[IRDA]: Initial support for MCS7780 based dongles

The MosChip MCS7780 chipset is an IrDA USB bridge that
doesn't conform with the IrDA-USB standard and thus needs
its separate driver.
Tested on an actual MCS7780 based dongle.

Original implementation by Brian Pugh <bpugh@cs.pdx.edu>

Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig
index cff8598aa800..d2ce4896abff 100644
--- a/drivers/net/irda/Kconfig
+++ b/drivers/net/irda/Kconfig
@@ -417,5 +417,20 @@ config PXA_FICP
           available capabilities may vary from one PXA2xx target to
           another.
 
+config MCS_FIR
+        tristate "MosChip MCS7780 IrDA-USB dongle"
+        depends on IRDA && USB && EXPERIMENTAL
+        help
+          Say Y or M here if you want to build support for the MosChip
+          MCS7780 IrDA-USB bridge device driver.
+
+          USB bridge based on the MosChip MCS7780 don't conform to the
+          IrDA-USB device class specification, and therefore need their
+          own specific driver. Those dongles support SIR and FIR (4Mbps)
+          speeds.
+
+          To compile it as a module, choose M here: the module will be called
+          mcs7780.
+
 endmenu