Re: [PATCH v3 07/12] arm64: dts: renesas: r9a08g045: Add VBATTB node

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Hi Stephen,

On Thu, Sep 5, 2024 at 8:09 PM Stephen Boyd <sboyd@xxxxxxxxxx> wrote:
> Quoting claudiu beznea (2024-09-04 05:17:30)
> > On 03.09.2024 22:48, Stephen Boyd wrote:
> > > The node name should be something like clock-<frequency> but if the
> > > frequency is different per-board then I don't know what should happen
> > > here.
> >
> > The frequency should be always around 32768 Hz but not necessarily exactly
> > 32768 Hz. It depends on what is installed on the board, indeed. RTC can do
> > time error adjustments based on the variations around 32768 Hz.
> >
> > > Can you leave the vbattb_xtal phandle up above and then require
> > > the node to be defined in the board with the proper frequency after the
> > > dash?
> >
> > Is it OK for you something like this (applied on top of this series)?
>
> Yes, it's too bad we can't append to a property in DT, or somehow leave
> alone certain cells and only modify one of them.

My main objections are that (1) this approach is different than the one used
for all other external clock inputs on Renesas SoCs, and (2) this requires
duplicating part of the clocks property in all board DTS files.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds





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