Re: [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl

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2021年5月9日(日) 9:27 Linus Walleij <linus.walleij@xxxxxxxxxx>:
>
> On Sun, May 9, 2021 at 1:02 AM Mark Kettenis <mark.kettenis@xxxxxxxxx> wrote:
> > [Me]
> > > On Sat, May 8, 2021 at 4:20 PM Mark Kettenis <kettenis@xxxxxxxxxxx> wrote:
>
> > My U-Boot driver is here:
>
> Thanks! Looks nice.
>
> > > > +description: |
> > > > +  The Apple GPIO controller is a simple combined pin and GPIO controller
> > >
> > > spelling
> >
> > Not sure I'm seeing a spelling mistake here.  Do you want a comma
> > inserted somewhere?
>
> Your original mail says "conroller" but the helpful google mail
> editor autocorrected the mistake when I hit enter after it.
>
> > > So is this an entirely Apple thing now, and not based on some Samsung
> > > block from S3C like what we have seen before?
> >
> > As far as I can tell, yes.  This Apple controller has a single
> > register per pin that controls the muxing and gpio functions, whereas
> > the S3C controller seems to have 4 registers per pin.
>
> Fair enough.
>

Right, doesn't sound like any Samsung pin controller I'm familiar
with, although I haven't followed new hardware developments since I
left Samsung a few years ago. I've stayed as a maintainer mostly to
help with the legacy SoCs I had worked with, e.g. s3c6410. :)

Best regards,
Tomasz




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