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Date:   Fri, 1 Feb 2019 13:05:19 +0000
From:   Mark Brown <broonie@kernel.org>
To:     Baolin Wang <baolin.wang@linaro.org>
Cc:     Arnd Bergmann <arnd@arndb.de>, Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Olof Johansson <olof@lixom.net>,
        Orson Zhai <orsonzhai@gmail.com>,
        Lyra Zhang <zhang.lyra@gmail.com>,
        DTML <devicetree@vger.kernel.org>, arm-soc <arm@kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/4] Add new device nodes for Spreadtrum SC9860 platform
Message-ID: <20190201130519.GH20797@sirena.org.uk>
References: <cover.1548052878.git.baolin.wang@linaro.org>
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On Fri, Feb 01, 2019 at 08:05:30PM +0800, Baolin Wang wrote:

> On Spreadtrum platform, we use one mfd driver [1] to populate the
> SC27XX series PMICs including SC2731, SC2721, SC2720 and SC2730. So we
> use sc27xx to be compatible with different PMICs' devices, otherwise
> it will be difficult to define the mfd cell arrays in mfd driver. Do
> you have any good suggestion? Thanks.

You can just list all the individual device names in the of_match_table
for the MFD and then it can bind to any of them.  You can always map
them onto the same behaviour in the MFD driver if they are identical
=66rom a software point of view.

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