diff --git a/homeassistant/components/kaiterra/__init__.py b/homeassistant/components/kaiterra/__init__.py
index eae14bd330e..6cf866d2d63 100644
--- a/homeassistant/components/kaiterra/__init__.py
+++ b/homeassistant/components/kaiterra/__init__.py
@@ -9,10 +9,12 @@ from homeassistant.const import (
     CONF_SCAN_INTERVAL,
     CONF_TYPE,
 )
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from homeassistant.helpers.discovery import async_load_platform
 from homeassistant.helpers.event import async_track_time_interval
+from homeassistant.helpers.typing import ConfigType
 
 from .api_data import KaiterraApiData
 from .const import (
@@ -53,7 +55,7 @@ KAITERRA_SCHEMA = vol.Schema(
 CONFIG_SCHEMA = vol.Schema({DOMAIN: KAITERRA_SCHEMA}, extra=vol.ALLOW_EXTRA)
 
 
-async def async_setup(hass, config):
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the Kaiterra integration."""
 
     conf = config[DOMAIN]
diff --git a/homeassistant/components/keba/__init__.py b/homeassistant/components/keba/__init__.py
index 6d80019ffd7..a754321331a 100644
--- a/homeassistant/components/keba/__init__.py
+++ b/homeassistant/components/keba/__init__.py
@@ -6,9 +6,10 @@ from keba_kecontact.connection import KebaKeContact
 import voluptuous as vol
 
 from homeassistant.const import CONF_HOST
-from homeassistant.core import ServiceCall
+from homeassistant.core import HomeAssistant, ServiceCall
 from homeassistant.helpers import discovery
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -54,7 +55,7 @@ _SERVICE_MAP = {
 }
 
 
-async def async_setup(hass, config):
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Check connectivity and version of KEBA charging station."""
     host = config[DOMAIN][CONF_HOST]
     rfid = config[DOMAIN][CONF_RFID]
diff --git a/homeassistant/components/keyboard/__init__.py b/homeassistant/components/keyboard/__init__.py
index 0c5acf5b593..cdd80119bc5 100644
--- a/homeassistant/components/keyboard/__init__.py
+++ b/homeassistant/components/keyboard/__init__.py
@@ -10,13 +10,15 @@ from homeassistant.const import (
     SERVICE_VOLUME_MUTE,
     SERVICE_VOLUME_UP,
 )
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.typing import ConfigType
 
 DOMAIN = "keyboard"
 
 TAP_KEY_SCHEMA = vol.Schema({})
 
 
-def setup(hass, config):
+def setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Listen for keyboard events."""
 
     keyboard = PyKeyboard()
diff --git a/homeassistant/components/kira/__init__.py b/homeassistant/components/kira/__init__.py
index 01e584922b6..c54b8a91208 100644
--- a/homeassistant/components/kira/__init__.py
+++ b/homeassistant/components/kira/__init__.py
@@ -19,8 +19,10 @@ from homeassistant.const import (
     EVENT_HOMEASSISTANT_STOP,
     STATE_UNKNOWN,
 )
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import discovery
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType
 
 DOMAIN = "kira"
 
@@ -92,7 +94,7 @@ def load_codes(path):
     return codes
 
 
-def setup(hass, config):
+def setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the KIRA component."""
     sensors = config.get(DOMAIN, {}).get(CONF_SENSORS, [])
     remotes = config.get(DOMAIN, {}).get(CONF_REMOTES, [])
diff --git a/homeassistant/components/lametric/__init__.py b/homeassistant/components/lametric/__init__.py
index f51a34aafc1..f0384e457e4 100644
--- a/homeassistant/components/lametric/__init__.py
+++ b/homeassistant/components/lametric/__init__.py
@@ -5,7 +5,9 @@ from lmnotify import LaMetricManager
 import voluptuous as vol
 
 from homeassistant.const import CONF_CLIENT_ID, CONF_CLIENT_SECRET
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -27,7 +29,7 @@ CONFIG_SCHEMA = vol.Schema(
 )
 
