linux-toradex.git/drivers/i2c/Kconfig, branch tegra Linux kernel for Apalis and Colibri modules [ARM]tegra:i2c: Adding i2c slave support apis. 2011-12-01T05:41:51+00:00 Laxman Dewangan ldewangan@nvidia.com 2010-12-23T16:33:54+00:00 0017a945ba2e0ecdb73657dac435fc83a74dd70e To support the i2c slave functionality in the kernel, adding the framework so that chip specific slave driver can be plugged in. Adding slave adapter and alogithms in framework so that slave bus driver can register chip specific driver. Original-Change-Id: Ie002dbd3b021f70814b455471e66a5da378ab3e9 Reviewed-on: http://git-master/r/14206 Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com> Tested-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-by: Alok Chauhan <alokc@nvidia.com> Reviewed-by: Scott Williams <scwilliams@nvidia.com> Original-Change-Id: I92b6bc4f3953a9edc7f9414a65b69005d2bbf8db Rebase-Id: R13abe740fa88a76747dcbcd42ffc9f74a504f7c5 
To support the i2c slave functionality in the kernel, adding the
framework so that chip specific slave driver can be plugged in.

Adding slave adapter and alogithms in framework so that slave bus driver
can register chip specific driver.

Original-Change-Id: Ie002dbd3b021f70814b455471e66a5da378ab3e9
Reviewed-on: http://git-master/r/14206
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Alok Chauhan <alokc@nvidia.com>
Reviewed-by: Scott Williams <scwilliams@nvidia.com>
Original-Change-Id: I92b6bc4f3953a9edc7f9414a65b69005d2bbf8db

Rebase-Id: R13abe740fa88a76747dcbcd42ffc9f74a504f7c5
doc: Kconfig: Typo: square -> squared 2011-07-11T12:22:32+00:00 Michael Witten mfwitten@gmail.com 2011-07-08T22:33:24+00:00 622e040d577dc8a7a6efbfa4f056448f62b4039a Signed-off-by: Michael Witten <mfwitten@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Revert "i2c: Fix Kconfig dependencies" 2010-11-22T13:27:33+00:00 Arnaud Lacombe lacombar@gmail.com 2010-11-06T21:30:25+00:00 dfc518dd6b5c5e00f98906eaa5c7d716d856c098 This reverts commit 0a57274ea026c2b7670683947b6cc08b195148cf. Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> 
This reverts commit 0a57274ea026c2b7670683947b6cc08b195148cf.

Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
i2c: Fix Kconfig dependencies 2010-10-24T16:16:57+00:00 Jean Delvare khali@linux-fr.org 2010-10-24T16:16:57+00:00 0a57274ea026c2b7670683947b6cc08b195148cf drivers/i2c/algos/Kconfig makes all the algorithms dependent on !I2C_HELPER_AUTO, which triggers a Kconfig warning about broken dependencies when some driver selects one of the algorithms. Ideally we would make only the prompts dependent on !I2C_HELPER_AUTO, however Kconfig doesn't currently support that. So we have to redefine the symbols separately for the I2C_HELPER_AUTO=y case. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Michal Marek <mmarek@suse.cz> 
drivers/i2c/algos/Kconfig makes all the algorithms dependent on
!I2C_HELPER_AUTO, which triggers a Kconfig warning about broken
dependencies when some driver selects one of the algorithms. Ideally
we would make only the prompts dependent on !I2C_HELPER_AUTO, however
Kconfig doesn't currently support that. So we have to redefine the
symbols separately for the I2C_HELPER_AUTO=y case.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Michal Marek <mmarek@suse.cz>
i2c: I2C bus multiplexer driver pca954x 2010-08-11T16:21:03+00:00 Michael Lawnick ml.lawnick@gmx.de 2010-08-11T16:21:03+00:00 7f528135da9704d67db1f727162024b078e1cd8f I2C driver for PCA954x I2C multiplexer series. Signed-off-by: Michael Lawnick <ml.lawnick@gmx.de> Acked-by: Rodolfo Giometti <giometti@linux.it> Signed-off-by: Jean Delvare <khali@linux-fr.org> 
I2C driver for PCA954x I2C multiplexer series.

Signed-off-by: Michael Lawnick <ml.lawnick@gmx.de>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
i2c: Multiplexed I2C bus core support 2010-08-11T16:21:02+00:00 Michael Lawnick ml.lawnick@gmx.de 2010-08-11T16:21:02+00:00 0826374bff57411d239f2fcb15da3c35af0a93cd Add multiplexed bus core support. I2C multiplexer and switches like pca954x get instantiated as new adapters per port. Signed-off-by: Michael Lawnick <ml.lawnick@gmx.de> Acked-by: Rodolfo Giometti <giometti@linux.it> Signed-off-by: Jean Delvare <khali@linux-fr.org> 
Add multiplexed bus core support. I2C multiplexer and switches
like pca954x get instantiated as new adapters per port.

Signed-off-by: Michael Lawnick <ml.lawnick@gmx.de>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
i2c: Drop configure option I2C_DEBUG_CHIP 2010-03-13T19:56:55+00:00 Jean Delvare khali@linux-fr.org 2010-03-13T19:56:55+00:00 e77482d735efa2606c1f2afeebd53e1119d0e5c6 Now that directory drivers/i2c/chips is gone, configuration option I2C_DEBUG_CHIP no longer has any effect, so we can drop it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Wolfram Sang <w.sang@pengutronix.de> 
Now that directory drivers/i2c/chips is gone, configuration option
I2C_DEBUG_CHIP no longer has any effect, so we can drop it.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
tsl2550: Move from i2c/chips to misc 2010-03-13T19:56:54+00:00 Jean Delvare khali@linux-fr.org 2010-03-13T19:56:54+00:00 6a9bcced518b98a7e52b9e8e96af228b171e0498 Move the last remaining driver from i2c/chips to misc. Good ridance! Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> 
Move the last remaining driver from i2c/chips to misc. Good ridance!

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
i2c: Separate Kconfig option for i2c-smbus 2010-03-02T11:23:43+00:00 Jean Delvare khali@linux-fr.org 2010-03-02T11:23:43+00:00 e2ca307439fb9df922c3e8891289a2ac05812fb7 Having a separate Kconfig option for i2c-smbus makes it possible to build that support as a module even when i2c-core itself is built-in. Bus drivers which implement SMBus alert should select this option, so in most cases this option is hidden and the user doesn't have to care about it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Trent Piepho <tpiepho@freescale.com> 
Having a separate Kconfig option for i2c-smbus makes it possible to
build that support as a module even when i2c-core itself is built-in.
Bus drivers which implement SMBus alert should select this option, so
in most cases this option is hidden and the user doesn't have to care
about it.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Trent Piepho <tpiepho@freescale.com>
i2c: Prevent priority inversion on top of bus lock 2009-12-06T16:06:22+00:00 Mika Kuoppala mika.kuoppala@nokia.com 2009-12-06T16:06:22+00:00 194684e596af4bdaebb424166d94a8aa528edfda Low priority thread holding the i2c bus mutex could block higher priority threads to access the bus resulting in unacceptable latencies. Change the mutex type to rt_mutex preventing priority inversion. Tested-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Signed-off-by: Mika Kuoppala <mika.kuoppala@nokia.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> 
Low priority thread holding the i2c bus mutex could block higher
priority threads to access the bus resulting in unacceptable
latencies. Change the mutex type to rt_mutex preventing priority
inversion.

Tested-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@nokia.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>