linux-kernel - Re: [PATCH v2 3/4] dt-bindings: mfd: Add Delta TN48M CPLD drivers bindings

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Message-ID: <CA+HBbNHnBsbfTiR6qj17HJ97NLi74_M5BWDEtmw1F+Bj8cfytQ@mail.gmail.com>
Date:   Tue, 1 Jun 2021 15:57:32 +0200
From:   Robert Marko <robert.marko@...tura.hr>
To:     Michael Walle <michael@...le.cc>
Cc:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luka Perkov <luka.perkov@...tura.hr>, jmp@...phyte.org,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Donald Buczek <buczek@...gen.mpg.de>
Subject: Re: [PATCH v2 3/4] dt-bindings: mfd: Add Delta TN48M CPLD drivers bindings

On Tue, Jun 1, 2021 at 3:54 PM Michael Walle <michael@...le.cc> wrote:
>
> Am 2021-06-01 10:19, schrieb Lee Jones:
> > Why do you require one single Regmap anyway?  Are they register banks
> > not neatly separated on a per-function basis?
>
> AFAIK you can only have one I2C device driver per device, hence the
> simple-mfd-i2c.
>
> -michael

That is my understanding as well.

Regards,
Robert


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