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linux/drivers/staging/nvec
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Marc Dietrich 32890b9830 Staging: initial version of the nvec driver 
This is an implementation of a NVidia compliant embedded controller
protocol driver. It is used on some ARM-Tegra boards for device
communication.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-05-19 15:36:10 -07:00
..
Kconfig Staging: initial version of the nvec driver 2011-05-19 15:36:10 -07:00
Makefile Staging: initial version of the nvec driver 2011-05-19 15:36:10 -07:00
nvec_kbd.c Staging: initial version of the nvec driver 2011-05-19 15:36:10 -07:00
nvec_power.c Staging: initial version of the nvec driver 2011-05-19 15:36:10 -07:00
nvec_ps2.c Staging: initial version of the nvec driver 2011-05-19 15:36:10 -07:00
nvec-keytable.h Staging: initial version of the nvec driver 2011-05-19 15:36:10 -07:00
nvec.c Staging: initial version of the nvec driver 2011-05-19 15:36:10 -07:00
nvec.h Staging: initial version of the nvec driver 2011-05-19 15:36:10 -07:00
README Staging: initial version of the nvec driver 2011-05-19 15:36:10 -07:00
TODO Staging: initial version of the nvec driver 2011-05-19 15:36:10 -07:00

README 

NVEC: An NVidia compliant Embedded Controller Protocol Implemenation

This is an implementation of the NVEC protocol used to communicate with an
embedded controller (EC) via I2C bus. The EC is an I2C master while the host
processor is the I2C slave. Requests from the host processor to the EC are
started by triggering a gpio line.

There is no written documentation of the protocol available to the public,
but the source code[1] of the published nvec reference drivers can be a guide.
This driver is currently only used by the AC100 project[2], but it is likely,
that other Tegra boards (not yet mainlined, if ever) also use it.

[1] e.g. http://nv-tegra.nvidia.com/gitweb/?p=linux-2.6.git;a=tree;f=arch/arm/mach-tegra/nvec;hb=android-tegra-2.6.32
[2] http://gitorious.org/ac100, http://launchpad.net/ac100