 
-def setup(hass, config):
+def setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the LaMetricManager."""
     _LOGGER.debug("Setting up LaMetric platform")
     conf = config[DOMAIN]
diff --git a/homeassistant/components/lifx/__init__.py b/homeassistant/components/lifx/__init__.py
index 6d967ea9c69..df672c07143 100644
--- a/homeassistant/components/lifx/__init__.py
+++ b/homeassistant/components/lifx/__init__.py
@@ -3,8 +3,11 @@ import voluptuous as vol
 
 from homeassistant import config_entries
 from homeassistant.components.light import DOMAIN as LIGHT_DOMAIN
+from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_PORT, Platform
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType
 
 from .const import DOMAIN
 
@@ -29,7 +32,7 @@ DATA_LIFX_MANAGER = "lifx_manager"
 PLATFORMS = [Platform.LIGHT]
 
 
-async def async_setup(hass, config):
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the LIFX component."""
     conf = config.get(DOMAIN)
 
@@ -45,13 +48,13 @@ async def async_setup(hass, config):
     return True
 
 
-async def async_setup_entry(hass, entry):
+async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up LIFX from a config entry."""
     hass.config_entries.async_setup_platforms(entry, PLATFORMS)
     return True
 
 
-async def async_unload_entry(hass, entry):
+async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Unload a config entry."""
     hass.data.pop(DATA_LIFX_MANAGER).cleanup()
     return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
diff --git a/homeassistant/components/light/__init__.py b/homeassistant/components/light/__init__.py
index 3156306554c..ad83f8c55a5 100644
--- a/homeassistant/components/light/__init__.py
+++ b/homeassistant/components/light/__init__.py
@@ -27,6 +27,7 @@ from homeassistant.helpers.config_validation import (  # noqa: F401
 )
 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
 import homeassistant.util.color as color_util
 
@@ -316,7 +317,7 @@ def filter_turn_on_params(light, params):
     return params
 
 
-async def async_setup(hass, config):  # noqa: C901
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:  # noqa: C901
     """Expose light control via state machine and services."""
     component = hass.data[DOMAIN] = EntityComponent(
         _LOGGER, DOMAIN, hass, SCAN_INTERVAL
diff --git a/homeassistant/components/lightwave/__init__.py b/homeassistant/components/lightwave/__init__.py
index 9cd73d8ffea..3f960e850b6 100644
--- a/homeassistant/components/lightwave/__init__.py
+++ b/homeassistant/components/lightwave/__init__.py
@@ -5,8 +5,10 @@ import voluptuous as vol
 from homeassistant.components.climate import DOMAIN as CLIMATE_DOMAIN
 from homeassistant.components.sensor import DOMAIN as SENSOR_DOMAIN
 from homeassistant.const import CONF_HOST, CONF_LIGHTS, CONF_NAME, CONF_SWITCHES
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.discovery import async_load_platform
+from homeassistant.helpers.typing import ConfigType
 
 CONF_SERIAL = "serial"
 CONF_PROXY_IP = "proxy_ip"
@@ -58,7 +60,7 @@ CONFIG_SCHEMA = vol.Schema(
 )
 
 
-async def async_setup(hass, config):
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Try to start embedded Lightwave broker."""
     host = config[DOMAIN][CONF_HOST]
     lwlink = LWLink(host)
diff --git a/homeassistant/components/linode/__init__.py b/homeassistant/components/linode/__init__.py
index 0a72768da7d..bd61519edc4 100644
--- a/homeassistant/components/linode/__init__.py
+++ b/homeassistant/components/linode/__init__.py
@@ -6,7 +6,9 @@ import linode
 import voluptuous as vol
 
 from homeassistant.const import CONF_ACCESS_TOKEN, Platform
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType
 from homeassistant.util import Throttle
 
 _LOGGER = logging.getLogger(__name__)
@@ -34,7 +36,7 @@ CONFIG_SCHEMA = vol.Schema(
 )
 
