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From: Tomasz Figa <tomasz.figa@gmail.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Mark Kettenis <mark.kettenis@xs4all.nl>,
	kettenis@openbsd.org,  Krzysztof Kozlowski <krzk@kernel.org>,
	Marc Zyngier <maz@kernel.org>,
	 "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>, Hector Martin <marcan@marcan.st>,
	 Rob Herring <robh+dt@kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	 "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	 Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	sven@svenpeter.dev
Subject: Re: [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl
Date: Sun, 9 May 2021 18:50:22 +0900	[thread overview]
Message-ID: <CA+Ln22GnbTnxoAy0CWXVxAUUV-LBRHyLqDc2u0fpH5=FdHoWcg@mail.gmail.com> (raw)
In-Reply-To: <CACRpkdb=0EQN=CJqfjKS-iuAiKCvU38fw5krzEY5LvhNpyFd3w@mail.gmail.com>

2021年5月9日(日) 9:27 Linus Walleij <linus.walleij@linaro.org>:
>
> On Sun, May 9, 2021 at 1:02 AM Mark Kettenis <mark.kettenis@xs4all.nl> wrote:
> > [Me]
> > > On Sat, May 8, 2021 at 4:20 PM Mark Kettenis <kettenis@openbsd.org> 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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  reply	other threads:[~2021-05-09  9:52 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-08 14:19 [PATCH 0/2] Apple M1 pinctrl DT bindings Mark Kettenis
2021-05-08 14:19 ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Mark Kettenis
2021-05-08 21:09   ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Linus Walleij
2021-05-08 23:02     ` Mark Kettenis
2021-05-09  0:27       ` Linus Walleij
2021-05-09  9:50         ` Tomasz Figa [this message]
2021-05-10 13:09           ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Krzysztof Kozlowski
2021-05-09  0:18   ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Linus Walleij
2021-05-09  9:46     ` Mark Kettenis
2021-05-09 10:49       ` Linus Walleij
2021-05-10 13:03   ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Krzysztof Kozlowski
2021-05-10 17:09     ` Mark Kettenis
2021-05-10 14:01   ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Rob Herring
2021-05-10 18:18     ` Rob Herring
2021-05-10 14:19   ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Rob Herring
2021-05-10 17:06     ` Mark Kettenis
2021-05-19 23:27       ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Linus Walleij
2021-05-20 11:22         ` Mark Kettenis
2021-05-08 14:19 ` [PATCH 2/2] arm64: apple: Add pinctrl nodes Mark Kettenis

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