tests: benchmarks: Add sysoff with mem retention test.

Add tests combining system off and  memory retention with current
consumption checking.

Signed-off-by: Bartlomiej Buczek <[email protected]>

Author: nordic-babu

tests/benchmarks/current_consumption/system_off/CMakeLists.txt

@@ -5,7 +5,11 @@
 #
 
 cmake_minimum_required(VERSION 3.20.0)
+set(KCONFIG_ROOT $ENV{ZEPHYR_BASE}/samples/boards/nordic/system_off/Kconfig)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(system_off)
 
 target_sources(app PRIVATE $ENV{ZEPHYR_BASE}/samples/boards/nordic/system_off/src/main.c)
+if(CONFIG_APP_USE_RETAINED_MEM)
+  target_sources(app PRIVATE $ENV{ZEPHYR_BASE}/samples/boards/nordic/system_off/src/retained.c)
+endif()

tests/benchmarks/current_consumption/system_off/boards/nrf54l15dk_nrf54l15_cpuapp_ret_mem.overlay

@@ -0,0 +1,23 @@
+/ {
+	cpuapp_sram@2002e000 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x2002e000 DT_SIZE_K(4)>;
+		zephyr,memory-region = "RetainedMem";
+		status = "okay";
+
+		retainedmem0: retainedmem {
+			compatible = "zephyr,retained-ram";
+			status = "okay";
+		};
+	};
+
+	aliases {
+		retainedmemdevice = &retainedmem0;
+	};
+};
+
+&cpuapp_sram {
+	/* Shrink SRAM size to avoid overlap with retained memory region */
+	reg = <0x20000000 DT_SIZE_K(184)>;
+	ranges = <0x0 0x20000000 0x2e000>;
+};

tests/benchmarks/current_consumption/system_off/testcase.yaml

@@ -15,3 +15,21 @@ tests:
       pytest_root:
         - "${CUSTOM_ROOT_TEST_DIR}/test_measure_power_consumption.py::test_measure_and_data_dump_power_consumption_with_wakeups"
     timeout: 80
+  benchmarks.current_consumption.systemoff.gpio_wakeup_retained_mem:
+    platform_allow:
+      - nrf54l15dk/nrf54l15/cpuapp
+    integration_platforms:
+      - nrf54l15dk/nrf54l15/cpuapp
+    extra_args:
+      - "DTC_OVERLAY_FILE=
+         boards/nrf54l15dk_nrf54l15_cpuapp_gpio_wakeup.overlay;
+         boards/nrf54l15dk_nrf54l15_cpuapp_ret_mem.overlay"
+    extra_configs:
+      - CONFIG_APP_USE_RETAINED_MEM=y
+      - CONFIG_RETAINED_MEM=y
+    harness: pytest
+    harness_config:
+      fixture: ppk_power_measure
+      pytest_root:
+        - "${CUSTOM_ROOT_TEST_DIR}/test_measure_power_consumption.py::test_measure_and_data_dump_power_consumption_with_wakeups"
+    timeout: 80