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From: nicolas saenz julienne <nicolassaenzj@gmail.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	Alexandre Courbot <gnurou@gmail.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>
Subject: Re: [PATCH] gpio: 74x164: add dt support for nxp's 74x594
Date: Tue, 22 Mar 2016 11:42:08 +0100	[thread overview]
Message-ID: <20160322104207.GA2842@marie-Aspire-5600> (raw)
In-Reply-To: <CAMuHMdW5Owzv06wnV34W3cYp=ibrONcfBVV6WST5VyvQ1ENjsA@mail.gmail.com>

Hi sorry for the late response but I was on vacation.
> 
> Why did you choose the "lvc" variant?
Well to be honest the HW people did and it's all I could test with.  I don't
know much about these naming schemes, apart from the intuition it has to do
with frequency and line levels.

> Ideally, you want to put the oldest "manuf,74x594" variant here.
What do you mean by oldest? What would you suggest? it's funny because the chip
is going to be used on a new product that is meant to be produced for years.

> I once read it was Motorola who invented the 7459x parts, to interface with
> SPI.
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 
Thanks for your comments!
	Nicolas

  reply	other threads:[~2016-03-22 10:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-14 23:32 [PATCH] gpio: 74x164: add dt support for nxp's 74x594 Nicolas Saenz Julienne
     [not found] ` <1457998330-8070-1-git-send-email-nicolassaenzj-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-03-15 15:27   ` Geert Uytterhoeven
2016-03-22 10:42     ` nicolas saenz julienne [this message]
2016-03-22 10:56       ` Geert Uytterhoeven
     [not found]         ` <CAMuHMdWTteucxUgBU=d6=bckaZrn0vmr8LYW08UdULEtQYFzpg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-03-22 23:16           ` Nicolas Saenz Julienne
2016-03-18 20:26 ` Rob Herring
2016-03-31  8:26 ` Linus Walleij

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