From: Josh Cartwright <joshc@codeaurora.org>
To: Wim Van Sebroeck <wim@iguana.be>,
linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Pawel Moll <pawel.moll@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
linux-arm-msm@vger.kernel.org,
Randy Dunlap <rdunlap@infradead.org>,
linux-doc@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Kumar Gala <galak@codeaurora.org>,
Guenter Roeck <linux@roeck-us.net>
Subject: [PATCH v3 2/3] watchdog: qcom: document device tree bindings
Date: Thu, 25 Sep 2014 12:48:52 -0500 [thread overview]
Message-ID: <f49033de078aff9112fb8fa6fa4331e16998edf2.1411667144.git.joshc@codeaurora.org> (raw)
In-Reply-To: <cover.1411667144.git.joshc@codeaurora.org>
In-Reply-To: <cover.1411667144.git.joshc@codeaurora.org>
The Qualcomm Krait Processor Sub-system (KPSS) contains one or more
instances of the WDT. Provide documentation on how to describe these in
the device tree.
Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
---
.../devicetree/bindings/watchdog/qcom-wdt.txt | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
create mode 100644 Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
new file mode 100644
index 0000000..c75566e
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
@@ -0,0 +1,22 @@
+Qualcomm Krait Processor Sub-system (KPSS) Watchdog
+---------------------------------------------------
+
+Required properties :
+- compatible : shall contain only one of the following:
+
+ "qcom,kpss-wdt-msm8960"
+ "qcom,kpss-wdt-apq8064"
+ "qcom,kpss-wdt-ipq8064"
+
+- reg : shall contain base register location and length
+- clocks : shall contain the input clock
+- timeout-sec : shall contain the default watchdog timeout in seconds,
+ if unset, the default timeout is 30 seconds
+
+Example:
+ watchdog@208a038 {
+ compatible = "qcom,kpss-wdt-ipq8064";
+ reg = <0x0208a038 0x40>;
+ clocks = <&sleep_clk>;
+ timeout-sec = <10>;
+ };
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation
next prev parent reply other threads:[~2014-09-25 17:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1411667144.git.joshc@codeaurora.org>
2014-09-25 17:48 ` [PATCH v3 1/3] watchdog: qcom: add support for KPSS WDT Josh Cartwright
2014-09-25 18:38 ` Guenter Roeck
2014-09-25 19:00 ` Josh Cartwright
2014-09-25 17:48 ` Josh Cartwright [this message]
2014-09-25 18:43 ` [PATCH v3 2/3] watchdog: qcom: document device tree bindings Guenter Roeck
2014-09-25 19:01 ` Josh Cartwright
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