Re: [PATCH v3 2/3] watchdog: qcom: document device tree bindings

[Guenter Roeck]

On Thu, Sep 25, 2014 at 12:48:52PM -0500, 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 <joshc@xxxxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/watchdog/qcom-wdt.txt      | 22 ++++++++++++++++++++++
>  1 file changed, 22 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..c75566e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
> @@ -0,0 +1,22 @@
> +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
> +- timeout-sec : shall contain the default watchdog timeout in seconds,
> +                if unset, the default timeout is 30 seconds

Hi Josh,

timeout-sec is optional, not mandatory.

Thanks,
Guenter

> +
> +Example:
> +	watchdog@208a038 {
> +		compatible = "qcom,kpss-wdt-ipq8064";
> +		reg = <0x0208a038 0x40>;
> +		clocks = <&sleep_clk>;
> +		timeout-sec = <10>;
> +	};
> -- 
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
> hosted by The Linux Foundation
> 
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