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#
# Multiplexer devices
#
menuconfig MULTIPLEXER
tristate "Multiplexer subsystem"
help
Multiplexer controller subsystem. Multiplexers are used in a
variety of settings, and this subsystem abstracts their use
so that the rest of the kernel sees a common interface. When
multiple parallel multiplexers are controlled by one single
multiplexer controller, this subsystem also coordinates the
multiplexer accesses.
To compile the subsystem as a module, choose M here: the module will
be called mux-core.
if MULTIPLEXER
config MUX_ADG792A
tristate "Analog Devices ADG792A/ADG792G Multiplexers"
depends on I2C
help
ADG792A and ADG792G Wide Bandwidth Triple 4:1 Multiplexers
The driver supports both operating the three multiplexers in
parallel and operating them independently.
To compile the driver as a module, choose M here: the module will
be called mux-adg792a.
config MUX_GPIO
tristate "GPIO-controlled Multiplexer"
depends on GPIOLIB || COMPILE_TEST
help
GPIO-controlled Multiplexer controller.
The driver builds a single multiplexer controller using a number
of gpio pins. For N pins, there will be 2^N possible multiplexer
states. The GPIO pins can be connected (by the hardware) to several
multiplexers, which in that case will be operated in parallel.
To compile the driver as a module, choose M here: the module will
be called mux-gpio.
config MUX_MMIO
tristate "MMIO register bitfield-controlled Multiplexer"
depends on (OF && MFD_SYSCON) || COMPILE_TEST
help
MMIO register bitfield-controlled Multiplexer controller.
The driver builds multiplexer controllers for bitfields in a syscon
register. For N bit wide bitfields, there will be 2^N possible
multiplexer states.
To compile the driver as a module, choose M here: the module will
be called mux-mmio.
endif
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