From: Willy Tarreau <w@1wt.eu>
To: David Brownell <david-b@pacbell.net>
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
Samuel Ortiz <sameo@linux.intel.com>,
Miguel Gaio <miguel.gaio@efixo.com>,
Juhos Gabor <juhosg@openwrt.org>,
David Brownell <dbrownell@users.sourceforge.net>,
Florian Fainelli <florian@openwrt.org>
Subject: Re: [PATCH] GPIO: add support for NXP 74HC164 GPIO expander
Date: Sun, 29 Aug 2010 12:10:34 +0200 [thread overview]
Message-ID: <20100829101034.GB16004@1wt.eu> (raw)
In-Reply-To: <461057.78283.qm@web180310.mail.gq1.yahoo.com>
On Sat, Aug 28, 2010 at 04:18:51PM -0700, David Brownell wrote:
>
> --- On Sat, 8/28/10, Florian Fainelli <florian@openwrt.org> wrote:
>
> > This patch adds support for
> > NXP's 74HC164 GPIO expander.
>
> The 74164 parts are standard 74xxx series
> discrete logic parts sold by many vendors
> as 8 bit shift registers ... and in many
> logic series (HC, HCT, more).
>
> At least describe this as generic to all
> those 8-bit shift registers, not just NXP.
Indeed, that was my concern too.
(...)
> p.s. I'd have to pull out my data sheet collection
> to verify, but it might be the 74163 which can
> be used as an 8 bit parallel to serial (input)
> shift register...
no, it's the 74165. But it would be worth supporting
both !
Willy
next prev parent reply other threads:[~2010-08-29 10:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-28 23:18 [PATCH] GPIO: add support for NXP 74HC164 GPIO expander David Brownell
2010-08-29 10:10 ` Willy Tarreau [this message]
2010-08-29 15:37 ` [PATCH v2] GPIO: add support for 74HC164 serial-in/parallel-out 8-bit shift register Florian Fainelli
2010-08-30 23:43 ` David Brownell
2010-08-31 8:17 ` Florian Fainelli
2010-08-31 10:44 ` [PATCH v3] GPIO: add support for 74x164 " Florian Fainelli
2010-09-01 7:25 ` Florian Fainelli
2010-09-01 9:37 ` [PATCH v4] " Florian Fainelli
2010-09-07 0:41 ` David Brownell
-- strict thread matches above, loose matches on Subject: below --
2010-08-28 20:19 [PATCH] GPIO: add support for NXP 74HC164 GPIO expander Florian Fainelli
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