From: miguel.gaio@efixo.com (Miguel GAIO)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] gpio: 74x164: Add support for the daisy-chaining
Date: Wed, 12 Sep 2012 09:23:35 +0200 [thread overview]
Message-ID: <1347434615.10232.1.camel@mgo-thinkpad> (raw)
In-Reply-To: <CACRpkdZ6umqe0Td=OkF-5yYU624M2AAakVjt17rOjejcNdawzg@mail.gmail.com>
On Tue, 2012-09-11 at 23:51 +0200, Linus Walleij wrote:
> On Tue, Sep 11, 2012 at 7:05 PM, Linus Walleij <linus.walleij@linaro.org> wrote:
> > On Mon, Sep 10, 2012 at 10:35 PM, Maxime Ripard
> > <maxime.ripard@free-electrons.com> wrote:
> >
> >> The shift registers have an output pin that, when enabled, propagates
> >> the values of its internal register to the pins. If another value comes
> >> to the register while the output pin is disabled, this new value will
> >> makae the older shift into the next register in the chain.
> >>
> >> This patch adds support for daisy-chaining the registers, using the
> >> regular SPI chip select mechanism to manage the output pin, and the
> >> registers-number dt property to set the number of chained registers.
> >>
> >> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> >
> > OK cool, but I just realized that this driver was added just two
> > years ago by Gabor and Miguel, so I'd like to get their feedback
> > before continuing.
>
> Tentatively applied waiting for feedback from Miguel...
All is ok for me.
Miguel
>
> Thanks!
> Linus Walleij
next prev parent reply other threads:[~2012-09-12 7:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-10 20:35 [PATCHv3 0/3] gpios: Add daisy-chaining and dt support to 74x164 Maxime Ripard
2012-09-10 20:35 ` [PATCH 1/3] gpio: 74x164: Add support for the daisy-chaining Maxime Ripard
2012-09-11 17:05 ` Linus Walleij
2012-09-11 19:35 ` Gabor Juhos
2012-09-11 21:51 ` Linus Walleij
2012-09-12 7:23 ` Miguel GAIO [this message]
2012-09-10 20:35 ` [PATCH 2/3] gpio: 74x164: dts: Add documentation for the dt binding Maxime Ripard
2012-09-11 17:22 ` Linus Walleij
2012-09-11 21:52 ` Linus Walleij
2012-09-12 11:51 ` Maxime Ripard
2012-09-10 20:35 ` [PATCH 3/3] ARM: dts: cfa10049: Add the 74HC595 gpio expanders Maxime Ripard
2012-09-12 2:30 ` Shawn Guo
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