samples: basic: blinky: Extend upstream sample

Add sample that reuses source code from "original" sample that
existing in the upstream Zephyr.

Extend sample with configuration that uses emulated GPIO
instead of "ordinary" GPIO.

Remove Twister alt-config for upstream sample.

Signed-off-by: Sebastian Głąb <[email protected]>

CODEOWNERS

@@ -439,6 +439,7 @@
 /samples/CMakeLists.txt                   @nrfconnect/ncs-co-build-system
 /samples/app_event_manager/               @nrfconnect/ncs-si-muffin @nrfconnect/ncs-si-bluebagel
 /samples/app_event_manager_profiler_tracer/ @nrfconnect/ncs-si-muffin @nrfconnect/ncs-si-bluebagel
+/samples/basic/blinky/                    @nrfconnect/ncs-low-level-test @nrfconnect/ncs-ll-ursus
 /samples/benchmarks/coremark/             @nrfconnect/ncs-si-bluebagel
 /samples/bluetooth/nrf_auraconfig/        @nrfconnect/ncs-audio
 /samples/bluetooth/central_and_peripheral_hr/ @nrfconnect/ncs-si-muffin
@@ -703,7 +704,6 @@
 /scripts/partition_manager/*.rst          @nrfconnect/ncs-aurora-doc
 /scripts/shell/ble_console/**/*.rst       @nrfconnect/ncs-doc-leads
 /scripts/west_commands/sbom/*.rst         @nrfconnect/ncs-si-muffin-doc
-/scripts/twister/alt/zephyr/samples/basic/ @nrfconnect/ncs-ll-ursus
 /scripts/twister/alt/zephyr/samples/sensor/ @nrfconnect/ncs-low-level-test
 /scripts/twister/alt/zephyr/tests/drivers/ @nrfconnect/ncs-low-level-test
 

samples/basic/blinky/CMakeLists.txt

@@ -0,0 +1,11 @@
+#
+# 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(blinky)
+
+target_sources(app PRIVATE ${ZEPHYR_BASE}/samples/basic/blinky/src/main.c)

samples/basic/blinky/README.txt

@@ -0,0 +1,3 @@
+This sample extends the same-named Zephyr sample to verify it with Nordic development kits.
+
+Source code and basic configuration files can be found in the corresponding folder structure in zephyr/samples/basic/blinky.

samples/basic/blinky/boards/nrf54l15dk_nrf54l15_cpuapp_egpio.overlay

@@ -0,0 +1,9 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&led0 {
+	gpios = <&egpio 9 GPIO_ACTIVE_HIGH>;
+};

samples/basic/blinky/prj.conf

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

scripts/twister/alt/zephyr/samples/basic/blinky/sample.yaml → samples/basic/blinky/sample.yaml

@@ -4,15 +4,11 @@ common:
   tags:
     - LED
     - gpio
+    - ci_tests_drivers_sdp
   depends_on: gpio
 tests:
-  sample.basic.blinky:
-    filter: dt_enabled_alias_with_parent_compat("led0", "gpio-leds")
-    harness: led
-    integration_platforms:
-      - frdm_k64f
 
-  sample.basic.blinky.sdp.gpio.icmsg:
+  nrf.extended.sample.basic.blinky.sdp.gpio.icmsg:
     sysbuild: true
     platform_allow:
       - nrf54l15dk/nrf54l15/cpuapp
@@ -32,7 +28,7 @@ tests:
         - "LED state: ON"
         - "LED state: OFF"
 
-  sample.basic.blinky.sdp.gpio.mbox:
+  nrf.extended.sample.basic.blinky.sdp.gpio.mbox:
     sysbuild: true
     platform_allow:
       - nrf54l15dk/nrf54l15/cpuapp
@@ -52,7 +48,7 @@ tests:
         - "LED state: ON"
         - "LED state: OFF"
 
-  sample.basic.blinky.sdp.gpio.icbmsg:
+  nrf.extended.sample.basic.blinky.sdp.gpio.icbmsg:
     sysbuild: true
     platform_allow:
       - nrf54l15dk/nrf54l15/cpuapp