linux-kernel - Re: [PATCH v4 0/8] MFD: add driver for HiSilicon Hi6421v530 PMIC

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Date:   Tue, 6 Jun 2017 14:54:19 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Guodong Xu <guodong.xu@...aro.org>
Cc:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Wei Xu <xuwei5@...ilicon.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Gregory CLEMENT <gregory.clement@...e-electrons.com>,
        Simon Horman <horms+renesas@...ge.net.au>,
        Olof Johansson <olof@...om.net>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Riku Voipio <riku.voipio@...aro.org>, treding@...dia.com,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Eric Anholt <eric@...olt.net>, damm+renesas@...nsource.se,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        hw.wangxiaoyin@...ilicon.com
Subject: Re: [PATCH v4 0/8] MFD: add driver for HiSilicon Hi6421v530 PMIC

On Tue, Jun 6, 2017 at 10:51 AM, Guodong Xu <guodong.xu@...aro.org> wrote:
> This patchset adds driver for HiSilicon Hi6421v530 PMIC.
>
> Mainline kernel already has driver support to a similar chip, Hi6421.
> Hi6421 and Hi6421v530 are both from the same vendor, HiSilicon, but
> they are at different revisions. They both use the same Memory-mapped
> I/O method to communicate with Main SoC. However, they differ quite a
> lot in their regulator designs. Eg. they have completely different LDO
> voltage points.
>
> Patch 1 and 2 are hi6421-pmic cleaning up.
> Patch 3 and 4 extends hi6421-pmic-core.c to support Hi6421v530 revision.
> Patch 5 add hi6421v530-regulator.c driver for LDO regulators.
> Patch 6 fixes an issue for hi6421 regulator, which is not related to v530
>          but it's found in this review.
> Patch 7 is dts change, it depends on and can be applied to hi3660/hikey960
>         patchset [1].
> Patch 8 enables the relevant config items.

Looks good to me,

    Arnd