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From: Andrew Lunn <andrew@lunn.ch>
To: Robert Marko <robert.marko@sartura.hr>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	Rob Herring <robh@kernel.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Lee Jones <lee.jones@linaro.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	devicetree <devicetree@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Luka Perkov <luka.perkov@sartura.hr>,
	"Jonathan M. Polom" <jmp@epiphyte.org>,
	Paul Menzel <pmenzel@molgen.mpg.de>,
	Donald Buczek <buczek@molgen.mpg.de>
Subject: Re: [PATCH v6 5/6] dt-bindings: mfd: Add Delta TN48M CPLD drivers bindings
Date: Tue, 19 Oct 2021 03:40:48 +0200	[thread overview]
Message-ID: <YW4iIP7jpRj4qcNN@lunn.ch> (raw)
In-Reply-To: <CA+HBbNFeTN45cz8G75V94tF9cBcOGNzeenTMjdJ-4oKFCvHYLA@mail.gmail.com>

> The SFP driver requires GPIO-s, it only knows how to use GPIO-s, and
> its a generic driver,
> it covers any device that has an SFP port that is implemented per spec.
> So, I cannot just extend it to suit my devices needs and I don't see
> how can I extend it in
> a generic manner so that it controls the pins directly via a regmap
> for example, especially since
> each switch has a different number of SFP ports and thus pins and a
> different register layout.
> 
> I have added Andrew Lunn as he is one of the maintainers of PHYLIB
> under which the SFP driver
> is, he may have some input on how to proceed with this.
> 
> I honestly think that we have some kind of misunderstanding here and
> look forward to resolving it.

Hi Robert

Can you describe your hardware and regmap in a bit more detail. What
do these registers look like? How do they map to the SFP cage pins?

	  Andrew

  reply	other threads:[~2021-10-19  1:40 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-07 12:33 [PATCH v6 1/6] mfd: simple-mfd-i2c: Add Delta TN48M CPLD support Robert Marko
2021-06-07 12:33 ` [PATCH v6 2/6] gpio: Add Delta TN48M CPLD GPIO driver Robert Marko
2021-06-07 12:33 ` [PATCH v6 3/6] dt-bindings: reset: Add Delta TN48M Robert Marko
2021-06-07 12:33 ` [PATCH v6 4/6] reset: Add Delta TN48M CPLD reset controller Robert Marko
2021-06-07 12:33 ` [PATCH v6 5/6] dt-bindings: mfd: Add Delta TN48M CPLD drivers bindings Robert Marko
2021-06-25 11:46   ` Robert Marko
2021-07-13 22:25     ` Rob Herring
2021-07-18  9:15       ` Robert Marko
2021-07-19 10:46         ` Lee Jones
2021-07-19 22:59         ` Rob Herring
2021-07-21 14:16           ` Linus Walleij
2021-08-03 19:22             ` Robert Marko
2021-08-11 12:17               ` Linus Walleij
2021-08-24  8:03                 ` Robert Marko
2021-09-07 21:02                   ` Robert Marko
2021-09-25 14:47                     ` Robert Marko
2021-10-03 22:48                   ` Linus Walleij
2021-10-12 16:31                     ` Robert Marko
2021-10-19  1:40                       ` Andrew Lunn [this message]
2021-10-19 10:49                         ` Robert Marko
2021-10-19  2:05         ` Andrew Lunn
2021-10-19 10:54           ` Robert Marko
2021-06-07 12:33 ` [PATCH v6 6/6] MAINTAINERS: Add Delta Networks TN48M CPLD drivers Robert Marko

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