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Linux/drivers/i2c/muxes/Kconfig

  1 #
  2 # Multiplexer I2C chip drivers configuration
  3 #
  4 
  5 menu "Multiplexer I2C Chip support"
  6         depends on I2C_MUX
  7 
  8 config I2C_ARB_GPIO_CHALLENGE
  9         tristate "GPIO-based I2C arbitration"
 10         depends on GPIOLIB && OF
 11         help
 12           If you say yes to this option, support will be included for an
 13           I2C multimaster arbitration scheme using GPIOs and a challenge &
 14           response mechanism where masters have to claim the bus by asserting
 15           a GPIO.
 16 
 17           This driver can also be built as a module.  If so, the module
 18           will be called i2c-arb-gpio-challenge.
 19 
 20 config I2C_MUX_GPIO
 21         tristate "GPIO-based I2C multiplexer"
 22         depends on GPIOLIB
 23         help
 24           If you say yes to this option, support will be included for a
 25           GPIO based I2C multiplexer. This driver provides access to
 26           I2C busses connected through a MUX, which is controlled
 27           through GPIO pins.
 28 
 29           This driver can also be built as a module.  If so, the module
 30           will be called i2c-mux-gpio.
 31 
 32 config I2C_MUX_PCA9541
 33         tristate "NXP PCA9541 I2C Master Selector"
 34         help
 35           If you say yes here you get support for the NXP PCA9541
 36           I2C Master Selector.
 37 
 38           This driver can also be built as a module.  If so, the module
 39           will be called i2c-mux-pca9541.
 40 
 41 config I2C_MUX_PCA954x
 42         tristate "Philips PCA954x I2C Mux/switches"
 43         help
 44           If you say yes here you get support for the Philips PCA954x
 45           I2C mux/switch devices.
 46 
 47           This driver can also be built as a module.  If so, the module
 48           will be called i2c-mux-pca954x.
 49 
 50 config I2C_MUX_PINCTRL
 51         tristate "pinctrl-based I2C multiplexer"
 52         depends on PINCTRL
 53         help
 54           If you say yes to this option, support will be included for an I2C
 55           multiplexer that uses the pinctrl subsystem, i.e. pin multiplexing.
 56           This is useful for SoCs whose I2C module's signals can be routed to
 57           different sets of pins at run-time.
 58 
 59           This driver can also be built as a module. If so, the module will be
 60           called pinctrl-i2cmux.
 61 
 62 endmenu

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