linux/drivers/iio/counter/Kconfig
William Breathitt Gray 1f8f93683d iio: Change ISA_BUS_API dependency to selection
The ISA_BUS_API Kconfig option enables the compilation of the ISA bus
driver. The ISA bus driver does not perform any hardware interaction,
and is instead just a thin layer of software abstraction to eliminate
boilerplate code common to ISA-style device drivers. Since ISA_BUS_API
has no dependencies and does not jeopardize the integrity of the system
when enabled, drivers should select it when the ISA bus driver
functionality is needed.

Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-02-22 16:13:41 +01:00

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#
# Counter devices
#
# When adding new entries keep the list in alphabetical order
menu "Counters"
config 104_QUAD_8
tristate "ACCES 104-QUAD-8 driver"
depends on PC104 && X86
select ISA_BUS_API
help
Say yes here to build support for the ACCES 104-QUAD-8 quadrature
encoder counter/interface device family (104-QUAD-8, 104-QUAD-4).
Performing a write to a counter's IIO_CHAN_INFO_RAW sets the counter and
also clears the counter's respective error flag. Although the counters
have a 25-bit range, only the lower 24 bits may be set, either directly
or via a counter's preset attribute. Interrupts are not supported by
this driver.
The base port addresses for the devices may be configured via the base
array module parameter.
config STM32_LPTIMER_CNT
tristate "STM32 LP Timer encoder counter driver"
depends on MFD_STM32_LPTIMER || COMPILE_TEST
help
Select this option to enable STM32 Low-Power Timer quadrature encoder
and counter driver.
To compile this driver as a module, choose M here: the
module will be called stm32-lptimer-cnt.
endmenu