All of lore.kernel.org
 help / color / mirror / Atom feed
From: Robert Marko <robert.marko@sartura.hr>
To: Michael Walle <michael@walle.cc>
Cc: Lee Jones <lee.jones@linaro.org>,
	robh+dt@kernel.org, Linus Walleij <linus.walleij@linaro.org>,
	bgolaszewski@baylibre.com, jdelvare@suse.com,
	Guenter Roeck <linux@roeck-us.net>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-gpio@vger.kernel.org, linux-hwmon@vger.kernel.org,
	Luka Perkov <luka.perkov@sartura.hr>,
	jmp@epiphyte.org, Paul Menzel <pmenzel@molgen.mpg.de>,
	Donald Buczek <buczek@molgen.mpg.de>
Subject: Re: [PATCH 3/6] gpio: Add Delta TN48M CPLD GPIO driver
Date: Fri, 21 May 2021 15:21:06 +0200	[thread overview]
Message-ID: <CA+HBbNHikM_8sCrc9FM-z7nUXVLwjpZ=Lg7fKWGbgWGBrfciOg@mail.gmail.com> (raw)
In-Reply-To: <10b67a4dce693f013eccfd6f46ecb4c4@walle.cc>

On Thu, May 6, 2021 at 6:38 PM Michael Walle <michael@walle.cc> wrote:
>
> Am 2021-04-30 14:35, schrieb Robert Marko:
> > Delta TN48M CPLD is used as a GPIO expander for the SFP GPIOs.
> >
> > It is a mix of input only and output only pins.
> >
> > Since there is no logical GPIO numbering arbitrary one is used
> > along dt-bindings to make it humanly readable.
>
> Can gpio/gpio-regmap.c be used here? See gpio/gpio-sl28cpld.c
> for an example.

I suppose it can be used, I need to look into it more to see how could
translation to register and mask be done with it.

I have adapted the driver to work with simple I2C MFD so far.

It still leaves me with a finding the logical way to number the GPIO-s.

Robert
>
> -michael



--
Robert Marko
Staff Embedded Linux Engineer
Sartura Ltd.
Lendavska ulica 16a
10000 Zagreb, Croatia
Email: robert.marko@sartura.hr
Web: www.sartura.hr

  reply	other threads:[~2021-05-21 13:21 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-30 12:35 [PATCH 1/6] mfd: Add Delta TN48M CPLD driver Robert Marko
2021-04-30 12:35 ` [PATCH 2/6] dt-bindings: gpio: Add Delta TN48M CPLD GPIO bindings Robert Marko
2021-05-06 13:57   ` Rob Herring
2021-04-30 12:35 ` [PATCH 3/6] gpio: Add Delta TN48M CPLD GPIO driver Robert Marko
2021-05-06 14:00   ` Rob Herring
2021-05-06 16:40     ` Michael Walle
2021-05-06 17:21       ` Luka Perkov
2021-05-21 13:22       ` Robert Marko
2021-05-06 16:38   ` Michael Walle
2021-05-21 13:21     ` Robert Marko [this message]
2021-04-30 12:35 ` [PATCH 4/6] hwmon: Add Delta TN48M CPLD HWMON driver Robert Marko
2021-04-30 13:12   ` Guenter Roeck
2021-05-19 12:01     ` Robert Marko
2021-05-19 13:40       ` Guenter Roeck
2021-04-30 12:35 ` [PATCH 5/6] dt-bindings: mfd: Add Delta TN48M CPLD drivers bindings Robert Marko
2021-05-06 14:01   ` Rob Herring
2021-04-30 12:35 ` [PATCH 6/6] MAINTAINERS: Add Delta Networks TN48M CPLD drivers Robert Marko
2021-05-06 16:34 ` [PATCH 1/6] mfd: Add Delta TN48M CPLD driver Michael Walle
2021-05-19 11:53   ` Robert Marko
2021-05-19 19:42     ` Michael Walle
2021-05-20  6:49       ` Lee Jones
2021-05-21  8:19         ` Robert Marko
2021-05-21  9:03           ` Lee Jones
2021-05-21  9:06             ` Robert Marko
2021-05-06 16:50 ` kernel test robot
2021-05-06 16:50   ` kernel test robot
2021-05-19 11:11 ` Lee Jones

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CA+HBbNHikM_8sCrc9FM-z7nUXVLwjpZ=Lg7fKWGbgWGBrfciOg@mail.gmail.com' \
    --to=robert.marko@sartura.hr \
    --cc=bgolaszewski@baylibre.com \
    --cc=buczek@molgen.mpg.de \
    --cc=devicetree@vger.kernel.org \
    --cc=jdelvare@suse.com \
    --cc=jmp@epiphyte.org \
    --cc=lee.jones@linaro.org \
    --cc=linus.walleij@linaro.org \
    --cc=linux-gpio@vger.kernel.org \
    --cc=linux-hwmon@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@roeck-us.net \
    --cc=luka.perkov@sartura.hr \
    --cc=michael@walle.cc \
    --cc=pmenzel@molgen.mpg.de \
    --cc=robh+dt@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.