linux/drivers/iio/trigger/Kconfig
Fabrice Gasnier b01ced2b50 iio: trigger: Add STM32 LPTimer trigger driver
Add support for LPTIMx_OUT triggers that can be found on some STM32
devices. These triggers can be used then by ADC or DAC.
Typical usage is to configure LPTimer as PWM output (via pwm-stm32-lp)
and have synchronised analog conversions with these triggers.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-09-04 14:49:23 +01:00

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#
# Industrial I/O standalone triggers
#
# When adding new entries keep the list in alphabetical order
menu "Triggers - standalone"
config IIO_HRTIMER_TRIGGER
tristate "High resolution timer trigger"
depends on IIO_SW_TRIGGER
help
Provides a frequency based IIO trigger using high resolution
timers as interrupt source.
To compile this driver as a module, choose M here: the
module will be called iio-trig-hrtimer.
config IIO_INTERRUPT_TRIGGER
tristate "Generic interrupt trigger"
help
Provides support for using an interrupt of any type as an IIO
trigger. This may be provided by a gpio driver for example.
To compile this driver as a module, choose M here: the
module will be called iio-trig-interrupt.
config IIO_STM32_LPTIMER_TRIGGER
tristate "STM32 Low-Power Timer Trigger"
depends on MFD_STM32_LPTIMER || COMPILE_TEST
help
Select this option to enable STM32 Low-Power Timer Trigger.
This can be used as trigger source for STM32 internal ADC
and/or DAC.
To compile this driver as a module, choose M here: the
module will be called stm32-lptimer-trigger.
config IIO_STM32_TIMER_TRIGGER
tristate "STM32 Timer Trigger"
depends on (ARCH_STM32 && OF && MFD_STM32_TIMERS) || COMPILE_TEST
help
Select this option to enable STM32 Timer Trigger
To compile this driver as a module, choose M here: the
module will be called stm32-timer-trigger.
config IIO_TIGHTLOOP_TRIGGER
tristate "A kthread based hammering loop trigger"
depends on IIO_SW_TRIGGER
help
An experimental trigger, used to allow sensors to be sampled as fast
as possible under the limitations of whatever else is going on.
Uses a tight loop in a kthread. Will only work with lower half only
trigger consumers.
To compile this driver as a module, choose M here: the
module will be called iio-trig-loop.
config IIO_SYSFS_TRIGGER
tristate "SYSFS trigger"
depends on SYSFS
select IRQ_WORK
help
Provides support for using SYSFS entries as IIO triggers.
If unsure, say N (but it's safe to say "Y").
To compile this driver as a module, choose M here: the
module will be called iio-trig-sysfs.
endmenu