Re: [PATCH 1/2] gpio: gpio-74x164: add support for CDx4HC4094

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On Mon, Jul 25, 2022 at 11:32 AM Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
>
> On Thu, Jul 21, 2022 at 11:32 AM Marcus Folkesson
> <marcus.folkesson@xxxxxxxxx> wrote:
> >
> > 74hc4094 and 75hc4094 works similar to 74x164 but has an additional
> > storage latch associated with each stage for strobing data from the
> > serial input to parallell buffer tri-state output.
>
> parallel
>
> > Add support for an optional strobe pin.
>
> Sorry for my absence of understanding, but why?
> SPI has MOSI, CLK, CS, where the last one is exactly for that. No?

I have a 595 register which also has a latch. What I expect to see in
this series is just a compatible string addition (but again, why even
that is needed?).


-- 
With Best Regards,
Andy Shevchenko



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