[PATCH 1/6] dt-bindings: interrupt-controller: apple,aic: Add apple,aic2 support

[Mark Kettenis]

> From: Hector Martin <marcan at marcan.st>
> Date: Sat, 11 Dec 2021 21:28:10 +0900
> 
> On 10/12/2021 02.28, Rob Herring wrote:
> > On Thu, Dec 09, 2021 at 01:32:44PM +0900, Hector Martin wrote:
> <snip>
> >> +  - if:
> >> +      properties:
> >> +        compatible:
> >> +          contains:
> >> +            enum:
> >> +              - apple,aic2
> >> +    then:
> >> +      required:
> >> +        - apple,event-reg
> > 
> > Is this property valid for aic1? If not, you need:
> > 
> > else:
> >    not:
> >      required:
> >        - apple,event-reg
> > 
> 
> Thanks, I wasn't sure how to do this. Took me a second to realize how 
> the logic works here, heh.
> 
> > 
> > I tend to think you should just make this a separate document. There's
> > not a whole lot of sharing (compared to any other interrupt controller).
> 
> Good point. I just kind of defaulted to this way because the driver is 
> the same (and does share a bunch), but indeed the binding doesn't really 
> reflect any of that. I'll split it off into another document for v2. 
> Might as well make the 4-argument interrupt form mandatory then (we use 
> it for all DTs, even the current 1-die machines, on AICv2 SoCs; the 
> driver can handle both but we might as well be stricter with the binding).

Simpler that way, so I'd support that.