mfd: Add STM32 LPTimer driver
STM32 Low-Power Timer hardware block can be used for: - PWM generation - IIO trigger (in sync with PWM) - IIO quadrature encoder counter PWM and IIO timer configuration are mixed in the same registers so we need a multi fonction driver to be able to share those registers. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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drivers/mfd/stm32-lptimer.c
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