From: Josh Cartwright <joshc@codeaurora.org>
To: Wim Van Sebroeck <wim@iguana.be>, linux-kernel@vger.kernel.org
Cc: linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Kumar Gala <galak@codeaurora.org>,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
devicetree@vger.kernel.org
Subject: [PATCH 2/3] watchdog: qcom: document device tree bindings
Date: Thu, 18 Sep 2014 17:27:00 -0500 [thread overview]
Message-ID: <2fb34baf36df6c5ca086c2bb496474e4bf28f0ba.1411078426.git.joshc@codeaurora.org> (raw)
In-Reply-To: <cover.1411078425.git.joshc@codeaurora.org>
In-Reply-To: <cover.1411078425.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 | 21 +++++++++++++++++++++
1 file changed, 21 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..e65cb8e
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
@@ -0,0 +1,21 @@
+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
+- clock-frequency : shall contain the frequency at which the watchdog ticks
+- timeout-sec : shall contain the default watchdog timeout in seconds
+
+Example:
+ watchdog@208a038 {
+ compatible = "qcom,kpss-wdt-ipq8064";
+ reg = <0x0208a038 0x40>;
+ clock-frequency = <32768>;
+ timeout-sec = <10>;
+ };
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation
prev parent reply other threads:[~2014-09-18 22:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-18 22:26 [PATCH 0/3] watchdog: add support for QCOM WDT Josh Cartwright
2014-09-18 22:26 ` [PATCH 1/3] watchdog: qcom: add support for KPSS WDT Josh Cartwright
[not found] ` <32d17907ad1dfdcafe4e76f33adc2ff22631cd28.1411078425.git.joshc-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-09-19 2:41 ` Guenter Roeck
2014-09-19 3:24 ` Josh Cartwright
2014-09-19 3:41 ` Guenter Roeck
2014-09-19 16:25 ` Josh Cartwright
2014-09-19 16:56 ` Guenter Roeck
2014-09-18 22:27 ` Josh Cartwright [this message]
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