[usb-host] Add support for USB Hubs (#9154)

esphome/components/usb_host/__init__.py

@@ -19,6 +19,7 @@ USBClient = usb_host_ns.class_("USBClient", Component)
 CONF_DEVICES = "devices"
 CONF_VID = "vid"
 CONF_PID = "pid"
+CONF_ENABLE_HUBS = "enable_hubs"
 
 
 def usb_device_schema(cls=USBClient, vid: int = None, pid: [int] = None) -> cv.Schema:
@@ -42,6 +43,7 @@ CONFIG_SCHEMA = cv.All(
     cv.COMPONENT_SCHEMA.extend(
         {
             cv.GenerateID(): cv.declare_id(USBHost),
+            cv.Optional(CONF_ENABLE_HUBS, default=False): cv.boolean,
             cv.Optional(CONF_DEVICES): cv.ensure_list(usb_device_schema()),
         }
     ),
@@ -58,6 +60,8 @@ async def register_usb_client(config):
 
 async def to_code(config):
     add_idf_sdkconfig_option("CONFIG_USB_HOST_CONTROL_TRANSFER_MAX_SIZE", 1024)
+    if config.get(CONF_ENABLE_HUBS):
+        add_idf_sdkconfig_option("CONFIG_USB_HOST_HUBS_SUPPORTED", True)
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)
     for device in config.get(CONF_DEVICES) or ():