Re: [PATCH V4 1/5] dt-bindings: rtc: Remove the LS2X from the trivial RTCs

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On Sun, May 28, 2023 at 6:22 AM Conor Dooley <conor@xxxxxxxxxx> wrote:
>
> On Sat, May 27, 2023 at 10:59:48PM +0100, Jiaxun Yang wrote:
> > > 2023年5月27日 17:23,Conor Dooley <conor@xxxxxxxxxx> 写道:
> > > On Sat, May 27, 2023 at 05:13:39PM +0100, Jiaxun Yang wrote:
>
> > >> My recommendation is leaving compatible string as is.
> > >
> > > "as is" meaning "as it is right now in Linus' tree", or "as it is in
> > > this patch"?
> >
> > Ah sorry I meant in this patch.
> >
> > Since there won’t be any new ls1x chip that will boot Linux any time soon (due to
> > Loongson move away from MIPS but LoongArch32 is undefined for now), and
> > rest compatible strings are wide enough to cover their family, I think the present
> > compatible strings in this patch describes hardware best.
>
> I don't see why new bindings being written for old hardware should somehow
> be treated differently than new bindings for new hardware.

Let me add that ls1b RTC and ls1c RTC are not exactly the same.
The former supports RTC interrupt, while the latter does not.
So my suggestion is to leave the compatible string as it is in this patch.

-- 
Best regards,

Keguang Zhang




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