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Regulator: LP3972 PMIC regulator driver

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This patch adds regulator drivers for National Semiconductors LP3972 PMIC.
This LP3972 PMIC controller has 3 DC/DC voltage converters and 5 low drop-out
(LDO) regulators. LP3972 PMIC controller uses I2C interface.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Axel Lin
2010-09-16 16:48:49 +08:00
committed by Liam Girdwood
parent 202f4f53e5
commit 5976f0959d
4 changed files with 705 additions and 0 deletions
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drivers/regulator/Kconfig
+7
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@@ -172,6 +172,13 @@ config REGULATOR_LP3971
Say Y here to support the voltage regulators and convertors
on National Semiconductors LP3971 PMIC
config REGULATOR_LP3972
tristate "National Semiconductors LP3972 PMIC regulator driver"
depends on I2C
help
Say Y here to support the voltage regulators and convertors
on National Semiconductors LP3972 PMIC
config REGULATOR_PCAP
tristate "PCAP2 regulator driver"
depends on EZX_PCAP
drivers/regulator/Makefile
+1
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@@ -12,6 +12,7 @@ obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o
obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o
obj-$(CONFIG_REGULATOR_DUMMY) += dummy.o
obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
obj-$(CONFIG_REGULATOR_LP3972) += lp3972.o
obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o
obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o
obj-$(CONFIG_REGULATOR_MAX8649) += max8649.o
drivers/regulator/lp3972.c
+649
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File diff suppressed because it is too large Load Diff
include/linux/regulator/lp3972.h
+48
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@@ -0,0 +1,48 @@
/*
* National Semiconductors LP3972 PMIC chip client interface
*
* Based on lp3971.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_LP3972_H
#define __LINUX_REGULATOR_LP3972_H
#include <linux/regulator/machine.h>
#define LP3972_LDO1 0
#define LP3972_LDO2 1
#define LP3972_LDO3 2
#define LP3972_LDO4 3
#define LP3972_LDO5 4
#define LP3972_DCDC1 5
#define LP3972_DCDC2 6
#define LP3972_DCDC3 7
#define LP3972_NUM_REGULATORS 8
struct lp3972_regulator_subdev {
int id;
struct regulator_init_data *initdata;
};
struct lp3972_platform_data {
int num_regulators;
struct lp3972_regulator_subdev *regulators;
};
#endif