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Date:	Tue, 27 Dec 2011 19:38:47 +0800
From:	Shawn Guo <shawn.guo@...escale.com>
To:	"Ying-Chun Liu (PaulLiu)" <paul.liu@...aro.org>
CC:	<linux-kernel@...r.kernel.org>, <linaro-dev@...ts.linaro.org>,
	<patches@...aro.org>, <eric.miao@...aro.org>,
	Nancy Chen <Nancy.Chen@...escale.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>
Subject: Re: [PATCH v3] Regulator: Add Anatop regulator driver

On Tue, Dec 27, 2011 at 06:16:34PM +0800, Ying-Chun Liu (PaulLiu) wrote:
> From: "Ying-Chun Liu (PaulLiu)" <paul.liu@...aro.org>
> 
> Anatop is an integrated regulator inside i.MX6 SoC.
> There are 3 digital regulators which controls PU, CORE (ARM), and SOC.
> And 3 analog regulators which controls 1P1, 2P5, 3P0 (USB).
> This patch adds the Anatop regulator driver.
> 
> Signed-off-by: Nancy Chen <Nancy.Chen@...escale.com>
> Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@...aro.org>
> Cc: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> Cc: Liam Girdwood <lrg@...com>
> ---
>  drivers/regulator/Kconfig                  |    6 +
>  drivers/regulator/Makefile                 |    1 +
>  drivers/regulator/anatop-regulator.c       |  214 ++++++++++++++++++++++++++++
>  include/linux/regulator/anatop-regulator.h |   63 ++++++++
>  4 files changed, 284 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/regulator/anatop-regulator.c
>  create mode 100644 include/linux/regulator/anatop-regulator.h
> 
> diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
> index 9713b1b..fc22b8d 100644
> --- a/drivers/regulator/Kconfig
> +++ b/drivers/regulator/Kconfig
> @@ -327,5 +327,11 @@ config REGULATOR_AAT2870
>  	  If you have a AnalogicTech AAT2870 say Y to enable the
>  	  regulator driver.
>  
> +config REGULATOR_ANATOP
> +	tristate "ANATOP LDO regulators"
> +	depends on SOC_IMX6

There is no symbol 'SOC_IMX6'.  Instead, it's 'SOC_IMX6Q'.

[...]

> +int anatop_regulator_probe(struct platform_device *pdev)
> +{
> +	struct regulator_desc *rdesc;
> +	struct regulator_dev *rdev;
> +	struct anatop_regulator *sreg;
> +	struct regulator_init_data *initdata;
> +
> +	initdata = pdev->dev.platform_data;

It seems that the driver only gets probed in non-dt way.  But imx6q
only supports DT.  How does this driver work on imx6q?

PS. The regulator DT binding has been available on -next, so I do not
understand why you are still getting regulator_init_data from
platform_data rather than device tree.

-- 
Regards,
Shawn

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