Re: [PATCH] of: property: Add device link support for interrupts

[Marc Zyngier]

On 2021-01-07 17:08, Saravana Kannan wrote:
> On Thu, Jan 7, 2021 at 8:48 AM Rob Herring <robh@xxxxxxxxxx> wrote:
> > On Wed, Jan 6, 2021 at 6:26 PM Saravana Kannan <saravanak@xxxxxxxxxx> 
> > wrote:
> > >
> > > On Wed, Jan 6, 2021 at 10:52 AM Saravana Kannan <saravanak@xxxxxxxxxx> wrote:

[...]

> > > > I wasn't aware of interrupt-map until a few weeks ago and didn't know
> > > > it carried phandles. I can add support for that too. There's no reason
> > > > for all of them to go in one patch though.
> > >
> > > Hmm... I looked at
> > > Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> > > and it has no documentation for interrupt-map. There's a bunch of
> > > references to it in device specific DT binding documentation but I
> > > don't want to rely on those for correctness.
> >
> > See the DT spec and there's also details on elinux.org. It's only
> > existed since the 1990s.
>
> Thanks :) Will try to find it there.

My document of reference is [1]. Although interrupt-map appears
there in the context of PCI, it is in no way specific to a specific
bus.

HTH,

        M.

[1] https://www.openbios.org/data/docs/rec.intmap.d09.pdf
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