tests: drivers: build_all: add comparator test suite

Add comparator build_all test suite designed to test multiple
devicetree overlays and boards for each comparator device driver.

Signed-off-by: Bjarki Arge Andreasen <bjarki.andreasen@nordicsemi.no>

tests/drivers/build_all/comparator/CMakeLists.txt

@@ -0,0 +1,8 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(build_all_comparator)
+
+target_sources(app PRIVATE src/main.c)

tests/drivers/build_all/comparator/nrf_comp/diff.overlay

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&comp {
+	main-mode = "DIFF";
+	psel = "AIN0";
+	extrefsel = "AIN1";
+	sp-mode = "HIGH";
+	isource = "DISABLED";
+	status = "okay";
+};

tests/drivers/build_all/comparator/nrf_comp/se.overlay

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&comp {
+	main-mode = "SE";
+	psel = "AIN0";
+	refsel = "INT_1V2";
+	sp-mode = "HIGH";
+	th-up = <36>;
+	th-down = <28>;
+	isource = "DISABLED";
+	status = "okay";
+};

tests/drivers/build_all/comparator/nrf_comp/se_aref.overlay

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&comp {
+	main-mode = "SE";
+	psel = "AIN0";
+	extrefsel = "AIN1";
+	refsel = "AREF";
+	sp-mode = "HIGH";
+	th-up = <36>;
+	th-down = <28>;
+	isource = "DISABLED";
+	status = "okay";
+};

tests/drivers/build_all/comparator/prj.conf

@@ -0,0 +1,6 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_TEST=y
+CONFIG_TEST_USERSPACE=y
+CONFIG_COMPARATOR=y

tests/drivers/build_all/comparator/src/main.c

@@ -0,0 +1,10 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+int main(void)
+{
+	return 0;
+}

tests/drivers/build_all/comparator/testcase.yaml

@@ -0,0 +1,48 @@
+common:
+  build_only: true
+  tags:
+    - drivers
+    - comparator
+tests:
+  drivers.build_all.comparator.nrf_comp.diff:
+    extra_args:
+      - DTC_OVERLAY_FILE="nrf_comp/diff.overlay"
+    platform_allow:
+      - nrf52dk/nrf52810
+      - nrf52dk/nrf52832
+      - nrf52833dk/nrf52820
+      - nrf52833dk/nrf52833
+      - nrf52840dk/nrf52811
+      - nrf52840dk/nrf52840
+      - nrf5340dk/nrf5340/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54l15dk/nrf54l15/cpuapp
+      - nrf9280pdk/nrf9280/cpuapp
+  drivers.build_all.comparator.nrf_comp.se_aref:
+    extra_args:
+      - DTC_OVERLAY_FILE="nrf_comp/se_aref.overlay"
+    platform_allow:
+      - nrf52dk/nrf52810
+      - nrf52dk/nrf52832
+      - nrf52833dk/nrf52820
+      - nrf52833dk/nrf52833
+      - nrf52840dk/nrf52811
+      - nrf52840dk/nrf52840
+      - nrf5340dk/nrf5340/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54l15dk/nrf54l15/cpuapp
+      - nrf9280pdk/nrf9280/cpuapp
+  drivers.build_all.comparator.nrf_comp.se:
+    extra_args:
+      - DTC_OVERLAY_FILE="nrf_comp/se.overlay"
+    platform_allow:
+      - nrf52dk/nrf52810
+      - nrf52dk/nrf52832
+      - nrf52833dk/nrf52820
+      - nrf52833dk/nrf52833
+      - nrf52840dk/nrf52811
+      - nrf52840dk/nrf52840
+      - nrf5340dk/nrf5340/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54l15dk/nrf54l15/cpuapp
+      - nrf9280pdk/nrf9280/cpuapp