linux-kernel - Re: [PATCH 3/4] regulator: add voltage selection capability to mc13783 regulators.

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Date:	Sun, 13 Dec 2009 21:01:42 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Alberto Panizzo <maramaopercheseimorto@...il.com>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Sascha linux-arm <s.hauer@...gutronix.de>,
	linux-arm-kernel-infradead <linux-arm-kernel@...ts.infradead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] regulator: add voltage selection capability to
	mc13783 regulators.

On Sat, Dec 12, 2009 at 05:56:16PM +0100, Alberto Panizzo wrote:
> This patch, complete the mc13783 regulator subsystem driver with 
> voltage selecting capability.
> Main Switches (SW1AB, SW2AB) are not supported yet.
> 
> Signed-off-by: Alberto Panizzo <maramaopercheseimorto@...il.com>
> ---
>  drivers/regulator/mc13783-regulator.c |  375 ++++++++++++++++++++++++++++++---
>  1 files changed, 348 insertions(+), 27 deletions(-)
> 
> diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c
> index 9f99862..ed78137 100644
> --- a/drivers/regulator/mc13783-regulator.c
> +++ b/drivers/regulator/mc13783-regulator.c
> @@ -2,6 +2,7 @@
>   * Regulator Driver for Freescale MC13783 PMIC
>   *
>   * Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@...gutronix.de>
> + * Copyright 2009 Alberto Panizzo <maramaopercheseimorto@...il.com>
>   *
>   * This program is free software; you can redistribute it and/or modify
>   * it under the terms of the GNU General Public License version 2 as
> @@ -18,9 +19,47 @@
>  
>  #define MC13783_REG_SWITCHERS4			28
>  #define MC13783_REG_SWITCHERS4_PLLEN			(1 << 18)
> +#define MC13783_REG_SWITCHERS4_PLLVSEL			(1 << 19)
> +#define MC13783_REG_SWITCHERS4_PLLVSEL_M		(7 << 19)
>  
>  #define MC13783_REG_SWITCHERS5			29
>  #define MC13783_REG_SWITCHERS5_SW3EN			(1 << 20)
> +#define MC13783_REG_SWITCHERS5_SW3VSEL			18
This looks inconsitent:
	MC13783_REG_SWITCHERS4_PLLVSEL	(1 << 19)
	MC13783_REG_SWITCHERS5_SW3VSEL	18

I didn't check the rest of the patch though it would be great if you
wouldn't need all those arrays as they occupy much memory.

Best regards
Uwe

-- 
Pengutronix e.K.                              | Uwe Kleine-König            |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |
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