+ if "BLINKA_FORCECHIP" not in os.environ:
+ from adafruit_blinka.microcontroller.mcp2221.pin import *
+ elif os.environ["BLINKA_FORCECHIP"] == "MCP2221":
+ from adafruit_blinka.microcontroller.fake_mcp2221.pin import *
+
+elif chip_id == ap_chip.A10:
+ from adafruit_blinka.microcontroller.allwinner.a20.pin import *
+elif chip_id == ap_chip.A20:
+ from adafruit_blinka.microcontroller.allwinner.a20.pin import *