From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Thierry Reding <thierry.reding@gmail.com>,
Linus Walleij <linus.walleij@linaro.org>,
linux-gpio <linux-gpio@vger.kernel.org>,
linux-pwm@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v6] gpio: pca953x: Add Maxim MAX7313 PWM support
Date: Wed, 1 Jul 2020 00:27:31 +0300 [thread overview]
Message-ID: <CAHp75VcxQ-qK+RYmfULDx3cHQW9W8__-Gf8EFw7Hgqsz0oPkjA@mail.gmail.com> (raw)
In-Reply-To: <20200630124500.m765t276atb3wqgy@pengutronix.de>
On Tue, Jun 30, 2020 at 3:45 PM Uwe Kleine-König
<u.kleine-koenig@pengutronix.de> wrote:
> On Tue, Jun 30, 2020 at 11:13:31AM +0200, Bartosz Golaszewski wrote:
> > I can't find anything in any of the previous threads. What was the
> > reason to not go the MFD way here?
>
> MFD doesn't work because the different "modes" are not orthogonal. So
> this is not a single device that provides several functions at the same
> time that can be used in parallel.
Did I get this correctly that it's either *all* pins are GPIO or *all* are PWM?
Otherwise, it fits from my point of view.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2020-06-30 21:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-03 10:54 [PATCH v6] gpio: pca953x: Add Maxim MAX7313 PWM support Miquel Raynal
2020-05-03 19:20 ` Andy Shevchenko
2020-05-03 19:41 ` Uwe Kleine-König
2020-06-29 14:08 ` Miquel Raynal
2020-06-29 16:50 ` Andy Shevchenko
2020-06-29 19:50 ` Uwe Kleine-König
2020-06-30 6:58 ` Miquel Raynal
2020-06-30 9:08 ` Uwe Kleine-König
2020-06-30 9:13 ` Bartosz Golaszewski
2020-06-30 12:45 ` Uwe Kleine-König
2020-06-30 21:27 ` Andy Shevchenko [this message]
2020-06-30 21:56 ` Miquel Raynal
2020-07-03 14:53 ` Uwe Kleine-König
2020-07-04 11:23 ` Andy Shevchenko
2020-07-04 15:43 ` Uwe Kleine-König
2020-08-12 17:36 ` Miquel Raynal
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