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Date:   Tue, 01 Jun 2021 15:54:34 +0200
From:   Michael Walle <michael@walle.cc>
To:     Lee Jones <lee.jones@linaro.org>
Cc:     Robert Marko <robert.marko@sartura.hr>,
        Rob Herring <robh@kernel.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        bgolaszewski@baylibre.com, linux-gpio@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@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 v2 3/4] dt-bindings: mfd: Add Delta TN48M CPLD drivers
 bindings
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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