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

[Guenter Roeck]

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 <joshc at codeaurora.org>

Reviewed-by: Guenter Roeck <linux at roeck-us.net>

> ---
>   .../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>;
> +	};
>