drivers: comparator: Add initial files

Add top level CMakeLists.txt entry and Kconfig options along with
userspace handlers for comparator API.

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

drivers/CMakeLists.txt

@@ -24,6 +24,7 @@ add_subdirectory_ifdef(CONFIG_CACHE_MANAGEMENT cache)
 add_subdirectory_ifdef(CONFIG_CAN can)
 add_subdirectory_ifdef(CONFIG_CHARGER charger)
 add_subdirectory_ifdef(CONFIG_CLOCK_CONTROL clock_control)
+add_subdirectory_ifdef(CONFIG_COMPARATOR comparator)
 add_subdirectory_ifdef(CONFIG_CONSOLE console)
 add_subdirectory_ifdef(CONFIG_COREDUMP_DEVICE coredump)
 add_subdirectory_ifdef(CONFIG_COUNTER counter)

drivers/Kconfig

@@ -15,6 +15,7 @@ source "drivers/cache/Kconfig"
 source "drivers/can/Kconfig"
 source "drivers/charger/Kconfig"
 source "drivers/clock_control/Kconfig"
+source "drivers/comparator/Kconfig"
 source "drivers/console/Kconfig"
 source "drivers/coredump/Kconfig"
 source "drivers/counter/Kconfig"

drivers/comparator/CMakeLists.txt

@@ -0,0 +1,8 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_syscall_header(${ZEPHYR_BASE}/include/zephyr/drivers/comparator.h)
+
+zephyr_library()
+
+zephyr_library_sources_ifdef(CONFIG_USERSPACE comparator_handlers.c)

drivers/comparator/Kconfig

@@ -0,0 +1,21 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+menuconfig COMPARATOR
+	bool "Comparator drivers"
+	help
+	  Enable comparator driver configuration.
+
+if COMPARATOR
+
+module = COMPARATOR
+module-str = comparator
+source "subsys/logging/Kconfig.template.log_config"
+
+config COMPARATOR_INIT_PRIORITY
+	int "COMPARATOR init priority"
+	default KERNEL_INIT_PRIORITY_DEVICE
+	help
+	  Comparator device driver initialization priority.
+
+endif # COMPARATOR

drivers/comparator/comparator_handlers.c

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/drivers/comparator.h>
+#include <zephyr/internal/syscall_handler.h>
+
+static inline int z_vrfy_comparator_get_output(const struct device *dev)
+{
+	K_OOPS(K_SYSCALL_DRIVER_COMPARATOR(dev, get_output));
+	return z_impl_comparator_get_output(dev);
+}
+#include <zephyr/syscalls/comparator_get_output_mrsh.c>
+
+static inline int z_vrfy_comparator_set_trigger(const struct device *dev,
+						enum comparator_trigger trigger)
+{
+	K_OOPS(K_SYSCALL_DRIVER_COMPARATOR(dev, set_trigger));
+	return z_impl_comparator_set_trigger(dev, trigger);
+}
+#include <zephyr/syscalls/comparator_set_trigger_mrsh.c>
+
+static inline int z_vrfy_comparator_trigger_is_pending(const struct device *dev)
+{
+	K_OOPS(K_SYSCALL_DRIVER_COMPARATOR(dev, trigger_is_pending));
+	return z_impl_comparator_trigger_is_pending(dev);
+}
+#include <zephyr/syscalls/comparator_trigger_is_pending_mrsh.c>