New platform ethernet_info from component text_sensor (#3811)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/ethernet_info/text_sensor.py

@@ -0,0 +1,34 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import text_sensor
+from esphome.const import (
+    CONF_IP_ADDRESS,
+    ENTITY_CATEGORY_DIAGNOSTIC,
+)
+
+DEPENDENCIES = ["ethernet"]
+
+ethernet_info_ns = cg.esphome_ns.namespace("ethernet_info")
+
+IPAddressEsthernetInfo = ethernet_info_ns.class_(
+    "IPAddressEthernetInfo", text_sensor.TextSensor, cg.PollingComponent
+)
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.Optional(CONF_IP_ADDRESS): text_sensor.text_sensor_schema(
+            IPAddressEsthernetInfo, entity_category=ENTITY_CATEGORY_DIAGNOSTIC
+        ).extend(cv.polling_component_schema("1s"))
+    }
+)
+
+
+async def setup_conf(config, key):
+    if key in config:
+        conf = config[key]
+        var = await text_sensor.new_text_sensor(conf)
+        await cg.register_component(var, conf)
+
+
+async def to_code(config):
+    await setup_conf(config, CONF_IP_ADDRESS)