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From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
To: Tomasz Figa <tomasz.figa@gmail.com>,
	Linus Walleij <linus.walleij@linaro.org>
Cc: Mark Kettenis <mark.kettenis@xs4all.nl>,
	kettenis@openbsd.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: Mon, 10 May 2021 09:09:00 -0400	[thread overview]
Message-ID: <d332f69c-33a1-b1c9-e1c9-3c8d756594ef@canonical.com> (raw)
In-Reply-To: <CA+Ln22GnbTnxoAy0CWXVxAUUV-LBRHyLqDc2u0fpH5=FdHoWcg@mail.gmail.com>

On 09/05/2021 05:50, Tomasz Figa wrote:
>>>> 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. :)

I can confirm that it looks different than Samsung designs.


Best regards,
Krzysztof

WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
To: Tomasz Figa <tomasz.figa@gmail.com>,
	Linus Walleij <linus.walleij@linaro.org>
Cc: Mark Kettenis <mark.kettenis@xs4all.nl>,
	kettenis@openbsd.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: Mon, 10 May 2021 09:09:00 -0400	[thread overview]
Message-ID: <d332f69c-33a1-b1c9-e1c9-3c8d756594ef@canonical.com> (raw)
In-Reply-To: <CA+Ln22GnbTnxoAy0CWXVxAUUV-LBRHyLqDc2u0fpH5=FdHoWcg@mail.gmail.com>

On 09/05/2021 05:50, Tomasz Figa wrote:
>>>> 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. :)

I can confirm that it looks different than Samsung designs.


Best regards,
Krzysztof

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2021-05-10 13:40 UTC|newest]

Thread overview: 38+ 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 ` Mark Kettenis
2021-05-08 14:19 ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Mark Kettenis
2021-05-08 14:19   ` Mark Kettenis
2021-05-08 21:09   ` Linus Walleij
2021-05-08 21:09     ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Linus Walleij
2021-05-08 23:02     ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Mark Kettenis
2021-05-08 23:02       ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Mark Kettenis
2021-05-09  0:27       ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Linus Walleij
2021-05-09  0:27         ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Linus Walleij
2021-05-09  9:50         ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Tomasz Figa
2021-05-09  9:50           ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Tomasz Figa
2021-05-10 13:09           ` Krzysztof Kozlowski [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   ` Linus Walleij
2021-05-09  0:18     ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Linus Walleij
2021-05-09  9:46     ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Mark Kettenis
2021-05-09  9:46       ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Mark Kettenis
2021-05-09 10:49       ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Linus Walleij
2021-05-09 10:49         ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Linus Walleij
2021-05-10 13:03   ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Krzysztof Kozlowski
2021-05-10 13:03     ` Krzysztof Kozlowski
2021-05-10 17:09     ` Mark Kettenis
2021-05-10 17:09       ` Mark Kettenis
2021-05-10 14:01   ` Rob Herring
2021-05-10 14:01     ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Rob Herring
2021-05-10 18:18     ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Rob Herring
2021-05-10 18:18       ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Rob Herring
2021-05-10 14:19   ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Rob Herring
2021-05-10 14:19     ` Rob Herring
2021-05-10 17:06     ` Mark Kettenis
2021-05-10 17:06       ` Mark Kettenis
2021-05-19 23:27       ` Linus Walleij
2021-05-19 23:27         ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Linus Walleij
2021-05-20 11:22         ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple,pinctrl Mark Kettenis
2021-05-20 11:22           ` [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Mark Kettenis
2021-05-08 14:19 ` [PATCH 2/2] arm64: apple: Add pinctrl nodes Mark Kettenis
2021-05-08 14:19   ` Mark Kettenis

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