linux-kernel - Re: [PATCHv2] regulator: cpcap: Add basic regulator support

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Message-ID: <CAL_JsqKg8LfGpMFuM2vwT35ODFrHf2TYDbw3CQm-U9s7eFUWPw@mail.gmail.com>
Date:   Mon, 6 Feb 2017 15:26:40 -0600
From:   Rob Herring <robh@...nel.org>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-omap <linux-omap@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Marcel Partap <mpartap@....net>,
        Michael Scott <michael.scott@...aro.org>
Subject: Re: [PATCHv2] regulator: cpcap: Add basic regulator support

On Thu, Feb 2, 2017 at 5:43 PM, Tony Lindgren <tony@...mide.com> wrote:
> Many Motorola phones like droid 4 are using a custom PMIC called CPCAP
> or 6556002. This PMIC is used with several SoCs, I've noticed at least
> omap3, omap4 and Tegra2 based Motorola phones and tablets using it.
>
> Cc: devicetree@...r.kernel.org
> Cc: Marcel Partap <mpartap@....net>
> Cc: Michael Scott <michael.scott@...aro.org>
> Cc: Rob Herring <robh@...nel.org>
> Signed-off-by: Tony Lindgren <tony@...mide.com>
> ---
>
> With the cpcap core MFD driver now in Linux next as commit
> 3d66c8abc13e ("mfd: cpcap: Add minimal support"), here's a related
> regulator driver. This is needed to support more devices on droid 4,
> such as the LCD and touchscreen.
>
> Changes since v1:
>
> - Use standard regulator sel_regmap functions and drop the pointless
>   custom implementations as commented by Mark Brown
>
> - Fix unit-address with no reg property as commented by Rob Herring
>
> ---
>  .../bindings/regulator/cpcap-regulator.txt         |  34 ++

Acked-by: Rob Herring <robh@...nel.org>

>  drivers/regulator/Kconfig                          |   7 +
>  drivers/regulator/Makefile                         |   1 +
>  drivers/regulator/cpcap-regulator.c                | 464 +++++++++++++++++++++
>  4 files changed, 506 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/cpcap-regulator.txt
>  create mode 100644 drivers/regulator/cpcap-regulator.c