diff --git a/homeassistant/backports/__init__.py b/homeassistant/backports/__init__.py
new file mode 100644
index 00000000000..e3dc736417a
--- /dev/null
+++ b/homeassistant/backports/__init__.py
@@ -0,0 +1 @@
+"""Backports from newer Python versions."""
diff --git a/homeassistant/util/enum.py b/homeassistant/backports/enum.py
similarity index 96%
rename from homeassistant/util/enum.py
rename to homeassistant/backports/enum.py
index 2ebd1678138..3fa9a582f79 100644
--- a/homeassistant/util/enum.py
+++ b/homeassistant/backports/enum.py
@@ -1,4 +1,4 @@
-"""Enum related utilities."""
+"""Enum backports from standard lib."""
 from __future__ import annotations
 
 from enum import Enum
diff --git a/homeassistant/components/binary_sensor/__init__.py b/homeassistant/components/binary_sensor/__init__.py
index c9301eb7978..0604d5da586 100644
--- a/homeassistant/components/binary_sensor/__init__.py
+++ b/homeassistant/components/binary_sensor/__init__.py
@@ -8,6 +8,7 @@ from typing import Any, final
 
 import voluptuous as vol
 
+from homeassistant.backports.enum import StrEnum
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import STATE_OFF, STATE_ON
 from homeassistant.core import HomeAssistant
@@ -18,7 +19,6 @@ from homeassistant.helpers.config_validation import (  # noqa: F401
 from homeassistant.helpers.entity import Entity, EntityDescription
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.typing import ConfigType, StateType
-from homeassistant.util.enum import StrEnum
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/button/__init__.py b/homeassistant/components/button/__init__.py
index 49249baac61..2e9a8c05163 100644
--- a/homeassistant/components/button/__init__.py
+++ b/homeassistant/components/button/__init__.py
@@ -8,6 +8,7 @@ from typing import final
 
 import voluptuous as vol
 
+from homeassistant.backports.enum import StrEnum
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.config_validation import (  # noqa: F401
@@ -19,7 +20,6 @@ from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.restore_state import RestoreEntity
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.util import dt as dt_util
-from homeassistant.util.enum import StrEnum
 
 from .const import DOMAIN, SERVICE_PRESS
 
diff --git a/homeassistant/components/cover/__init__.py b/homeassistant/components/cover/__init__.py
index 3b8558658eb..e654cf1a0d0 100644
--- a/homeassistant/components/cover/__init__.py
+++ b/homeassistant/components/cover/__init__.py
@@ -9,6 +9,7 @@ from typing import Any, final
 
 import voluptuous as vol
 
+from homeassistant.backports.enum import StrEnum
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     SERVICE_CLOSE_COVER,
@@ -34,7 +35,6 @@ from homeassistant.helpers.config_validation import (  # noqa: F401
 from homeassistant.helpers.entity import Entity, EntityDescription
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.loader import bind_hass
-from homeassistant.util.enum import StrEnum
 
 # mypy: allow-untyped-calls, allow-untyped-defs, no-check-untyped-defs
 
diff --git a/homeassistant/components/humidifier/__init__.py b/homeassistant/components/humidifier/__init__.py
index e6ec8dc72f2..bf3a45d6e91 100644
--- a/homeassistant/components/humidifier/__init__.py
+++ b/homeassistant/components/humidifier/__init__.py
@@ -8,6 +8,7 @@ from typing import Any, final
 
 import voluptuous as vol
 
+from homeassistant.backports.enum import StrEnum
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     ATTR_MODE,
@@ -26,7 +27,6 @@ from homeassistant.helpers.entity import ToggleEntity, ToggleEntityDescription
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.loader import bind_hass
-from homeassistant.util.enum import StrEnum
 
 from .const import (  # noqa: F401
     ATTR_AVAILABLE_MODES,
diff --git a/homeassistant/components/media_player/__init__.py b/homeassistant/components/media_player/__init__.py
index 12d0eae29d4..d1d51f525e4 100644
--- a/homeassistant/components/media_player/__init__.py
+++ b/homeassistant/components/media_player/__init__.py
@@ -22,6 +22,7 @@ import async_timeout
 import voluptuous as vol
 from yarl import URL
 
