tests: drivers: gpio: Add test for NFCT pins as GPIO

Add test that verifies correct operation of NFCT pins as GPIO.

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

tests/drivers/gpio/gpio_nfct/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(gpio_nfct)
+
+FILE(GLOB app_sources ${ZEPHYR_NRF_MODULE_DIR}/tests/drivers/gpio/gpio_more_loops/src/main.c)
+target_sources(app PRIVATE ${app_sources})

tests/drivers/gpio/gpio_nfct/Kconfig

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+# Copyright (c) 2025 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+config TEST_DURATION
+	int "Test duration in ms"
+	default 4000
+	help
+	  Test will run for (at least) defined time.
+	  This value affects how many times GPIOs will be toggled.
+
+source "Kconfig.zephyr"

tests/drivers/gpio/gpio_nfct/boards/nrf54h20dk_nrf54h20_cpuapp.conf

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+CONFIG_NRF_REGTOOL_VERBOSITY=1

tests/drivers/gpio/gpio_nfct/boards/nrf54h20dk_nrf54h20_cpuapp.overlay

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+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	/* Test requirements:
+	 * NFC antenna connected to the DK.
+	 */
+	test_gpios {
+		compatible = "gpio-leds";
+		out_gpios: out_gpios {
+			gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>;
+		};
+
+		in_gpios: in_gpios {
+			gpios = <&gpio2 11 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+&nfct {
+	status = "okay";  /* not needed - APP is the default owner of NFCT */
+};
+
+&gpiote130 {
+	status = "okay";
+	owned-channels = <7>;
+};
+
+&gpio2 {
+	status = "okay";
+};

tests/drivers/gpio/gpio_nfct/boards/nrf54h20dk_nrf54h20_cpurad.conf

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+CONFIG_NRF_REGTOOL_VERBOSITY=1

tests/drivers/gpio/gpio_nfct/boards/nrf54h20dk_nrf54h20_cpurad.overlay

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+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	/* Test requirements:
+	 * NFC antenna connected to the DK.
+	 */
+	test_gpios {
+		compatible = "gpio-leds";
+		out_gpios: out_gpios {
+			gpios = <&gpio2 11 GPIO_ACTIVE_HIGH>;
+		};
+
+		in_gpios: in_gpios {
+			gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+&nfct {
+	status = "okay";  /* APP is the default owner of NFCT */
+};
+
+&gpiote130 {
+	status = "okay";
+	owned-channels = <7>;
+};
+
+&gpio2 {
+	status = "okay";
+};

tests/drivers/gpio/gpio_nfct/boards/nrf54l15dk_nrf54l15_cpuapp.overlay

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+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	/* Test requirements:
+	 * NFC antenna connected to the DK.
+	 */
+	test_gpios {
+		compatible = "gpio-leds";
+		out_gpios: out_gpios {
+			gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
+		};
+
+		in_gpios: in_gpios {
+			gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+&uicr {
+	nfct-pins-as-gpios;
+};
+
+&gpiote20 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};

tests/drivers/gpio/gpio_nfct/boards/nrf54l20pdk_nrf54l20_cpuapp.overlay

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+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	/* Test requirements:
+	 * P1.00 shorted with P1.01;
+	 * P1.02 shorted with P1.03.
+	 * (NFC pins are P1.01 and P1.02)
+	 */
+	test_gpios {
+		compatible = "gpio-leds";
+		out_gpios: out_gpios {
+			gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>, <&gpio1 2 GPIO_ACTIVE_HIGH>;
+		};
+
+		in_gpios: in_gpios {
+			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>, <&gpio1 3 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+&uicr {
+	nfct-pins-as-gpios;
+};
+
+&gpiote20 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};

tests/drivers/gpio/gpio_nfct/prj.conf

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+CONFIG_GPIO=y
+CONFIG_ZTEST=y
+CONFIG_LOG=y

tests/drivers/gpio/gpio_nfct/testcase.yaml

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+common:
+  tags:
+    - drivers
+    - gpio
+    - ci_tests_drivers_gpio
+  depends_on: gpio
+  filter: not CONFIG_COVERAGE
+  harness: ztest
+  harness_config:
+    fixture: gpio_loopback
+
+tests:
+  drivers.gpio.gpio_nfct:
+    platform_allow:
+      - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpurad
+    integration_platforms:
+      - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54l20pdk/nrf54l20/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp