linux-kernel - Re: [PATCH v6] gpio: pca953x: Add Maxim MAX7313 PWM support

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Message-ID: <20200630124500.m765t276atb3wqgy@pengutronix.de>
Date:   Tue, 30 Jun 2020 14:45:00 +0200
From:   Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To:     Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio <linux-gpio@...r.kernel.org>,
        linux-pwm@...r.kernel.org,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6] gpio: pca953x: Add Maxim MAX7313 PWM support

Hallo Bartosz,

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.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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