+from homeassistant.backports.enum import StrEnum
 from homeassistant.components import websocket_api
 from homeassistant.components.http import KEY_AUTHENTICATED, HomeAssistantView
 from homeassistant.components.websocket_api.const import (
@@ -63,7 +64,6 @@ from homeassistant.helpers.entity import Entity, EntityDescription
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.network import get_url
 from homeassistant.loader import bind_hass
-from homeassistant.util.enum import StrEnum
 
 from .const import (
     ATTR_APP_ID,
diff --git a/homeassistant/components/number/__init__.py b/homeassistant/components/number/__init__.py
index 7e2f9093b80..af88b5c86b5 100644
--- a/homeassistant/components/number/__init__.py
+++ b/homeassistant/components/number/__init__.py
@@ -8,6 +8,7 @@ from typing import Any, final
 
 import voluptuous as vol
 
+from homeassistant.backports.enum import StrEnum
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_MODE
 from homeassistant.core import HomeAssistant, ServiceCall
@@ -18,7 +19,6 @@ from homeassistant.helpers.config_validation import (  # noqa: F401
 from homeassistant.helpers.entity import Entity, EntityDescription
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.typing import ConfigType
-from homeassistant.util.enum import StrEnum
 
 from .const import (
     ATTR_MAX,
diff --git a/homeassistant/components/sensor/__init__.py b/homeassistant/components/sensor/__init__.py
index 972914a0c68..75db36b91b2 100644
--- a/homeassistant/components/sensor/__init__.py
+++ b/homeassistant/components/sensor/__init__.py
@@ -12,6 +12,7 @@ from typing import Any, Final, cast, final
 import ciso8601
 import voluptuous as vol
 
+from homeassistant.backports.enum import StrEnum
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (  # noqa: F401
     DEVICE_CLASS_AQI,
@@ -53,7 +54,6 @@ from homeassistant.helpers.config_validation import (  # noqa: F401
 from homeassistant.helpers.entity import Entity, EntityDescription
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.typing import ConfigType, StateType
-from homeassistant.util.enum import StrEnum
 
 from .const import CONF_STATE_CLASS  # noqa: F401
 
diff --git a/homeassistant/components/switch/__init__.py b/homeassistant/components/switch/__init__.py
index fec5a58f414..ac29e99bb73 100644
--- a/homeassistant/components/switch/__init__.py
+++ b/homeassistant/components/switch/__init__.py
@@ -8,6 +8,7 @@ from typing import Any, final
 
 import voluptuous as vol
 
+from homeassistant.backports.enum import StrEnum
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     SERVICE_TOGGLE,
@@ -24,7 +25,6 @@ from homeassistant.helpers.entity import ToggleEntity, ToggleEntityDescription
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.loader import bind_hass
-from homeassistant.util.enum import StrEnum
 
 DOMAIN = "switch"
 SCAN_INTERVAL = timedelta(seconds=30)
diff --git a/homeassistant/components/wled/__init__.py b/homeassistant/components/wled/__init__.py
index 0518bd736d0..659df1baad9 100644
--- a/homeassistant/components/wled/__init__.py
+++ b/homeassistant/components/wled/__init__.py
@@ -2,8 +2,8 @@
 from __future__ import annotations
 
 from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import Platform
 from homeassistant.core import HomeAssistant
-from homeassistant.helpers.entity_platform import Platform
 
 from .const import DOMAIN
 from .coordinator import WLEDDataUpdateCoordinator
diff --git a/homeassistant/const.py b/homeassistant/const.py
index fb8dfc6089a..9da00de9a9a 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -3,6 +3,8 @@ from __future__ import annotations
 
 from typing import Final
 
+from homeassistant.backports.enum import StrEnum
+
 MAJOR_VERSION: Final = 2021
 MINOR_VERSION: Final = 12
 PATCH_VERSION: Final = "0.dev0"
@@ -16,6 +18,42 @@ REQUIRED_NEXT_PYTHON_HA_RELEASE: Final = "2022.1"
 # Format for platform files
 PLATFORM_FORMAT: Final = "{platform}.{domain}"
 
+
+class Platform(StrEnum):
+    """Available entity platforms."""
+
+    AIR_QUALITY = "air_quality"
+    ALARM_CONTROL_PANEL = "alarm_control_panel"
+    BINARY_SENSOR = "binary_sensor"
+    BUTTON = "button"
+    CALENDAR = "calendar"
+    CAMERA = "camera"
+    CLIMATE = "climate"
+    COVER = "cover"
+    DEVICE_TRACKER = "device_tracker"
+    FAN = "fan"
+    GEO_LOCATION = "geo_location"
+    HUMIDIFIER = "humidifier"
+    IMAGE_PROCESSING = "image_processing"
+    LIGHT = "light"
+    LOCK = "lock"
+    MAILBOX = "mailbox"
+    MEDIA_PLAYER = "media_player"
+    NOTIFY = "notify"
+    NUMBER = "number"
+    REMOTE = "remote"
+    SCENE = "scene"
+    SELECT = "select"
+    SENSOR = "sensor"
+    SIREN = "siren"
+    STT = "stt"
+    SWITCH = "switch"
+    TTS = "tts"
+    VACUUM = "vacuum"
+    WATER_HEATER = "water_heater"
+    WEATHER = "weather"
+
+
 # Can be used to specify a catch all when registering state or event listeners.
 MATCH_ALL: Final = "*"
 
