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Maxim 1586 regulator driver

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The Maxim 1586 regulator is a voltage regulator with 2
voltage outputs, specially suitable for Marvell PXA
chips. One output is in the range of required VCC_CORE by
the PXA27x chips, the other in the VCC_USIM required as well
by PXA27x chips.

The chip is controlled through the I2C bus.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Robert Jarzmik 2009-04-23 20:10:43 +02:00 • committed by Liam Girdwood
parent 45e3e1935e
commit 55f4fa4e33
4 changed files with 311 additions and 0 deletions
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52
include/linux/regulator/max1586.h Normal file
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/*
* max1586.h -- Voltage regulation for the Maxim 1586
*
* Copyright (C) 2008 Robert Jarzmik
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef REGULATOR_MAX1586
#define REGULATOR_MAX1586
#include <linux/regulator/machine.h>
#define MAX1586_V3 0
#define MAX1586_V6 1
/**
* max1586_subdev_data - regulator data
* @id: regulator Id (either MAX1586_V3 or MAX1586_V6)
* @name: regulator cute name (example for V3: "vcc_core")
* @platform_data: regulator init data (contraints, supplies, ...)
*/
struct max1586_subdev_data {
int id;
char *name;
struct regulator_init_data *platform_data;
};
/**
* max1586_platform_data - platform data for max1586
* @num_subdevs: number of regultors used (may be 1 or 2)
* @subdevs: regulator used
* At most, there will be a regulator for V3 and one for V6 voltages.
*/
struct max1586_platform_data {
int num_subdevs;
struct max1586_subdev_data *subdevs;
};
#endif