[PATCH v2 06/11] dt-bindings: timer: Add Sophgo sg2042 clint
Conor Dooley
conor at kernel.org
Thu Sep 21 01:05:32 PDT 2023
On Thu, Sep 21, 2023 at 08:43:47AM +0800, Inochi Amaoto wrote:
> >>>> but not one. In another word, there is no need to defined mtimer and ipi
> >>>> device on the same base address.
> >>>
> >>> There's also no need to have two compatibles for the same interrupt
> >>> controller, so I do not get this reasoning. What actually _requires_
> >>> them to be split?
> >>>
> >>
> >> Yes, it is one, but can be mapped into different address. So I think we
> >> need two.
> >
> >Not two compatibles though, just two memory addresses that you need to
> >locate (or maybe even 3, for SSWI?)
> >
>
> We may need four (mtime, mtimecmp, mswi, sswi) if use register range.
Why would you need 4? The first two certainly could be individual
reg entries, no?
> Anyway, I will use a vendor spec implementation as a temporary solution.
> I hope this will be corrected in a predictable future, and we can use a
> standard way to resolve this at that time. :)
If the spec doesn't get frozen, there'll not be a standard way merged.
Hopefully not too many others go off an implement non-frozen specs, and
we will not really need to worry all that much about it.
Cheers,
Conor.
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