Add support for BP1658CJ LED driver (#4020)

esphome/components/bp1658cj/output.py

@@ -0,0 +1,27 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import output
+from esphome.const import CONF_CHANNEL, CONF_ID
+from . import BP1658CJ
+
+DEPENDENCIES = ["bp1658cj"]
+
+Channel = BP1658CJ.class_("Channel", output.FloatOutput)
+
+CONF_BP1658CJ_ID = "bp1658cj_id"
+CONFIG_SCHEMA = output.FLOAT_OUTPUT_SCHEMA.extend(
+    {
+        cv.GenerateID(CONF_BP1658CJ_ID): cv.use_id(BP1658CJ),
+        cv.Required(CONF_ID): cv.declare_id(Channel),
+        cv.Required(CONF_CHANNEL): cv.int_range(min=0, max=65535),
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await output.register_output(var, config)
+
+    parent = await cg.get_variable(config[CONF_BP1658CJ_ID])
+    cg.add(var.set_parent(parent))
+    cg.add(var.set_channel(config[CONF_CHANNEL]))