tests: drivers: grtc: Add test for clear grtc after system and pin reset

Add test for clear grtc after system and pin reset

Signed-off-by: Piotr Krzyzanowski <[email protected]>

Author: nordic-pikr

tests/drivers/grtc/grtc_reset/CMakeLists.txt

@@ -0,0 +1,13 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(grtc_reset)
+
+FILE(GLOB app_sources src/main.c)
+target_sources(app PRIVATE ${app_sources})

tests/drivers/grtc/grtc_reset/prj.conf

@@ -0,0 +1 @@
+CONFIG_LOG=y

tests/drivers/grtc/grtc_reset/pytest/tests.py

@@ -0,0 +1,50 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+import logging
+import re
+import subprocess
+import time
+
+from twister_harness import DeviceAdapter
+
+logger = logging.getLogger(__name__)
+
+def reset_dut(dut: DeviceAdapter, reset_kind: str = "RESET_PIN"):
+    cmd = [
+        "nrfutil",
+        "device",
+        "reset",
+        "--reset-kind",
+        reset_kind,
+        "--serial-number",
+        dut.device_config.id.lstrip("0"),
+    ]
+    subprocess.run(cmd, stderr=subprocess.STDOUT).decode("utf-8")
+
+def get_cycle_and_uptime_from_logs(dut: DeviceAdapter):
+    lines = dut.readlines_until(num_of_lines=5)
+    for line in lines:
+        match_cycle = re.search(r'k_cycle_get_32\s*=\s*(\d+)', line)
+        if match_cycle:
+            cycle=(int(match_cycle.group(1)))
+        match_uptime = re.search(r'k_uptime_get\s*=\s*(\d+)', line)
+        if match_uptime:
+            uptime=(int(match_uptime.group(1)))
+    return cycle, uptime
+
+
+def test_grtc_reset(dut: DeviceAdapter):
+    cycle, uptime = get_cycle_and_uptime_from_logs(dut)
+    reset_dut(dut, reset_kind="RESET_SYSTEM")
+    cycle_system, uptime_system = get_cycle_and_uptime_from_logs(dut)
+    reset_dut(dut, reset_kind="RESET_PIN")
+    cycle_pin, uptime_pin = get_cycle_and_uptime_from_logs(dut)
+    assert uptime in range(10, 14)
+    assert cycle_system > cycle
+    assert uptime_system < 3
+    assert cycle_pin < cycle_system
+    assert uptime_pin < 3

tests/drivers/grtc/grtc_reset/src/main.c

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <zephyr/kernel.h>
+#include <zephyr/logging/log.h>
+
+
+LOG_MODULE_REGISTER(idle);
+
+int main(void)
+{
+	LOG_INF("GRTC reset test");
+	LOG_INF("k_cycle_get_32 = %u", k_cycle_get_32());
+	LOG_INF("k_uptime_get = %llu", k_uptime_get());
+	return 0;
+}

tests/drivers/grtc/grtc_reset/testcase.yaml

@@ -0,0 +1,22 @@
+tests:
+  drivers.grtc.grtc_reset:
+    sysbuild: true
+    tags:
+      - drivers
+      - grtc
+      - ci_tests_drivers_grtc
+    platform_allow:
+      - nrf54l15dk/nrf54l05/cpuapp
+      - nrf54l15dk/nrf54l10/cpuapp
+      - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54lm20dk/nrf54lm20a/cpuapp
+      - nrf54ls05dk/nrf54ls05b/cpuapp
+      - [email protected]/nrf54ls05b/cpuapp
+      - nrf54lv10dk/nrf54lv10a/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
+    integration_platforms:
+      - nrf54h20dk/nrf54h20/cpuapp
+    harness: pytest
+    harness_config:
+      pytest_root:
+        - pytest/tests.py::test_grtc_reset"