From: joshc@codeaurora.org (Josh Cartwright)
To: linux-arm-kernel@lists.infradead.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>
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 at 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
next prev parent reply other threads:[~2014-09-18 22:27 UTC|newest]
Thread overview: 14+ 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
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]
2014-09-18 22:27 ` [PATCH 3/3] watchdog: qcom: register a restart notifier Josh Cartwright
2014-09-19 2:47 ` Guenter Roeck
2014-09-19 3:32 ` Josh Cartwright
2014-09-19 4:03 ` Guenter Roeck
2014-09-19 16:29 ` Josh Cartwright
2014-09-19 12:47 ` Pramod Gurav
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