On 07/14/2014 02:16 PM, Harini Katakam wrote:
> Add cadence-wdt bindings documentation.
>
> Signed-off-by: Harini Katakam <harinik@xxxxxxxxxx>
> ---
>
> v3 changes:
> - Change reset property type and improve description.
> - Improve description of clocks and interrupts.
> - Use watchdog@ in the example.
> - Use only cdns compatible string for now.
>
> v2:
> No changes
>
> ---
> .../devicetree/bindings/watchdog/cadence-wdt.txt | 27 ++++++++++++++++++++
> 1 file changed, 27 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/watchdog/cadence-wdt.txt
>
> diff --git a/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt b/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt
> new file mode 100644
> index 0000000..ab23e38
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt
> @@ -0,0 +1,27 @@
> +Zynq Watchdog Device Tree Bindings
> +-------------------------------------------
> +
> +Required properties:
> +- compatible : Should be "cdns,wdt-r1p2".
> +- clocks : Input clock specifier. This should be the ref clk.
> +- reg : Physical base address and size of WDT registers map.
> +- interrupts : Property with a value describing the interrupt
> + number. This interrupt is used for indication
> + when the watchdog times out.
> +- interrupt-parent : Must be core interrupt controller.
> +
> +Optional properties
> +- reset : If this property exists, then a reset is done
> + when watchdog times out.
> +- timeout-sec : Watchdog timeout value (in seconds).
> +
> +Example:
> + watchdog@f8005000 {
> + compatible = "xlnx,zynq-wdt-r1p2";
According to description above - you should use cdns compatible string here too.
Thanks,
Michal
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