diff options
Diffstat (limited to 'drivers/i2c/muxes/Kconfig')
| -rw-r--r-- | drivers/i2c/muxes/Kconfig | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index a0edd985421..f6d313e528d 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 @@ -19,7 +31,6 @@ config I2C_MUX_GPIO config I2C_MUX_PCA9541 tristate "NXP PCA9541 I2C Master Selector" - depends on EXPERIMENTAL help If you say yes here you get support for the NXP PCA9541 I2C Master Selector. @@ -29,7 +40,7 @@ config I2C_MUX_PCA9541 config I2C_MUX_PCA954x tristate "Philips PCA954x I2C Mux/switches" - depends on EXPERIMENTAL + depends on GPIOLIB help If you say yes here you get support for the Philips PCA954x I2C mux/switch devices. |