[PATCH V7, RESEND 2/2] doc: mtk-wdt: support pre-timeout when the bark irq is available

[Rob Herring]

On Fri, 23 Apr 2021 11:20:20 +0800, Wang Qing wrote:
> Add description of pre-timeout in mtk-wdt.
> 
> Signed-off-by: Wang Qing <wangqing at vivo.com>
> ---
>  Documentation/devicetree/bindings/watchdog/mtk-wdt.txt | 5 +++++
>  1 file changed, 5 insertions(+)
> 

Acked-by: Rob Herring <robh at kernel.org>