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[PATCH] SPI: add spi_butterfly driver

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This adds a bitbanging parport based adaptor cable for AVR Butterfly, giving
SPI links to its DataFlash chip and (eventually) firmware running in the card.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
David Brownell 2006-01-11 11:23:49 -08:00 • committed by Greg Kroah-Hartman
parent 5d870c8e21
commit 2e10c84b9c
3 changed files with 490 additions and 0 deletions
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10
drivers/spi/Kconfig
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@ -75,6 +75,16 @@ config SPI_BUTTERFLY
inexpensive battery powered microcontroller evaluation board.
This same cable can be used to flash new firmware.
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
#