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-rw-r--r--drivers/i2c/muxes/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig
index a05b32d042..bd3e078d62 100644
--- a/drivers/i2c/muxes/Kconfig
+++ b/drivers/i2c/muxes/Kconfig
@@ -6,3 +6,12 @@ config I2C_MUX
one of several buses using some sort of control mechanism. The
bus select is handled automatically when that bus is accessed,
using a suitable I2C MUX driver.
+
+config I2C_ARB_GPIO_CHALLENGE
+ bool "GPIO-based I2C arbitration"
+ depends on I2C_MUX
+ 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.