/drivers/adc/adc_accuracy_test/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,26 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ */
+
+/ {
+	zephyr,user {
+		io-channels = <&adc 0>;
+		reference_mv = <1800>;
+	};
+};
+
+&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_AIN4>;
+		zephyr,resolution = <14>;
+	};
+};
diff --git a/tests/drivers/adc/adc_accuracy_test/testcase.yaml b/tests/drivers/adc/adc_accuracy_test/testcase.yaml
index 901fb0d4e48..35716be89d3 100644
--- a/tests/drivers/adc/adc_accuracy_test/testcase.yaml
+++ b/tests/drivers/adc/adc_accuracy_test/testcase.yaml
@@ -20,3 +20,4 @@ tests:
       - frdm_kl25z
       - ek_ra8m1
       - nrf52840dk/nrf52840
+      - nrf54h20dk/nrf54h20/cpuapp