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Peter Korsgaard 92ed1a76ca i2c: Add generic I2C multiplexer using GPIO API 
Add an i2c mux driver providing access to i2c bus segments using a
hardware MUX sitting on a master bus and controlled through gpio pins.

E.G. something like:

  ----------              ----------  Bus segment 1   - - - - -
 |          | SCL/SDA    |          |-------------- |           |
 |          |------------|          |
 |          |            |          | Bus segment 2 |           |
 |  Linux   | GPIO 1..N  |   MUX    |---------------   Devices
 |          |------------|          |               |           |
 |          |            |          | Bus segment M
 |          |            |          |---------------|           |
  ----------              ----------                  - - - - -

SCL/SDA of the master I2C bus is multiplexed to bus segment 1..M
according to the settings of the GPIO pins 1..N.

Signed-off-by: Peter Korsgaard <peter.korsgaard@barco.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-01-10 22:11:23 +01:00
..
acpi ACPI: video: fix build for CONFIG_ACPI=n 2010-12-11 02:01:46 -05:00
asm-generic Merge branch 'for-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2011-01-07 17:02:58 -08:00
crypto Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-10-24 13:41:39 -07:00
drm drm/i915: announce to userspace that the bsd ring is coherent 2010-12-05 10:40:39 +00:00
keys
linux i2c: Add generic I2C multiplexer using GPIO API 2011-01-10 22:11:23 +01:00
math-emu
media Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 2011-01-06 18:32:12 -08:00
mtd mtd: Define MLC Flash as a different flash type 2010-10-25 00:50:20 +01:00
net netfilter: fix the race when initializing nf_ct_expect_hash_rnd 2011-01-06 11:22:20 -08:00
pcmcia pcmcia: IOCARD is also required for using IRQs 2010-10-22 08:46:36 +02:00
rdma IB/core: Add VLAN support for IBoE 2010-10-25 10:20:39 -07:00
rxrpc
scsi [SCSI] libiscsi: do not take host lock in queuecommand 2010-12-31 09:52:44 -06:00
sound ARM: mach-shmobile: ap4evb: FSI clock use proper process for HDMI 2010-11-24 15:29:56 +09:00
trace perf: Clean up power events by introducing new, more generic ones 2011-01-04 08:16:54 +01:00
video Merge branch 'fbdev/udlfb' 2011-01-06 18:10:09 +09:00
xen xen: Provide a variant of __RING_SIZE() that is an integer constant expression 2010-12-15 12:34:28 -08:00
Kbuild