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-rw-r--r--drivers/spi/Kconfig10
-rw-r--r--drivers/spi/Makefile1
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 9b21c5d77b4a..7a75faeb0526 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -65,6 +65,16 @@ config SPI_BITBANG
need it. You only need to select this explicitly to support driver
modules that aren't part of this kernel tree.
+config SPI_BUTTERFLY
+ tristate "Parallel port adapter for AVR Butterfly (DEVELOPMENT)"
+ depends on SPI_MASTER && PARPORT && EXPERIMENTAL
+ select SPI_BITBANG
+ help
+ This uses a custom parallel port cable to connect to an AVR
+ Butterfly <http://www.atmel.com/products/avr/butterfly>, an
+ inexpensive battery powered microcontroller evaluation board.
+ This same cable can be used to flash new firmware.
+
#
# Add new SPI master controllers in alphabetical order above this line
#
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 5da6a4df4012..c2c87e845abf 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_SPI_MASTER) += spi.o
# SPI master controller drivers (bus)
obj-$(CONFIG_SPI_BITBANG) += spi_bitbang.o
+obj-$(CONFIG_SPI_BUTTERFLY) += spi_butterfly.o
# ... add above this line ...
# SPI protocol drivers (device/link on bus)