diff --git a/homeassistant/helpers/device_registry.py b/homeassistant/helpers/device_registry.py
index 7a78bf69ba7..c8ae7fd148c 100644
--- a/homeassistant/helpers/device_registry.py
+++ b/homeassistant/helpers/device_registry.py
@@ -8,13 +8,13 @@ from typing import TYPE_CHECKING, Any, NamedTuple, cast
 
 import attr
 
+from homeassistant.backports.enum import StrEnum
 from homeassistant.const import EVENT_HOMEASSISTANT_STARTED
 from homeassistant.core import Event, HomeAssistant, callback
 from homeassistant.exceptions import RequiredParameterMissing
 from homeassistant.helpers import storage
 from homeassistant.helpers.frame import report
 from homeassistant.loader import bind_hass
-from homeassistant.util.enum import StrEnum
 import homeassistant.util.uuid as uuid_util
 
 from .debounce import Debouncer
diff --git a/homeassistant/helpers/entity.py b/homeassistant/helpers/entity.py
index c303b97eb5f..86c8fa86af5 100644
--- a/homeassistant/helpers/entity.py
+++ b/homeassistant/helpers/entity.py
@@ -15,6 +15,7 @@ from typing import Any, Final, Literal, TypedDict, final
 
 import voluptuous as vol
 
+from homeassistant.backports.enum import StrEnum
 from homeassistant.config import DATA_CUSTOMIZE
 from homeassistant.const import (
     ATTR_ASSUMED_STATE,
@@ -43,7 +44,6 @@ from homeassistant.helpers.event import Event, async_track_entity_registry_updat
 from homeassistant.helpers.typing import StateType
 from homeassistant.loader import bind_hass
 from homeassistant.util import dt as dt_util, ensure_unique_string, slugify
-from homeassistant.util.enum import StrEnum
 
 _LOGGER = logging.getLogger(__name__)
 SLOW_UPDATE_WARNING = 10
diff --git a/homeassistant/helpers/entity_platform.py b/homeassistant/helpers/entity_platform.py
index 45795a44c42..d8cb8477f11 100644
--- a/homeassistant/helpers/entity_platform.py
+++ b/homeassistant/helpers/entity_platform.py
@@ -34,7 +34,6 @@ from homeassistant.exceptions import (
 )
 from homeassistant.setup import async_start_setup
 from homeassistant.util.async_ import run_callback_threadsafe
-from homeassistant.util.enum import StrEnum
 
 from . import (
     config_validation as cv,
@@ -63,41 +62,6 @@ PLATFORM_NOT_READY_BASE_WAIT_TIME = 30  # seconds
 _LOGGER = getLogger(__name__)
 
 
-class Platform(StrEnum):
-    """Available platforms."""
-
-    AIR_QUALITY = "air_quality"
-    ALARM_CONTROL_PANEL = "alarm_control_panel"
-    BINARY_SENSOR = "binary_sensor"
-    BUTTON = "button"
-    CALENDAR = "calendar"
-    CAMERA = "camera"
-    CLIMATE = "climate"
-    COVER = "cover"
-    DEVICE_TRACKER = "device_tracker"
-    FAN = "fan"
-    GEO_LOCATION = "geo_location"
-    HUMIDIFIER = "humidifier"
-    IMAGE_PROCESSING = "image_processing"
-    LIGHT = "light"
-    LOCK = "lock"
-    MAILBOX = "mailbox"
-    MEDIA_PLAYER = "media_player"
-    NOTIFY = "notify"
-    NUMBER = "number"
-    REMOTE = "remote"
-    SCENE = "scene"
-    SELECT = "select"
-    SENSOR = "sensor"
-    SIREN = "siren"
-    SST = "sst"
-    SWITCH = "switch"
-    TTS = "tts"
-    VACUUM = "vacuum"
-    WATER_HEATER = "water_heater"
-    WEATHER = "weather"
-
-
 class AddEntitiesCallback(Protocol):
     """Protocol type for EntityPlatform.add_entities callback."""
 
diff --git a/homeassistant/helpers/entity_registry.py b/homeassistant/helpers/entity_registry.py
index 6614091341f..b79e9af209e 100644
--- a/homeassistant/helpers/entity_registry.py
+++ b/homeassistant/helpers/entity_registry.py
@@ -17,6 +17,7 @@ from typing import TYPE_CHECKING, Any, cast
 import attr
 import voluptuous as vol
 
