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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>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
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* National Semiconductors LP3971 PMIC chip client interface
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*
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* Copyright (C) 2009 Samsung Electronics
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* Author: Marek Szyprowski <m.szyprowski@samsung.com>
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*
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* Based on wm8400.h
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __LINUX_REGULATOR_LP3971_H
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#define __LINUX_REGULATOR_LP3971_H
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#include <linux/regulator/machine.h>
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#define LP3971_LDO1 0
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#define LP3971_LDO2 1
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#define LP3971_LDO3 2
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#define LP3971_LDO4 3
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#define LP3971_LDO5 4
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#define LP3971_DCDC1 5
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#define LP3971_DCDC2 6
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#define LP3971_DCDC3 7
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#define LP3971_NUM_REGULATORS 8
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struct lp3971_regulator_subdev {
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int id;
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struct regulator_init_data *initdata;
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};
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struct lp3971_platform_data {
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int num_regulators;
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struct lp3971_regulator_subdev *regulators;
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};
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#endif
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