diff --git a/homeassistant/components/mqtt/__init__.py b/homeassistant/components/mqtt/__init__.py
index f723d8da3ca..0cdba89f25e 100644
--- a/homeassistant/components/mqtt/__init__.py
+++ b/homeassistant/components/mqtt/__init__.py
@@ -193,6 +193,7 @@ PLATFORM_CONFIG_SCHEMA_BASE = vol.Schema(
         vol.Optional(Platform.ALARM_CONTROL_PANEL.value): cv.ensure_list,
         vol.Optional(Platform.BINARY_SENSOR.value): cv.ensure_list,
         vol.Optional(Platform.BUTTON.value): cv.ensure_list,
+        vol.Optional(Platform.CAMERA.value): cv.ensure_list,
         vol.Optional(Platform.FAN.value): cv.ensure_list,
         vol.Optional(Platform.LIGHT.value): cv.ensure_list,
     }
diff --git a/homeassistant/components/mqtt/camera.py b/homeassistant/components/mqtt/camera.py
index 176e8e86b6b..2e5d95ebda4 100644
--- a/homeassistant/components/mqtt/camera.py
+++ b/homeassistant/components/mqtt/camera.py
@@ -1,6 +1,7 @@
 """Camera that loads a picture from an MQTT topic."""
 from __future__ import annotations
 
+import asyncio
 from base64 import b64decode
 import functools
 
@@ -22,8 +23,10 @@ from .debug_info import log_messages
 from .mixins import (
     MQTT_ENTITY_COMMON_SCHEMA,
     MqttEntity,
+    async_get_platform_config_from_yaml,
     async_setup_entry_helper,
     async_setup_platform_helper,
+    warn_for_legacy_schema,
 )
 
 DEFAULT_NAME = "MQTT Camera"
@@ -37,14 +40,20 @@ MQTT_CAMERA_ATTRIBUTES_BLOCKED = frozenset(
     }
 )
 
-PLATFORM_SCHEMA = mqtt.MQTT_BASE_PLATFORM_SCHEMA.extend(
+PLATFORM_SCHEMA_MODERN = mqtt.MQTT_BASE_SCHEMA.extend(
     {
         vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
         vol.Required(CONF_TOPIC): mqtt.valid_subscribe_topic,
     }
 ).extend(MQTT_ENTITY_COMMON_SCHEMA.schema)
 
-DISCOVERY_SCHEMA = PLATFORM_SCHEMA.extend({}, extra=vol.REMOVE_EXTRA)
+# Configuring MQTT Camera under the camera platform key is deprecated in HA Core 2022.6
+PLATFORM_SCHEMA = vol.All(
+    cv.PLATFORM_SCHEMA.extend(PLATFORM_SCHEMA_MODERN.schema),
+    warn_for_legacy_schema(camera.DOMAIN),
+)
+
+DISCOVERY_SCHEMA = PLATFORM_SCHEMA_MODERN.extend({}, extra=vol.REMOVE_EXTRA)
 
 
 async def async_setup_platform(
@@ -53,7 +62,8 @@ async def async_setup_platform(
     async_add_entities: AddEntitiesCallback,
     discovery_info: DiscoveryInfoType | None = None,
 ) -> None:
-    """Set up MQTT camera through configuration.yaml."""
+    """Set up MQTT camera configured under the camera platform key (deprecated)."""
+    # Deprecated in HA Core 2022.6
     await async_setup_platform_helper(
         hass, camera.DOMAIN, config, async_add_entities, _async_setup_entity
     )
@@ -64,7 +74,17 @@ async def async_setup_entry(
     config_entry: ConfigEntry,
     async_add_entities: AddEntitiesCallback,
 ) -> None:
-    """Set up MQTT camera dynamically through MQTT discovery."""
+    """Set up MQTT camera through configuration.yaml and dynamically through MQTT discovery."""
+    # load and initialize platform config from configuration.yaml
+    await asyncio.gather(
+        *(
+            _async_setup_entity(hass, async_add_entities, config, config_entry)
+            for config in await async_get_platform_config_from_yaml(
+                hass, camera.DOMAIN, PLATFORM_SCHEMA_MODERN
+            )
+        )
+    )
+    # setup for discovery
     setup = functools.partial(
         _async_setup_entity, hass, async_add_entities, config_entry=config_entry
     )
diff --git a/tests/components/mqtt/test_camera.py b/tests/components/mqtt/test_camera.py
index 48f73a504bf..204103152a7 100644
--- a/tests/components/mqtt/test_camera.py
+++ b/tests/components/mqtt/test_camera.py
@@ -1,5 +1,6 @@
 """The tests for mqtt camera component."""
 from base64 import b64encode
+import copy
 from http import HTTPStatus
 import json
 from unittest.mock import patch
@@ -32,6 +33,7 @@ from .test_common import (
     help_test_setting_attribute_via_mqtt_json_message,
     help_test_setting_attribute_with_template,
     help_test_setting_blocked_attribute_via_mqtt_json_message,
+    help_test_setup_manual_entity_from_yaml,
     help_test_unique_id,
     help_test_update_with_json_attrs_bad_JSON,
     help_test_update_with_json_attrs_not_dict,
@@ -289,3 +291,15 @@ async def test_reloadable_late(hass, mqtt_client_mock, caplog, tmp_path):
     domain = camera.DOMAIN
     config = DEFAULT_CONFIG[domain]
     await help_test_reloadable_late(hass, caplog, tmp_path, domain, config)
+
+
+async def test_setup_manual_entity_from_yaml(hass, caplog, tmp_path):
+    """Test setup manual configured MQTT entity."""
+    platform = camera.DOMAIN
+    config = copy.deepcopy(DEFAULT_CONFIG[platform])
+    config["name"] = "test"
+    del config["platform"]
+    await help_test_setup_manual_entity_from_yaml(
+        hass, caplog, tmp_path, platform, config
+    )
+    assert hass.states.get(f"{platform}.test") is not None