Thread (2 messages) 2 messages, 2 authors, 2014-09-26

Re: [PATCH v4 2/3] watchdog: qcom: document device tree bindings

From: Guenter Roeck <hidden>
Date: 2014-09-26 03:20:08
Also in: linux-arm-kernel, linux-arm-msm, linux-watchdog, lkml

On 09/25/2014 03:51 PM, Josh Cartwright wrote:
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 <redacted>
Reviewed-by: Guenter Roeck <redacted>
quoted hunk ↗ jump to hunk
---
  .../devicetree/bindings/watchdog/qcom-wdt.txt      | 24 ++++++++++++++++++++++
  1 file changed, 24 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..4726924
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
@@ -0,0 +1,24 @@
+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
+
+Optional properties :
+- 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>;
+	};
--
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