From: Evan Benn <evanbenn@chromium.org> To: LKML <linux-kernel@vger.kernel.org> Cc: jwerner@chromium.org, Evan Benn <evanbenn@chromium.org>, devicetree@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>, "David S. Miller" <davem@davemloft.net>, Jonathan Cameron <Jonathan.Cameron@huawei.com>, Mauro Carvalho Chehab <mchehab+samsung@kernel.org>, Wim Van Sebroeck <wim@linux-watchdog.org>, Rob Herring <robh+dt@kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Mark Rutland <mark.rutland@arm.com>, linux-watchdog@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: watchdog: Add arm,smc-wdt watchdog arm,smc-wdt compatible Date: Fri, 14 Feb 2020 17:26:36 +1100 [thread overview] Message-ID: <20200214172512.1.I02ebc5b8743b1a71e0e15f68ea77e506d4e6f840@changeid> (raw) In-Reply-To: <20200214062637.216209-1-evanbenn@chromium.org> This watchdog can be used on ARM systems with a Secure Monitor firmware to forward watchdog operations to firmware via a Secure Monitor Call. Signed-off-by: Evan Benn <evanbenn@chromium.org> --- .../bindings/watchdog/arm,smc-wdt.yaml | 30 +++++++++++++++++++ MAINTAINERS | 6 ++++ 2 files changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/arm,smc-wdt.yaml diff --git a/Documentation/devicetree/bindings/watchdog/arm,smc-wdt.yaml b/Documentation/devicetree/bindings/watchdog/arm,smc-wdt.yaml new file mode 100644 index 000000000000..5170225b0c98 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/arm,smc-wdt.yaml @@ -0,0 +1,30 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/arm,smc-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM Secure Monitor Call based watchdog + +allOf: + - $ref: "watchdog.yaml#" + +maintainers: + - Julius Werner <jwerner@chromium.org> + +properties: + compatible: + enum: + - arm,smc-wdt + +required: + - compatible + +examples: + - | + watchdog { + compatible = "arm,smc-wdt"; + timeout-sec = <15>; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index e48ab79879ac..5c45536e1177 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1421,6 +1421,12 @@ S: Maintained F: Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt F: drivers/irqchip/irq-al-fic.c +ARM SMC WATCHDOG DRIVER +M: Julius Werner <jwerner@chromium.org> +R: Evan Benn <evanbenn@chromium.org> +S: Maintained +F: devicetree/bindings/watchdog/arm,smc-wdt.yaml + ARM SMMU DRIVERS M: Will Deacon <will@kernel.org> R: Robin Murphy <robin.murphy@arm.com> -- 2.25.0.265.gbab2e86ba0-goog
next prev parent reply other threads:[~2020-02-14 6:26 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-02-14 6:26 [PATCH 0/2] Add a watchdog driver that uses ARM Secure Monitor Calls Evan Benn 2020-02-14 6:26 ` Evan Benn [this message] 2020-02-19 22:30 ` [PATCH 1/2] dt-bindings: watchdog: Add arm,smc-wdt watchdog arm,smc-wdt compatible Rob Herring 2020-02-19 23:04 ` Julius Werner 2020-02-19 23:20 ` Guenter Roeck 2020-02-20 6:41 ` Evan Benn 2020-02-20 15:43 ` Guenter Roeck 2020-02-21 15:36 ` Xingyu Chen 2020-02-21 19:41 ` Julius Werner 2020-02-21 20:46 ` Guenter Roeck 2020-02-22 4:01 ` Xingyu Chen 2020-02-24 1:10 ` Evan Benn 2020-02-25 1:23 ` Julius Werner 2020-02-25 7:44 ` Xingyu Chen 2020-03-10 1:00 ` Evan Benn [not found] ` <ad28aa47-0490-937f-898f-0e4695ef6ec6@amlogic.com> 2020-03-11 19:24 ` Julius Werner 2020-03-13 16:13 ` Xingyu Chen 2020-02-14 6:26 ` [PATCH 2/2] watchdog: Add new arm_smc_wdt watchdog driver Evan Benn 2020-02-14 9:35 ` Enric Balletbo Serra 2020-02-14 14:10 ` Guenter Roeck 2020-02-14 21:32 ` Julius Werner 2020-02-15 1:39 ` Evan Benn 2020-02-20 6:50 ` Evan Benn 2020-02-20 15:52 ` Guenter Roeck
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