[PATCH 1/3] gpio: 74x164: Add support for the daisy-chaining
miguel.gaio at efixo.com
Wed Sep 12 03:23:35 EDT 2012
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 at linaro.org> wrote:
> > On Mon, Sep 10, 2012 at 10:35 PM, Maxime Ripard
> > <maxime.ripard at 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 at 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.
> Linus Walleij
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