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