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LP3971 PMIC regulator driver (updated and combined version)

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This patch adds regulator drivers for National Semiconductors LP3971 PMIC.
This LP3971 PMIC controller has 3 DC/DC voltage converters and 5 low
drop-out (LDO) regulators. LP3971 PMIC controller uses I2C interface.

Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Marek Szyprowski
2009-05-19 07:33:55 +02:00
committed by Liam Girdwood
parent 1909e2f658
commit 0cbdf7bce5
4 changed files with 621 additions and 0 deletions
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51
include/linux/regulator/lp3971.h Normal file
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/*
* National Semiconductors LP3971 PMIC chip client interface
*
* Copyright (C) 2009 Samsung Electronics
* Author: Marek Szyprowski <m.szyprowski@samsung.com>
*
* Based on wm8400.h
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __LINUX_REGULATOR_LP3971_H
#define __LINUX_REGULATOR_LP3971_H
#include <linux/regulator/machine.h>
#define LP3971_LDO1 0
#define LP3971_LDO2 1
#define LP3971_LDO3 2
#define LP3971_LDO4 3
#define LP3971_LDO5 4
#define LP3971_DCDC1 5
#define LP3971_DCDC2 6
#define LP3971_DCDC3 7
#define LP3971_NUM_REGULATORS 8
struct lp3971_regulator_subdev {
int id;
struct regulator_init_data *initdata;
};
struct lp3971_platform_data {
int num_regulators;
struct lp3971_regulator_subdev *regulators;
};
#endif