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authorMichael Lawnick <ml.lawnick@gmx.de>2010-08-11 18:21:02 +0200
committerJean Delvare <khali@linux-fr.org>2010-08-11 18:21:02 +0200
commit0826374bff57411d239f2fcb15da3c35af0a93cd (patch)
tree514d4361cfc9cc546306612de3464def7fe8a7cd /drivers/i2c/Kconfig
parentdafc50d141c27959dbd3a1cfe9857a86d23402a7 (diff)
downloadlinux-linaro-stable-0826374bff57411d239f2fcb15da3c35af0a93cd.tar.gz
i2c: Multiplexed I2C bus core support
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>
Diffstat (limited to 'drivers/i2c/Kconfig')
-rw-r--r--drivers/i2c/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index d06083fdffbb..efb48ad1ba34 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -47,6 +47,17 @@ config I2C_CHARDEV
This support is also available as a module. If so, the module
will be called i2c-dev.
+config I2C_MUX
+ tristate "I2C bus multiplexing support"
+ depends on EXPERIMENTAL
+ help
+ Say Y here if you want the I2C core to support the ability to
+ handle multiplexed I2C bus topologies, by presenting each
+ multiplexed segment as a I2C adapter.
+
+ This support is also available as a module. If so, the module
+ will be called i2c-mux.
+
config I2C_HELPER_AUTO
bool "Autoselect pertinent helper modules"
default y