linux

History

Ben Marsh a3dac5a35c Staging: nvec: removes a useless cast on a void pointer Remove an unnecessary cast on a void pointer in nvec_power.c Signed-off-by: Ben Marsh <bmarsh94@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2016-03-28 07:30:36 -07:00
..
Kconfig	Staging: nvec: Add paragraph to describe kconfig symbol	2015-02-26 17:14:07 -08:00
Makefile
nvec_kbd.c	staging: nvec: drop owner assignment from platform_drivers	2014-10-20 16:21:41 +02:00
nvec_paz00.c	staging: nvec: Remove blank lines before a close brace	2016-03-11 22:09:09 -08:00
nvec_power.c	Staging: nvec: removes a useless cast on a void pointer	2016-03-28 07:30:36 -07:00
nvec_ps2.c	Staging: nvec: removes an unnecessary cast on a void pointer	2016-03-11 22:09:09 -08:00
nvec-keytable.h
nvec.c	staging: nvec: Fix comparison to NULL	2016-03-28 07:30:36 -07:00
nvec.h	Staging: nvec: Modify the nvec_write_sync method to return the error code	2016-02-14 16:52:15 -08:00
README	staging: nvec:Misspelled the word	2015-11-15 20:02:47 -08:00
TODO	Staging: nvec: Modify the nvec_write_sync method to return the error code	2016-02-14 16:52:15 -08:00

README

NVEC: An NVidia compliant Embedded Controller Protocol Implementation

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