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| author |   Josh Cartwright <joshc@codeaurora.org> | 2014-09-25 17:51:03 -0500 |
|---|---|---|
| committer |   Wim Van Sebroeck <wim@iguana.be> | 2014-10-20 20:52:54 +0200 |
| commit | 7c92c3d58429c38557ffd7e6a69dc97522335454 (patch) | |
| tree | 334cf40fdb13f55e147d7819488fef7f26f36b53 /Documentation/devicetree | |
| parent | watchdog: qcom: add support for KPSS WDT (diff) | |
| download | linux-dev-7c92c3d58429c38557ffd7e6a69dc97522335454.tar.xz linux-dev-7c92c3d58429c38557ffd7e6a69dc97522335454.zip | |
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@codeaurora.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/watchdog/qcom-wdt.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt new file mode 100644 index 000000000000..4726924d034e --- /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>; + }; |