Re: [linux-sunxi] [PATCH 0/3] Add basic support for RTC on Allwinner H6 SoC

[Chen-Yu Tsai <wens@csie.org>]

On Mon, Apr 15, 2019 at 10:33 PM Maxime Ripard
<maxime.ripard@bootlin.com> wrote:
>
> On Mon, Apr 15, 2019 at 04:22:22PM +0200, Ondřej Jirman wrote:
> > DT would still probably need a re-work in the future, if the PRCM clock
> > modeling the gate would be needed.
>
> Just reacting to that bit.
>
> I know we're pretty bad at this, and the documentation doesn't make it
> any easier, but if you have any idea of how it should be modelled
> next, then do that.

It seems to be just a clock gate, judging by previous (A80/A83T) SoCs.
However since we lack documents for the PRCM, we might need to poke
around to verify that it's actually there.

Or maybe we could ask Allwinner very specific questions, like:

  - Does the PRCM have a gate controlling XO?
  - Is it bit 2 in register 0x44 in the PRCM?

ChenYu

> There's no reason to push it to a later time, it makes everyone's life
> harder.
>
> Maxime
>
> --
> Maxime Ripard, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com
>
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