Commit 7c92c3d5 authored by Josh Cartwright's avatar Josh Cartwright Committed by Wim Van Sebroeck

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: default avatarJosh Cartwright <joshc@codeaurora.org>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent 1094ebe9
Qualcomm Krait Processor Sub-system (KPSS) Watchdog
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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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