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Diffstat (limited to 'drivers/i2c/muxes/Kconfig')
-rw-r--r--drivers/i2c/muxes/Kconfig14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig
index 0be5b83c08fa..f7f9865b8b89 100644
--- a/drivers/i2c/muxes/Kconfig
+++ b/drivers/i2c/muxes/Kconfig
@@ -5,9 +5,21 @@
menu "Multiplexer I2C Chip support"
depends on I2C_MUX
+config I2C_ARB_GPIO_CHALLENGE
+ tristate "GPIO-based I2C arbitration"
+ depends on GPIOLIB && OF
+ help
+ If you say yes to this option, support will be included for an
+ I2C multimaster arbitration scheme using GPIOs and a challenge &
+ response mechanism where masters have to claim the bus by asserting
+ a GPIO.
+
+ This driver can also be built as a module. If so, the module
+ will be called i2c-arb-gpio-challenge.
+
config I2C_MUX_GPIO
tristate "GPIO-based I2C multiplexer"
- depends on GENERIC_GPIO
+ depends on GPIOLIB
help
If you say yes to this option, support will be included for a
GPIO based I2C multiplexer. This driver provides access to