From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@roeck-us.net (Guenter Roeck) Date: Thu, 25 Sep 2014 20:19:15 -0700 Subject: [PATCH v4 2/3] watchdog: qcom: document device tree bindings In-Reply-To: <84605584a0634ad35a7829daf5a148107aaabc72.1411684967.git.joshc@codeaurora.org> References: <84605584a0634ad35a7829daf5a148107aaabc72.1411684967.git.joshc@codeaurora.org> Message-ID: <5424DB33.1060700@roeck-us.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Reviewed-by: Guenter Roeck > --- > .../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 at 208a038 { > + compatible = "qcom,kpss-wdt-ipq8064"; > + reg = <0x0208a038 0x40>; > + clocks = <&sleep_clk>; > + timeout-sec = <10>; > + }; >