tests: drivers: gpio: basic_api: Add nrf54h20/cpurad GPIOTE0 config

Add configuration for testing GPIOTE0 instance on nrf54h20/cpurad.

Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>

Author: nordic-krch

tests/drivers/gpio/gpio_basic_api/boards/nrf54h20dk_nrf54h20_cpurad_gpiote0.overlay

@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+
+&pinctrl {
+	gpiote0_default_alt: gpiote0_default_alt {
+		group1 {
+			psels = <NRF_PSEL(SPIM_SCK, 1, 4)>;
+		};
+	};
+};
+
+/ {
+	resources {
+		compatible = "test-gpio-basic-api";
+		out-gpios = <&gpio1 5 0>;
+		in-gpios = <&gpio1 4 0>;
+	};
+};
+
+&gpio1 {
+	status = "okay";
+	gpiote-instance = <&gpiote0>;
+};
+
+&gpiote0 {
+	status = "okay";
+	pinctrl-0 = <&gpiote0_default_alt>;
+	pinctrl-names = "default";
+};

tests/drivers/gpio/gpio_basic_api/testcase.yaml

@@ -111,3 +111,10 @@ tests:
     platform_allow:
       - siwx917_rb4338a
     extra_args: "DTC_OVERLAY_FILE=boards/siwx917_rb4338a-uulp.overlay"
+  drivers.gpio.2pin.nrf54h20_cpurad_gpiote0:
+    harness_config:
+      fixture: i2s_loopback # Loopback includes the pin pair needed for that test
+    platform_allow:
+      - nrf54h20dk/nrf54h20/cpurad
+    extra_args:
+      - DTC_OVERLAY_FILE="boards/nrf54h20dk_nrf54h20_cpurad_gpiote0.overlay"