+elif agnostic.platform == "linux":
+    if agnostic.board_id == "raspi_3" or agnostic.board_id == "raspi_2":
+        from adafruit_blinka.microcontroller.raspi_23.pin import *
+    elif agnostic.board_id == "beaglebone_black":
+        from adafruit_blinka.microcontroller.beaglebone_black.pin import *
+    else:
+        raise NotImplementedError("Board not supported: ", agnostic.board_id)