[Linux-stm32] [PATCH v7 5/6] clocksource: Add Low Power STM32 timers driver
Daniel Lezcano
daniel.lezcano at linaro.org
Mon May 18 20:18:26 UTC 2020
On 20/04/2020 14:16, Benjamin Gaignard wrote:
> From: Benjamin Gaignard <benjamin.gaignard at linaro.org>
>
> Implement clock event driver using low power STM32 timers.
> Low power timer counters running even when CPUs are stopped.
> It could be used as clock event broadcaster to wake up CPUs but not like
> a clocksource because each it rise an interrupt the counter restart from 0.
>
> Low power timers have a 16 bits counter and a prescaler which allow to
> divide the clock per power of 2 to up 128 to target a 32KHz rate.
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard at linaro.org>
> Signed-off-by: Pascal Paillet <p.paillet at st.com>
Acked-by: Daniel Lezcano <daniel.lezcano at linaro.org>
[ ... ]
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