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| author | Benjamin Gaignard <benjamin.gaignard@st.com> | 2019-04-02 15:30:42 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-25 21:33:39 +0200 |
| commit | ad29937e206f5e3fb7ef0d123902505a680f8969 (patch) | |
| tree | abe5351b277c5a69ff75c9012f05142e1de34926 /drivers/counter/Kconfig | |
| parent | 7e798ef90c5f7bf934b8a720eeafd0226c5394e7 (diff) | |
| download | linux-ad29937e206f5e3fb7ef0d123902505a680f8969.tar.bz2 | |
counter: Add STM32 Timer quadrature encoder
Implement counter part of the STM32 timer hardware block by using
counter API. Hardware only supports X2 and X4 quadrature modes. A
ceiling value can be set to define the maximum value reachable by the
counter.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Co-authored-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/counter/Kconfig')
| -rw-r--r-- | drivers/counter/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/counter/Kconfig b/drivers/counter/Kconfig index dd3add729529..0bb2340d6087 100644 --- a/drivers/counter/Kconfig +++ b/drivers/counter/Kconfig @@ -28,4 +28,14 @@ config 104_QUAD_8 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. + endif # COUNTER |