--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eeproms/duart28c	Thu Jul 30 04:53:47 2020 +0000
@@ -0,0 +1,16 @@
+# This EEPROM configuration is one of two possible configs that can be
+# programmed into FreeCalypso DUART28 adapters (custom hw made by
+# Falconia Partners LLC) based on the FT2232D chip.  The present DUART28C
+# configuration sets a custom USB ID and is intended to be used together
+# with a custom patch to the Linux kernel ftdi_sio driver that applies
+# a special quirk when this USB ID is detected.  The driver quirk in
+# question applies only to FT2232D Channel B and suppresses automatic
+# assertion of DTR & RTS when the corresponding ttyUSBx device is opened;
+# this driver quirk is required in order to use the DUART28C adapter's
+# boot control outputs.
+
+vid 0x0403	# FTDI
+pid 0x7152	# Allocated by FTDI to Falconia Partners LLC
+
+manuf FreeCalypso
+product DUART28C

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eeproms/duart28s	Thu Jul 30 04:53:47 2020 +0000
@@ -0,0 +1,18 @@
+# This EEPROM configuration is one of two possible configs that can be
+# programmed into FreeCalypso DUART28 adapters (custom hw made by
+# Falconia Partners LLC) based on the FT2232D chip.  The present DUART28S
+# configuration sets the default USB ID that is used by FT2232x adapters
+# and is recognized and treated as a generic dual UART device by the
+# standard unpatched Linux kernel ftdi_sio driver.  This configuration
+# is intended for those users who don't need DUART28C boot control outputs
+# and who wish to avoid the major inconvenience of applying a custom patch
+# to their Linux kernel ftdi_sio driver.  Please note that boot control
+# outputs CTL1 and CTL2 cannot be used with this EEPROM configuration -
+# they will be triggered whenever Channel B ttyUSBx device is opened,
+# making them unusable.
+
+vid 0x0403	# FTDI
+pid 0x6010	# FT2232x default, treated as standard dual UART by Linux
+
+manuf FreeCalypso
+product DUART28S