From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Benjamin Gaignard <benjamin.gaignard@st.com>,
fabrice.gasnier@st.com, lee.jones@linaro.org, robh+dt@kernel.org,
mark.rutland@arm.com, mcoquelin.stm32@gmail.com,
alexandre.torgue@st.com, tglx@linutronix.de
Cc: devicetree@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Benjamin Gaignard <benjamin.gaignard@linaro.org>,
Pascal Paillet <p.paillet@st.com>
Subject: Re: [PATCH v7 5/6] clocksource: Add Low Power STM32 timers driver
Date: Mon, 18 May 2020 22:18:26 +0200 [thread overview]
Message-ID: <9f737934-d92c-9ddf-f6fb-3ee64057ea18@linaro.org> (raw)
In-Reply-To: <20200420121620.2099-6-benjamin.gaignard@st.com>
On 20/04/2020 14:16, Benjamin Gaignard wrote:
> From: Benjamin Gaignard <benjamin.gaignard@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@linaro.org>
> Signed-off-by: Pascal Paillet <p.paillet@st.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
[ ... ]
--
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs
Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog
next prev parent reply other threads:[~2020-05-18 20:18 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-20 12:16 [PATCH v7 0/6] clockevent: add low power STM32 timer Benjamin Gaignard
2020-04-20 12:16 ` [PATCH v7 1/6] dt-bindings: mfd: Document STM32 low power timer bindings Benjamin Gaignard
2020-04-20 18:04 ` Rob Herring
2020-04-20 12:16 ` [PATCH v7 2/6] ARM: dts: stm32: Add timer subnodes on stm32mp15 SoCs Benjamin Gaignard
2020-04-20 12:16 ` [PATCH v7 3/6] mfd: stm32: Add defines to be used for clkevent purpose Benjamin Gaignard
2020-04-20 12:16 ` [PATCH v7 4/6] mfd: stm32: enable regmap fast_io for stm32-lptimer Benjamin Gaignard
2020-04-20 12:16 ` [PATCH v7 5/6] clocksource: Add Low Power STM32 timers driver Benjamin Gaignard
2020-05-05 7:26 ` [Linux-stm32] " Benjamin GAIGNARD
2020-05-15 15:25 ` Daniel Lezcano
2020-05-16 18:51 ` Benjamin GAIGNARD
2020-05-18 20:18 ` Daniel Lezcano [this message]
2020-04-20 12:16 ` [PATCH v7 6/6] ARM: mach-stm32: select low power timer for STM32MP157 Benjamin Gaignard
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=9f737934-d92c-9ddf-f6fb-3ee64057ea18@linaro.org \
--to=daniel.lezcano@linaro.org \
--cc=alexandre.torgue@st.com \
--cc=benjamin.gaignard@linaro.org \
--cc=benjamin.gaignard@st.com \
--cc=devicetree@vger.kernel.org \
--cc=fabrice.gasnier@st.com \
--cc=lee.jones@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-stm32@st-md-mailman.stormreply.com \
--cc=mark.rutland@arm.com \
--cc=mcoquelin.stm32@gmail.com \
--cc=p.paillet@st.com \
--cc=robh+dt@kernel.org \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).