From: Evan Benn <evanbenn@chromium.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: jwerner@chromium.org, "Evan Benn" <evanbenn@chromium.org>,
"Anson Huang" <Anson.Huang@nxp.com>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Clément Péron" <peron.clem@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
"Dinh Nguyen" <dinguyen@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Guenter Roeck" <linux@roeck-us.net>,
"Jonathan Cameron" <Jonathan.Cameron@huawei.com>,
"Leonard Crestez" <leonard.crestez@nxp.com>,
"Marcin Juszkiewicz" <marcin.juszkiewicz@linaro.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"Mauro Carvalho Chehab" <mchehab+samsung@kernel.org>,
"Olof Johansson" <olof@lixom.net>,
"Rob Herring" <robh+dt@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Shawn Guo" <shawnguo@kernel.org>,
"Will Deacon" <will@kernel.org>,
"Wim Van Sebroeck" <wim@linux-watchdog.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
linux-watchdog@vger.kernel.org
Subject: [PATCH v2 0/2] Add a watchdog driver that uses ARM Secure Monitor Calls.
Date: Fri, 21 Feb 2020 16:38:00 +1100 [thread overview]
Message-ID: <20200221053802.70716-1-evanbenn@chromium.org> (raw)
This is currently supported in firmware deployed on oak, hana and elm mt8173
chromebook devices. The kernel driver is written to be a generic SMC
watchdog driver.
Arm Trusted Firmware upstreaming review:
https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/3405
Patch to add oak, hana, elm device tree:
https://lore.kernel.org/linux-arm-kernel/20200110073730.213789-1-hsinyi@chromium.org/
I would like to add the device tree support after the above patch is
accepted.
Changes in v2:
- Change name arm > mt8173
- use watchdog_stop_on_reboot
- use watchdog_stop_on_unregister
- use devm_watchdog_register_device
- remove smcwd_shutdown, smcwd_remove
- change error codes
Evan Benn (1):
dt-bindings: watchdog: Add mt8173,smc-wdt watchdog
Julius Werner (1):
watchdog: Add new mt8173_smc_wdt watchdog driver
.../bindings/watchdog/mt8173,smc-wdt.yaml | 30 ++++
MAINTAINERS | 7 +
arch/arm64/configs/defconfig | 1 +
drivers/watchdog/Kconfig | 13 ++
drivers/watchdog/Makefile | 1 +
drivers/watchdog/mt8173_smc_wdt.c | 160 ++++++++++++++++++
6 files changed, 212 insertions(+)
create mode 100644 Documentation/devicetree/bindings/watchdog/mt8173,smc-wdt.yaml
create mode 100644 drivers/watchdog/mt8173_smc_wdt.c
--
2.25.0.265.gbab2e86ba0-goog
next reply other threads:[~2020-02-21 5:38 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-21 5:38 Evan Benn [this message]
2020-02-21 5:38 ` [PATCH v2 1/2] dt-bindings: watchdog: Add mt8173,smc-wdt watchdog Evan Benn
2020-02-21 22:11 ` Rob Herring
2020-02-26 0:15 ` Evan Benn
2020-02-26 14:29 ` Rob Herring
2020-02-26 19:30 ` Julius Werner
-- strict thread matches above, loose matches on Subject: below --
2020-04-03 5:28 [PATCH v2 0/2] Add a watchdog driver that uses ARM Secure Monitor Calls Evan Benn
2020-04-03 6:08 ` Evan Benn
[not found] ` <CAKz_xw0gV+w_gMkLfB4qUBdULLfFoiv1TBWp9_PHy33wP_XWyA@mail.gmail.com>
[not found] ` <890948ef-7276-fdae-d270-eb30eff3eab2@amlogic.com>
2020-04-15 11:54 ` Xingyu Chen
2020-04-15 22:29 ` Julius Werner
2020-04-15 23:12 ` Guenter Roeck
2020-04-16 0:46 ` Evan Benn
2020-04-16 0:56 ` Julius Werner
2020-04-16 3:48 ` Florian Fainelli
2020-04-21 1:08 ` Evan Benn
2020-04-21 2:36 ` Florian Fainelli
2020-04-16 3:23 ` Xingyu Chen
2020-04-21 11:05 Evan Benn
2020-04-21 14:32 ` Guenter Roeck
2020-04-22 0:40 ` Evan Benn
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