Messages in this thread | | | Date | Sun, 29 Aug 2010 12:10:34 +0200 | From | Willy Tarreau <> | Subject | Re: [PATCH] GPIO: add support for NXP 74HC164 GPIO expander |
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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
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