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Message-Id: <337231c0fc8b16b4f37e1e3b85cb0246f357a64d.1411513109.git.joshc@codeaurora.org>
Date: Tue, 23 Sep 2014 18:04:37 -0500
From: Josh Cartwright <joshc@...eaurora.org>
To: Wim Van Sebroeck <wim@...ana.be>, linux-watchdog@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: linux-arm-msm@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
Kumar Gala <galak@...eaurora.org>,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
devicetree@...r.kernel.org
Subject: [PATCH v2 2/3] watchdog: qcom: document device tree bindings
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@...eaurora.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..6a1d758
--- /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 phandle
+- timeout-sec : shall contain the default watchdog timeout in seconds,
+ if unset, the default timeout is 30 seconds
+
+Example:
+ watchdog@...a038 {
+ 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
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