From: Guy Shapiro <guy.shapiro@mobi-wize.com>
To: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Sebastian Reichel <sre@kernel.org>,
Fabio Estevam <fabio.estevam@nxp.com>
Cc: Guy Shapiro <guy.shapiro@mobi-wize.com>,
devicetree@vger.kernel.org, linux-pm@vger.kernel.org,
rtc-linux@googlegroups.com, Sascha Hauer <kernel@pengutronix.de>,
linux-arm-kernel@lists.infradead.org,
Alexandre Belloni <alexandre.belloni@free-electrons.com>
Subject: [rtc-linux] [PATCH 0/2] imx: Fix power-up on RTC alarm
Date: Tue, 7 Feb 2017 14:54:12 +0200 [thread overview]
Message-ID: <1486472054-4367-1-git-send-email-guy.shapiro@mobi-wize.com> (raw)
Currently, the syscon-poweroff driver cleans the alarm enable bit during power
off. This behaviour makes it impossible to wake up the device using the RTC.
The first patch adds a mask option to the syscon-poweroff driver. It uses the
method suggested by Sebastian Reichel [0] to maintain compatibility with the
old binding.
The second patch update the device trees for the snvs component users.
Although I believe this should work on all the modified devices, I had only
imx6ul to test with.
Making the wake-up alarm work may require applying another patch [1], already
accepted to the rtc-snvs driver.
Thanks,
Guy.
[0] http://www.spinics.net/lists/devicetree/msg161527.html
[1] https://patchwork.ozlabs.org/patch/721155/
Guy Shapiro (2):
power: reset: syscon-poweroff: add a mask property
ARM: dts: imx: update snvs-poweroff mask
.../bindings/power/reset/syscon-poweroff.txt | 11 +++++++++--
arch/arm/boot/dts/imx6qdl.dtsi | 1 +
arch/arm/boot/dts/imx6sl.dtsi | 1 +
arch/arm/boot/dts/imx6sx.dtsi | 1 +
arch/arm/boot/dts/imx6ul.dtsi | 1 +
arch/arm/boot/dts/imx7s.dtsi | 1 +
drivers/power/reset/syscon-poweroff.c | 19 ++++++++++++++++---
7 files changed, 30 insertions(+), 5 deletions(-)
--
2.1.4
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next reply other threads:[~2017-02-07 12:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-07 12:54 Guy Shapiro [this message]
2017-02-07 15:56 ` [rtc-linux] [PATCH 1/2] power: reset: syscon-poweroff: add a mask property Guy Shapiro
2017-02-07 15:56 ` [rtc-linux] [PATCH 2/2] ARM: dts: imx: update snvs-poweroff mask Guy Shapiro
2017-02-15 22:00 ` [rtc-linux] Re: [PATCH 1/2] power: reset: syscon-poweroff: add a mask property Rob Herring
2017-03-15 20:45 ` Sebastian Reichel
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