tests: power: tisci: TISCI power domains test

Test for power domains driver based on TISCI API added. This test is
for the target am243x_evm/am2434/r5f0_0.

Signed-off-by: Dave Joseph <d-joseph@ti.com>

tests/drivers/power/power_tisci/CMakeLists.txt

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(power_tisci)
+
+target_sources(app PRIVATE src/main.c)

tests/drivers/power/power_tisci/prj.conf

@@ -0,0 +1,9 @@
+# Copyright 2025 Texas Instruments Incorporated
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_ZTEST=y
+CONFIG_ASSERT=n
+CONFIG_PM_DEVICE=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_PM=y
+CONFIG_PM_DEVICE_RUNTIME=y

tests/drivers/power/power_tisci/src/main.c

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2025 Texas Instruments Incorporated
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/ztest.h>
+#include <zephyr/pm/device_runtime.h>
+#include <zephyr/devicetree.h>
+#include <zephyr/device.h>
+
+#define POWER_DOMAIN_NODE DT_NODELABEL(adc0_pd)
+
+ZTEST(tisci_power_domain, test_power_domain_runtime)
+{
+	const struct device *pd_dev = DEVICE_DT_GET(POWER_DOMAIN_NODE);
+
+	zassert_not_null(pd_dev, "Power domain device not found");
+	zassert_true(device_is_ready(pd_dev), "Power domain device not ready");
+
+	const struct device *dmsc = DEVICE_DT_GET(DT_NODELABEL(dmsc));
+
+	zassert_not_null(dmsc, "DMSC device not found");
+	zassert_true(device_is_ready(dmsc), "DMSC device not ready");
+
+	int ret;
+
+	/* Power on */
+	ret = pm_device_runtime_get(pd_dev);
+
+	zassert_ok(ret, "Failed to power ON");
+
+	/* Power off */
+	ret = pm_device_runtime_put(pd_dev);
+
+	zassert_ok(ret, "Failed to power OFF");
+
+	/* Power on again */
+	ret = pm_device_runtime_get(pd_dev);
+
+	zassert_ok(ret, "Failed to power ON again");
+
+	/* Power off again */
+	ret = pm_device_runtime_put(pd_dev);
+
+	zassert_ok(ret, "Failed to power OFF again");
+}
+
+ZTEST_SUITE(tisci_power_domain, NULL, NULL, NULL, NULL, NULL);

tests/drivers/power/power_tisci/testcase.yaml

@@ -0,0 +1,13 @@
+# Copyright 2025 Texas Instruments Incorporated
+# SPDX-License-Identifier: Apache-2.0
+
+tests:
+  drivers.power.power_tisci:
+    tags:
+      - drivers
+      - tisci
+    timeout: 500
+    integration_platforms:
+      - am243x_evm/am2434/r5f0_0
+    platform_allow:
+      - am243x_evm/am2434/r5f0_0