[neopixelbus] Deprecate on ESP32 (#16676)

esphome/components/neopixelbus/light.py

@@ -1,3 +1,5 @@
+import logging
+
 from esphome import pins
 import esphome.codegen as cg
 from esphome.components import light
@@ -22,6 +24,7 @@ from esphome.const import (
     Framework,
 )
 from esphome.core import CORE
+from esphome.types import ConfigType
 
 from ._methods import (
     METHOD_BIT_BANG,
@@ -34,6 +37,8 @@ from ._methods import (
 )
 from .const import CHIP_TYPES, CONF_ASYNC, CONF_BUS, ONE_WIRE_CHIPS
 
+_LOGGER = logging.getLogger(__name__)
+
 neopixelbus_ns = cg.esphome_ns.namespace("neopixelbus")
 NeoPixelBusLightOutputBase = neopixelbus_ns.class_(
     "NeoPixelBusLightOutputBase", light.AddressableLight
@@ -134,6 +139,17 @@ def _validate(config):
     return config
 
 
+def _warn_esp32_deprecated(config: ConfigType) -> ConfigType:
+    if CORE.is_esp32:
+        _LOGGER.warning(
+            "'neopixelbus' on ESP32 is deprecated. The upstream library "
+            "(makuna/NeoPixelBus) is no longer actively maintained. Migrate "
+            "to 'esp32_rmt_led_strip'. Removal is targeted for 2027.1 but "
+            "may happen sooner once ESPHome moves to ESP-IDF 6."
+        )
+    return config
+
+
 def _validate_method(value):
     if value is None:
         # default method is determined afterwards because it depends on the chip type chosen
@@ -195,6 +211,7 @@ CONFIG_SCHEMA = cv.All(
     ).extend(cv.COMPONENT_SCHEMA),
     _choose_default_method,
     _validate,
+    _warn_esp32_deprecated,
 )