ads1118 component (#5711)

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

esphome/components/ads1118/__init__.py

@@ -0,0 +1,25 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import spi
+from esphome.const import CONF_ID
+
+CODEOWNERS = ["@solomondg1"]
+DEPENDENCIES = ["spi"]
+MULTI_CONF = True
+
+CONF_ADS1118_ID = "ads1118_id"
+
+ads1118_ns = cg.esphome_ns.namespace("ads1118")
+ADS1118 = ads1118_ns.class_("ADS1118", cg.Component, spi.SPIDevice)
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(ADS1118),
+    }
+).extend(spi.spi_device_schema(cs_pin_required=True))
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await spi.register_spi_device(var, config)