+from homeassistant.backports.enum import StrEnum
 from homeassistant.const import (
     ATTR_DEVICE_CLASS,
     ATTR_FRIENDLY_NAME,
@@ -42,7 +43,6 @@ from homeassistant.helpers.device_registry import EVENT_DEVICE_REGISTRY_UPDATED
 from homeassistant.helpers.frame import report
 from homeassistant.loader import bind_hass
 from homeassistant.util import slugify, uuid as uuid_util
-from homeassistant.util.enum import StrEnum
 from homeassistant.util.yaml import load_yaml
 
 from .typing import UNDEFINED, UndefinedType
diff --git a/homeassistant/setup.py b/homeassistant/setup.py
index 67740c54254..3e6db28a194 100644
--- a/homeassistant/setup.py
+++ b/homeassistant/setup.py
@@ -14,6 +14,7 @@ from homeassistant.const import (
     EVENT_COMPONENT_LOADED,
     EVENT_HOMEASSISTANT_START,
     PLATFORM_FORMAT,
+    Platform,
 )
 from homeassistant.core import CALLBACK_TYPE
 from homeassistant.exceptions import HomeAssistantError
@@ -26,34 +27,7 @@ _LOGGER = logging.getLogger(__name__)
 
 ATTR_COMPONENT = "component"
 
-BASE_PLATFORMS = {
-    "air_quality",
-    "alarm_control_panel",
-    "binary_sensor",
-    "camera",
-    "calendar",
-    "climate",
-    "cover",
-    "device_tracker",
-    "fan",
-    "humidifier",
-    "image_processing",
-    "light",
-    "lock",
-    "media_player",
-    "notify",
-    "number",
-    "remote",
-    "scene",
-    "select",
-    "sensor",
-    "siren",
-    "switch",
-    "tts",
-    "vacuum",
-    "water_heater",
-    "weather",
-}
+BASE_PLATFORMS = {platform.value for platform in Platform}
 
 DATA_SETUP_DONE = "setup_done"
 DATA_SETUP_STARTED = "setup_started"
diff --git a/homeassistant/util/dt.py b/homeassistant/util/dt.py
index 39f8a63e53f..0c8a1cd9aad 100644
--- a/homeassistant/util/dt.py
+++ b/homeassistant/util/dt.py
@@ -10,8 +10,6 @@ from typing import Any, cast
 
 import ciso8601
 
-from homeassistant.const import MATCH_ALL
-
 if sys.version_info[:2] >= (3, 9):
     import zoneinfo
 else:
@@ -215,7 +213,7 @@ def get_age(date: dt.datetime) -> str:
 
 def parse_time_expression(parameter: Any, min_value: int, max_value: int) -> list[int]:
     """Parse the time expression part and return a list of times to match."""
-    if parameter is None or parameter == MATCH_ALL:
+    if parameter is None or parameter == "*":
         res = list(range(min_value, max_value + 1))
     elif isinstance(parameter, str):
         if parameter.startswith("/"):
diff --git a/script/hassfest/dependencies.py b/script/hassfest/dependencies.py
index 3f0bd9c1236..c52a926e4e1 100644
--- a/script/hassfest/dependencies.py
+++ b/script/hassfest/dependencies.py
@@ -4,8 +4,8 @@ from __future__ import annotations
 import ast
 from pathlib import Path
 
+from homeassistant.const import Platform
 from homeassistant.requirements import DISCOVERY_INTEGRATIONS
-from homeassistant.setup import BASE_PLATFORMS
 
 from .model import Integration
 
@@ -91,12 +91,11 @@ class ImportCollector(ast.NodeVisitor):
 
 
 ALLOWED_USED_COMPONENTS = {
+    *{platform.value for platform in Platform},
     # Internal integrations
     "alert",
     "automation",
-    "button",
     "conversation",
-    "button",
     "device_automation",
     "frontend",
     "group",
@@ -119,8 +118,6 @@ ALLOWED_USED_COMPONENTS = {
     "webhook",
     "websocket_api",
     "zone",
-    # Entity integrations with platforms
-    *BASE_PLATFORMS,
     # Other
     "mjpeg",  # base class, has no reqs or component to load.
     "stream",  # Stream cannot install on all systems, can be imported without reqs.
diff --git a/tests/backports/__init__.py b/tests/backports/__init__.py
new file mode 100644
index 00000000000..3f701810a5d
--- /dev/null
+++ b/tests/backports/__init__.py
@@ -0,0 +1 @@
+"""The tests for the backports."""
diff --git a/tests/util/test_enum.py b/tests/backports/test_enum.py
similarity index 93%
rename from tests/util/test_enum.py
rename to tests/backports/test_enum.py
index 8fb2091bd11..645db2bd7ca 100644
--- a/tests/util/test_enum.py
+++ b/tests/backports/test_enum.py
@@ -4,7 +4,7 @@ from enum import auto
 
 import pytest
 
-from homeassistant.util.enum import StrEnum
+from homeassistant.backports.enum import StrEnum
 
 
 def test_strenum():