Re: [PATCH 5/7] arm64: allwinner: h6: Add RTC node

From: Jagan Teki
Date: Thu Nov 01 2018 - 03:34:12 EST


On Thu, Nov 1, 2018 at 8:25 AM Chen-Yu Tsai <wens@xxxxxxxx> wrote:
>
> On Thu, Nov 1, 2018 at 2:37 AM Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > From: Jagan Teki <jagan@xxxxxxxxxxxx>
> >
> > RTC controller is similar to A31, so use the same compatible
> > for H6 and update interrupt numbers as per manual.
>
> No. Unfortunately they are not that compatible. The A31 does not have
> the RTC clock output. So everyone got it wrong. :( Plus the clock rate
> of the internal RC oscillator varies between SoCs. I'm working on a
> series of patches to correct this. Stay tuned.

4 bit, EXT_LOSC_EN of LOSC_CTRL_REG (0x00) seem available in H6. I can
see external clock working with WIFI for A31 compatible.