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# SPDX-License-Identifier: GPL-2.0-only
#
# Counter devices
#
menuconfig COUNTER
tristate "Counter support"
help
This enables counter device support through the Generic Counter
interface. You only need to enable this, if you also want to enable
one or more of the counter device drivers below.
if COUNTER
config 104_QUAD_8
tristate "ACCES 104-QUAD-8 driver"
depends on PC104 && X86 && IIO
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).
A counter's respective error flag may be cleared by performing a write
operation on the respective count value attribute. Although the
104-QUAD-8 counters have a 25-bit range, only the lower 24 bits may be
set, either directly or via the 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_TIMER_CNT
tristate "STM32 Timer encoder counter driver"
depends on MFD_STM32_TIMERS || COMPILE_TEST
help
Select this option to enable STM32 Timer quadrature encoder
and counter driver.
To compile this driver as a module, choose M here: the
module will be called stm32-timer-cnt.
config STM32_LPTIMER_CNT
tristate "STM32 LP Timer encoder counter driver"
depends on (MFD_STM32_LPTIMER || COMPILE_TEST) && IIO
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.
config FTM_QUADDEC
tristate "Flex Timer Module Quadrature decoder driver"
depends on HAS_IOMEM && OF
help
Select this option to enable the Flex Timer Quadrature decoder
driver.
To compile this driver as a module, choose M here: the
module will be called ftm-quaddec.
endif # COUNTER
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