tests: drivers: spi: dt_spec: add from zephyr, support L20 and L09

Taken from zephyr to check support for L20 and L09.

Signed-off-by: Piotr Kosycarz <piotr.kosycarz@nordicsemi.no>

Author: nordic-piks

CODEOWNERS

@@ -839,6 +839,7 @@
 /tests/drivers/uart/uart_baudrate_test/   @nrfconnect/ncs-low-level-test
 /tests/drivers/sensor/multicore_temp/     @nrfconnect/ncs-low-level-test
 /tests/drivers/sdp_asm/                   @nrfconnect/ncs-low-level-test @nrfconnect/ncs-ll-ursus
+/tests/drivers/spi/                       @nrfconnect/ncs-low-level-test
 /tests/lib/at_cmd_parser/                 @nrfconnect/ncs-modem
 /tests/lib/at_cmd_custom/                 @nrfconnect/ncs-modem
 /tests/lib/at_parser/                     @nrfconnect/ncs-modem

scripts/ci/tags.yaml

@@ -1530,3 +1530,8 @@ ci_samples_drivers_audio_dmic:
   files:
     - nrf/samples/drivers/audio/dmic/
     - zephyr/samples/drivers/audio/dmic/
+
+ci_tests_drivers_spi:
+  files:
+    - nrf/tests/drivers/spi/
+    - zephyr/tests/drivers/spi/

tests/drivers/spi/dt_spec/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(spi_dt_spec)
+
+target_sources(app PRIVATE ${ZEPHYR_BASE}/tests/drivers/spi/dt_spec/src/main.c)

tests/drivers/spi/dt_spec/README.txt

@@ -0,0 +1,4 @@
+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/tests/drivers/spi/dt_spec.

tests/drivers/spi/dt_spec/app.overlay

@@ -0,0 +1,46 @@
+/ {
+	test {
+		#address-cells = <0x1>;
+		#size-cells = <0x1>;
+
+		test_gpio: gpio@deadbeef {
+			compatible = "vnd,gpio";
+			gpio-controller;
+			reg = <0xdeadbeef 0x1000>;
+			#gpio-cells = <0x2>;
+			status = "okay";
+		};
+
+		test_spi_cs: spi@33334444 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "vnd,spi";
+			reg = <0x33334444 0x1000>;
+			status = "okay";
+			clock-frequency = <2000000>;
+
+			cs-gpios = <&test_gpio 0x10 0x20>;
+
+			test_spi_dev_cs: test-spi-dev@0 {
+				compatible = "vnd,spi-device";
+				reg = <0>;
+				spi-max-frequency = <2000000>;
+			};
+		};
+
+		test_spi_no_cs: spi@55556666 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "vnd,spi";
+			reg = <0x55556666 0x1000>;
+			status = "okay";
+			clock-frequency = <2000000>;
+
+			test_spi_dev_no_cs: test-spi-dev@0 {
+				compatible = "vnd,spi-device";
+				reg = <0>;
+				spi-max-frequency = <2000000>;
+			};
+		};
+	};
+};

tests/drivers/spi/dt_spec/prj.conf

@@ -0,0 +1,3 @@
+CONFIG_ZTEST=y
+CONFIG_SPI=y
+CONFIG_GPIO=y

tests/drivers/spi/dt_spec/testcase.yaml

@@ -0,0 +1,16 @@
+tests:
+  nrf.extended.drivers.spi.dt_spec:
+    tags:
+      - drivers
+      - spi
+      - devicetree
+      - ci_tests_drivers_spi
+    # depends_on:
+    #   - spi
+    #   - gpio
+    platform_allow:
+      - nrf54l20pdk/nrf54l20/cpuapp
+      - nrf54l09pdk/nrf54l09/cpuapp
+    integration_platforms:
+      - nrf54l20pdk/nrf54l20/cpuapp
+      - nrf54l09pdk/nrf54l09/cpuapp