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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


  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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