iio: counter: Add support for STM32 LPTimer
Add support for STM32 Low-Power Timer, that can be used as counter
or quadrature encoder.
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>
diff --git a/drivers/iio/counter/Kconfig b/drivers/iio/counter/Kconfig
index b37e5fc..474e1ac 100644
--- a/drivers/iio/counter/Kconfig
+++ b/drivers/iio/counter/Kconfig
@@ -21,4 +21,13 @@
The base port addresses for the devices may be configured via the base
array module parameter.
+config STM32_LPTIMER_CNT
+ tristate "STM32 LP Timer encoder counter driver"
+ depends on MFD_STM32_LPTIMER || COMPILE_TEST
+ 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.
endmenu
