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