Re: [1/2] drivers/watchdog: Document new aspeed optional dev tree properties.

[Christopher Bostic]

On 6/24/17 5:07 PM, Guenter Roeck wrote:
> On Tue, Jun 13, 2017 at 03:38:17PM -0500, Christopher Bostic wrote:
> > Describe new optional property 'external-signal'.  When present in the
> > system device tree an exernal signal is generated on watchdog timeout.
> >
> > Describe new optional property 'no-system-reset'.  When present in the
> > system device tree no system reset is to occur on watchdog timeout.
> > System reset in this case is managed by one of the other watchogs
> > available.
> >
> > Signed-off-by: Christopher Bostic <cbostic@xxxxxxxxxxxxxxxxxx>
> This requires DT maintainer approval, but DT maintainers were not copied.
> Please resend and use scripts/get_maintainer.pl to determine who to send
> it to.
>
> Guenter

Hi Guenter,

Will resend with maintainers copied.

Thanks
-Chris

> > ---
> >   Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt | 11 +++++++++++
> >   1 file changed, 11 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
> > index c5e74d7..4099ea5 100644
> > --- a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
> > +++ b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
> > @@ -8,9 +8,20 @@ Required properties:
> >    - reg: physical base address of the controller and length of memory mapped
> >      region
> >   
> > +Optional properties:
> > + - external-signal: If the property is present then an external signal is to
> > +   be generated on watchdog timeout.  If absent, external signal is not
> > +   generated.
> > +
> > + - no-system-reset: If the property is present then system will not be reset
> > +   on watchdog timeout. In this case one of the other watchdogs will handle
> > +   reset.  If absent then the watchdog resets the system on timeout.
> > +
> >   Example:
> >   
> >   	wdt1: watchdog@1e785000 {
> >   		compatible = "aspeed,ast2400-wdt";
> >   		reg = <0x1e785000 0x1c>;
> > +		external-signal;
> > +		no-system-reset;
> >   	};