 
-def setup(hass, config):
+def setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the Linode component."""
     conf = config[DOMAIN]
     access_token = conf.get(CONF_ACCESS_TOKEN)
diff --git a/homeassistant/components/lirc/__init__.py b/homeassistant/components/lirc/__init__.py
index b52cf3cf107..cca7593768b 100644
--- a/homeassistant/components/lirc/__init__.py
+++ b/homeassistant/components/lirc/__init__.py
@@ -7,6 +7,8 @@ import time
 import lirc
 
 from homeassistant.const import EVENT_HOMEASSISTANT_START, EVENT_HOMEASSISTANT_STOP
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.typing import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -19,7 +21,7 @@ EVENT_IR_COMMAND_RECEIVED = "ir_command_received"
 ICON = "mdi:remote"
 
 
-def setup(hass, config):
+def setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the LIRC capability."""
     # blocking=True gives unexpected behavior (multiple responses for 1 press)
     # also by not blocking, we allow hass to shut down the thread gracefully
diff --git a/homeassistant/components/litejet/__init__.py b/homeassistant/components/litejet/__init__.py
index 2da02368e93..d854e922ebd 100644
--- a/homeassistant/components/litejet/__init__.py
+++ b/homeassistant/components/litejet/__init__.py
@@ -10,6 +10,7 @@ from homeassistant.const import CONF_PORT
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryNotReady
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType
 
 from .const import CONF_EXCLUDE_NAMES, CONF_INCLUDE_SWITCHES, DOMAIN, PLATFORMS
 
@@ -34,7 +35,7 @@ CONFIG_SCHEMA = vol.Schema(
 )
 
 
-async def async_setup(hass, config):
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the LiteJet component."""
     if DOMAIN in config and not hass.config_entries.async_entries(DOMAIN):
         # No config entry exists and configuration.yaml config exists, trigger the import flow.
diff --git a/homeassistant/components/locative/__init__.py b/homeassistant/components/locative/__init__.py
index ec61cbbcdc7..90b62fd833e 100644
--- a/homeassistant/components/locative/__init__.py
+++ b/homeassistant/components/locative/__init__.py
@@ -7,6 +7,7 @@ import logging
 from aiohttp import web
 import voluptuous as vol
 
+from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     ATTR_ID,
     ATTR_LATITUDE,
@@ -15,9 +16,11 @@ from homeassistant.const import (
     STATE_NOT_HOME,
     Platform,
 )
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_entry_flow
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.dispatcher import async_dispatcher_send
+from homeassistant.helpers.typing import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -57,7 +60,7 @@ WEBHOOK_SCHEMA = vol.All(
 )
 
 
-async def async_setup(hass, hass_config):
+async def async_setup(hass: HomeAssistant, hass_config: ConfigType) -> bool:
     """Set up the Locative component."""
     hass.data[DOMAIN] = {"devices": set(), "unsub_device_tracker": {}}
     return True
@@ -111,7 +114,7 @@ async def handle_webhook(hass, webhook_id, request):
     )
 
 
-async def async_setup_entry(hass, entry):
+async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Configure based on config entry."""
     hass.components.webhook.async_register(
         DOMAIN, "Locative", entry.data[CONF_WEBHOOK_ID], handle_webhook
@@ -121,7 +124,7 @@ async def async_setup_entry(hass, entry):
     return True
 
 
-async def async_unload_entry(hass, entry):
+async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Unload a config entry."""
     hass.components.webhook.async_unregister(entry.data[CONF_WEBHOOK_ID])
     hass.data[DOMAIN]["unsub_device_tracker"].pop(entry.entry_id)()
diff --git a/homeassistant/components/logentries/__init__.py b/homeassistant/components/logentries/__init__.py
index 9390bde240a..fc7a30de762 100644
--- a/homeassistant/components/logentries/__init__.py
+++ b/homeassistant/components/logentries/__init__.py
@@ -6,8 +6,10 @@ import requests
 import voluptuous as vol
 
 from homeassistant.const import CONF_TOKEN, EVENT_STATE_CHANGED
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import state as state_helper
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -20,7 +22,7 @@ CONFIG_SCHEMA = vol.Schema(
 )
 
