RE: [PATCH v2 1/2] regulator: act8945a: add regulator driver for ACT8945A

From	"Yang, Wenyou" <Wenyou.Yang@atmel.com>
Newsgroups	linux.kernel
Subject	RE: [PATCH v2 1/2] regulator: act8945a: add regulator driver for ACT8945A
Date	2016-01-14 09:10 +0100
Message-ID	<qQL8K-4hn-5@gated-at.bofh.it> (permalink)
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> -----Original Message-----
> From: Peter Korsgaard [mailto:jacmet@gmail.com] On Behalf Of Peter Korsgaard
> Sent: 2016年1月14日 15:28
> To: Yang, Wenyou <Wenyou.Yang@atmel.com>
> Cc: Liam Girdwood <lgirdwood@gmail.com>; Mark Brown <broonie@kernel.org>;
> Rob Herring <robh+dt@kernel.org>; Pawel Moll <pawel.moll@arm.com>; Mark
> Rutland <mark.rutland@arm.com>; Ian Campbell <ijc+devicetree@hellion.org.uk>;
> Kumar Gala <galak@codeaurora.org>; Krzysztof Kozlowski
> <k.kozlowski@samsung.com>; devicetree@vger.kernel.org; Ferre, Nicolas
> <Nicolas.FERRE@atmel.com>; linux-kernel@vger.kernel.org; Javier Martinez
> Canillas <javier@dowhile0.org>; Lee Jones <lee.jones@linaro.org>; linux-arm-
> kernel@lists.infradead.org
> Subject: Re: [PATCH v2 1/2] regulator: act8945a: add regulator driver for
> ACT8945A
> 
> >>>>> "Yang," == Yang, Wenyou <Wenyou.Yang@atmel.com> writes:
> 
>  >> Isn't the regulator part of the act8945a identical to act8865? Can't we just use
> the  >> existing act8865-regulator.c driver? (E.G. support 8865 variant in the mfd
> driver,  >> but only register the regulator sub device?)
> 
>  > Yes, the regulator part of the act8945a is identical to act8865.
> 
>  > But the act8865-regulator driver is a struct i2c_driver, and the mfd  > sub-
> device driver is a platform_driver driver, it is not easy to use  > it.
> 
> But the mfd driver could support the act8865 variant as well (by only registering
> the regulator mfd cell).

I still don't understand.

The MFD sub device is registered as a platform device, the existing act8865 driver is registered as an i2c_driver. How do they match? :)

Could you point out which exiting driver for me to reference.  Thank you!


Best Regards,
Wenyou Yang

Thread

[PATCH v2 0/2] regulator: act8945a: add regulator driver for the sub-device of ACT8945A MFD Wenyou Yang <wenyou.yang@atmel.com> - 2016-01-12 09:20 +0100
  [PATCH v2 1/2] regulator: act8945a: add regulator driver for ACT8945A Wenyou Yang <wenyou.yang@atmel.com> - 2016-01-12 09:20 +0100
    Re: [PATCH v2 1/2] regulator: act8945a: add regulator driver for ACT8945A Peter Korsgaard <peter@korsgaard.com> - 2016-01-13 15:30 +0100
      RE: [PATCH v2 1/2] regulator: act8945a: add regulator driver for  ACT8945A "Yang, Wenyou" <Wenyou.Yang@atmel.com> - 2016-01-14 02:30 +0100
        Re: [PATCH v2 1/2] regulator: act8945a: add regulator driver for  ACT8945A Lee Jones <lee.jones@linaro.org> - 2016-01-14 07:30 +0100
        Re: [PATCH v2 1/2] regulator: act8945a: add regulator driver for ACT8945A Peter Korsgaard <peter@korsgaard.com> - 2016-01-14 08:30 +0100
          RE: [PATCH v2 1/2] regulator: act8945a: add regulator driver for  ACT8945A "Yang, Wenyou" <Wenyou.Yang@atmel.com> - 2016-01-14 09:10 +0100
            Re: [PATCH v2 1/2] regulator: act8945a: add regulator driver for ACT8945A Peter Korsgaard <peter@korsgaard.com> - 2016-01-14 12:50 +0100
              RE: [PATCH v2 1/2] regulator: act8945a: add regulator driver for  ACT8945A "Yang, Wenyou" <Wenyou.Yang@atmel.com> - 2016-01-14 13:50 +0100
  [PATCH v2 2/2] regulator: add documentation for ACT8945A's regulator DT bindings Wenyou Yang <wenyou.yang@atmel.com> - 2016-01-12 09:30 +0100

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