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Add new at91sam9 watchdog properties to the documentation.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add device tree support for exynos5250 and 5420 SoCs and use syscon regmap interface
to configure AUTOMATIC_WDT_RESET_DISABLE and MASK_WDT_RESET_REQUEST registers of PMU
to mask/unmask enable/disable of watchdog in probe and s2r scenarios.
Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This patch adds a watchdog driver for devices controlled through GPIO,
(Analog Devices ADM706, Maxim MAX823, National NE555 etc).
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The keystone arch uses the same IP watchdog, so add "ti,keystone-wdt"
compatible and correct identity.
The Keystone arch is using clocks in DT and source clock for watchdog
has to be specified, so add this to binding.
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Since Davinci WDT has been switched to use WDT core, it became able
to support timeout-sec property, so add it to it's binding description.
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add device tree support to the DW watchdog timer.
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Pavel Machek <pavel@denx.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Viresh Kumar <viresh.linux@gmail.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: devicetree@vger.kernel.org
Cc: linux-watchdog@vger.kernel.org
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On CSR SiRFprimaII and SiRFatlasVI, the 6th timer can act as a watchdog
timer when the Watchdog mode is enabled.
watchdog occur when TIMER watchdog counter matches the value software
pre-set, when this event occurs, the effect is the same as the system
software reset.
Signed-off-by: Xianglong Du <Xianglong.Du@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Cc: Romain Izard <romain.izard.pro@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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I accidently put the devicetree bindings for the MEN A21 watchdog driver in
Documentation/devicetree/bindings/gpio instead of
Documentation/devicetree/bindings/watchdog, this patch addresses this error.
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Rob Landley <rob@landley.net>
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Add a driver for the watchdog timer found on Ralink SoC
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: linux-watchdog@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree-discuss@lists.ozlabs.org
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This patch adds a watchdog driver for the main hardware watchdog timer
found on MOXA ART SoCs.
The MOXA ART SoC provides one writable timer register, restarting
the hardware once it reaches zero. The register is auto decremented
every APB clock cycle.
Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The Allwinner A31 has a different watchdog, with a slightly different
register layout, that requires a different restart code.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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This adds a driver for watchdog timer hardware present on Broadcom BCM2835 SoC,
used in Raspberry Pi and Roku 2 devices.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: linux-rpi-kernel@lists.infradead.org
Cc: linux-watchdog@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
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This adds support for probing the COH 901 327 watchdog from
the device tree and also adds associated bindings.
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The Allwinner sun6i (A31) has a slightly different watchdog, that
doesn't allow to use the already existing restart code.
Rework a bit the restart code to allow to plug in more easily different
restart handlers depending on the device tree.
In the past, we were also meaning sunxi as a generic name covering all
Allwinner SoCs. This won't be true anymore with the A31 (sun6i) that
differs pretty much from sun4i and sun5i, and we will end up having
sunxi, for sun4i and sun5i, and sun6i, which is neither consistent nor
convenient. So, while we're at it, also change sunxi to sun4i.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Add DT support for at91rm9200_wdt.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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this patchset add the timeout-sec property to the following drivers:
orion_wdt, pnx4008_wdt, s3c2410_wdt and at91sam9_wdt.
The at91sam9_wdt is tested on evk-pr3,
the other drivers are compile tested only.
Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Cc: Masanari Iida <standby24x7@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: devicetree-discuss@lists.ozlabs.org
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Correct spelling typos within Documentation/devicetree
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Add DT support for twl4030_wdt. This is needed to get twl4030_wdt to
probe when booting with DT.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This adds OF support for davinci_wdt driver.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Pull ARM SoC device tree conversions and enablement from Olof Johansson:
"Continued device tree conversion and enablement across a number of
platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
smaller series as well.
ux500 has seen continued conversion for platforms. Several platforms
have seen pinctrl-via-devicetree conversions for simpler
multiplatform. Tegra is adding data for new devices/drivers, and
Exynos has a bunch of new bindings and devices added as well.
So, pretty much the same progression in the right direction as the
last few releases."
Fix up conflicts as per Olof.
* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (185 commits)
ARM: ux500: Rename dbx500 cpufreq code to be more generic
ARM: dts: add missing ux500 device trees
ARM: ux500: Stop registering the PCM driver from platform code
ARM: ux500: Move board specific GPIO info out to subordinate DTS files
ARM: ux500: Disable the MMCI gpio-regulator by default
ARM: Kirkwood: remove kirkwood_ehci_init() from new boards
ARM: Kirkwood: Add support LED of OpenBlocks A6
ARM: Kirkwood: Convert to EHCI via DT for OpenBlocks A6
ARM: kirkwood: Add NAND partiton map for OpenBlocks A6
ARM: kirkwood: Add support second I2C bus and RTC on OpenBlocks A6
ARM: kirkwood: Add support DT of second I2C bus
ARM: kirkwood: Convert mplcec4 board to pinctrl
ARM: Kirkwood: Convert km_kirkwood to pinctrl
ARM: Kirkwood: support 98DX412x kirkwoods with pinctrl
ARM: Kirkwood: Convert IX2-200 to pinctrl.
ARM: Kirkwood: Convert lsxl boards to pinctrl.
ARM: Kirkwood: Convert ib62x0 to pinctrl.
ARM: Kirkwood: Convert GoFlex Net to pinctrl.
ARM: Kirkwood: Convert dreamplug to pinctrl.
ARM: Kirkwood: Convert dockstar to pinctrl.
...
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From Maxime Ripard:
Here is a pull request to add the support for Allwinner A10 SoCs.
* sunxi/soc2:
ARM: sunxi: Add sunxi restart function via onchip watchdog
ARM: sunxi: Add sun4i and cubieboard support
ARM: sunxi: Add earlyprintk support for UART0 (sun4i)
ARM: sunxi: Restructure sunxi dts/dtsi files
Signed-off-by: Olof Johansson <olof@lixom.net>
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Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Tested on an at91sam9260 board (evk-pro3)
Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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Implement the machine restart hook using the SoC's watchdog timer module.
To support this, define a DT binding for the watchdog module, and add it
to the device tree.
The downstream rpi-split branch contains a full watchdog timer driver
implementation, which also implements the restart hook. However, the
restart function is largely separate from the watchdog driver, so for
simplicity, the restart hook is implemented here directly in the main
machine source file.
Overall structure (separate setup/restart) functions derived from the
picoxcell ARM support.
Watchdog register IO sequence taken from code by Simon Arlott. Note that
the watchdog module is not documented in BCM2835-ARM-Peripherals.pdf.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
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Pull arm-soc Marvell Orion device-tree updates from Olof Johansson:
"This contains a set of device-tree conversions for Marvell Orion
platforms that were staged early but took a few tries to get the
branch into a format where it was suitable for us to pick up.
Given that most people working on these platforms are hobbyists with
limited time, we were a bit more flexible with merging it even though
it came in late."
* tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits)
ARM: Kirkwood: Replace mrvl with marvell
ARM: Kirkwood: Describe GoFlex Net LEDs and SATA in DT.
ARM: Kirkwood: Describe Dreamplug LEDs in DT.
ARM: Kirkwood: Describe iConnects LEDs in DT.
ARM: Kirkwood: Describe iConnects temperature sensor in DT.
ARM: Kirkwood: Describe IB62x0 LEDs in DT.
ARM: Kirkwood: Describe IB62x0 gpio-keys in DT.
ARM: Kirkwood: Describe DNS32? gpio-keys in DT.
ARM: Kirkwood: Move common portions into a kirkwood-dnskw.dtsi
ARM: Kirkwood: Replace DNS-320/DNS-325 leds with dt bindings
ARM: Kirkwood: Describe DNS325 temperature sensor in DT.
ARM: Kirkwood: Use DT to configure SATA device.
ARM: kirkwood: use devicetree for SPI on dreamplug
ARM: kirkwood: Add LS-XHL and LS-CHLv2 support
ARM: Kirkwood: Initial DTS support for Kirkwood GoFlex Net
ARM: Kirkwood: Add basic device tree support for QNAP TS219.
ATA: sata_mv: Add device tree support
ARM: Orion: DTify the watchdog timer.
ARM: Orion: Add arch support needed for I2C via DT.
ARM: kirkwood: use devicetree for orion-spi
...
Conflicts:
drivers/watchdog/orion_wdt.c
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Add device tree support to the Orion watchdog timer, and enable its
use in the kirkwood devices using device tree.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@googlemail.com>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
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Add wdt node to support dt.
Signed-off-by: Xiao Jiang <jgq516@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This patch adds device tree support to pnx4008-wdt.c
Signed-off-by: Roland Stigge <stigge@antcom.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Adds device tree probe support for imx2_wdt driver.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This patch adds the of_match_table to enable s3c2410-wdt driver
to be probed when watchdog device node is found in the device tree.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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