 
-def setup(hass, config):
+def setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the Logentries component."""
     conf = config[DOMAIN]
     token = conf.get(CONF_TOKEN)
diff --git a/homeassistant/components/logger/__init__.py b/homeassistant/components/logger/__init__.py
index ac71ee2944b..2b8bec957fa 100644
--- a/homeassistant/components/logger/__init__.py
+++ b/homeassistant/components/logger/__init__.py
@@ -3,8 +3,9 @@ import logging
 
 import voluptuous as vol
 
-from homeassistant.core import ServiceCall, callback
+from homeassistant.core import HomeAssistant, ServiceCall, callback
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType
 
 DOMAIN = "logger"
 
@@ -49,7 +50,7 @@ CONFIG_SCHEMA = vol.Schema(
 )
 
 
-async def async_setup(hass, config):
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the logger component."""
     hass.data[DOMAIN] = {}
     logging.setLoggerClass(_get_logger_class(hass.data[DOMAIN]))
diff --git a/homeassistant/components/logi_circle/__init__.py b/homeassistant/components/logi_circle/__init__.py
index 6d294636ede..1b193c33554 100644
--- a/homeassistant/components/logi_circle/__init__.py
+++ b/homeassistant/components/logi_circle/__init__.py
@@ -9,6 +9,7 @@ import voluptuous as vol
 
 from homeassistant import config_entries
 from homeassistant.components.camera import ATTR_FILENAME
+from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     ATTR_ENTITY_ID,
     ATTR_MODE,
@@ -20,9 +21,10 @@ from homeassistant.const import (
     EVENT_HOMEASSISTANT_STOP,
     Platform,
 )
-from homeassistant.core import ServiceCall
+from homeassistant.core import HomeAssistant, ServiceCall
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.dispatcher import async_dispatcher_send
+from homeassistant.helpers.typing import ConfigType
 
 from . import config_flow
 from .const import (
@@ -101,7 +103,7 @@ LOGI_CIRCLE_SERVICE_RECORD = vol.Schema(
 )
 
 
-async def async_setup(hass, config):
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up configured Logi Circle component."""
     if DOMAIN not in config:
         return True
@@ -127,7 +129,7 @@ async def async_setup(hass, config):
     return True
 
 
-async def async_setup_entry(hass, entry):
+async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up Logi Circle from a config entry."""
     logi_circle = LogiCircle(
         client_id=entry.data[CONF_CLIENT_ID],
@@ -228,7 +230,7 @@ async def async_setup_entry(hass, entry):
     return True
 
 
-async def async_unload_entry(hass, entry):
+async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Unload a config entry."""
     unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
 
diff --git a/homeassistant/components/lupusec/__init__.py b/homeassistant/components/lupusec/__init__.py
index 54fbf98c9a1..25f8d0a0731 100644
--- a/homeassistant/components/lupusec/__init__.py
+++ b/homeassistant/components/lupusec/__init__.py
@@ -13,8 +13,10 @@ from homeassistant.const import (
     CONF_USERNAME,
     Platform,
 )
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_validation as cv, discovery
 from homeassistant.helpers.entity import Entity
+from homeassistant.helpers.typing import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -44,7 +46,7 @@ LUPUSEC_PLATFORMS = [
 ]
 
 
-def setup(hass, config):
+def setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up Lupusec component."""
     conf = config[DOMAIN]
     username = conf[CONF_USERNAME]
diff --git a/homeassistant/components/lutron_caseta/__init__.py b/homeassistant/components/lutron_caseta/__init__.py
index d91dc8f31e5..d73e03b44d4 100644
--- a/homeassistant/components/lutron_caseta/__init__.py
+++ b/homeassistant/components/lutron_caseta/__init__.py
@@ -18,6 +18,7 @@ from homeassistant.exceptions import ConfigEntryNotReady
 from homeassistant.helpers import device_registry as dr
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import DeviceInfo, Entity
+from homeassistant.helpers.typing import ConfigType
 
 from .const import (
     ACTION_PRESS,
@@ -77,7 +78,7 @@ PLATFORMS = [
 ]
 
 
-async def async_setup(hass, base_config):
+async def async_setup(hass: HomeAssistant, base_config: ConfigType) -> bool:
     """Set up the Lutron component."""
     hass.data.setdefault(DOMAIN, {})