diff options
| author | Yong Shen <yong.shen@linaro.org> | 2010-12-14 14:00:54 +0800 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2011-01-12 14:33:03 +0000 |
| commit | 167e3d8af98a111994c4d6b3c5cbc589aedbbc2a (patch) | |
| tree | 16b54e06e33b949a0ca98542131610926d483bae /drivers/regulator/mc13xxx.h | |
| parent | 57c78e359a35c69eca4c88f107500f74ef7f0acf (diff) | |
make mc13783 regulator code generic
move some common functions and micros of mc13783 regulaor driver to
a seperate file, which makes it possible for mc13892 to share code.
Signed-off-by: Yong Shen <yong.shen@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'drivers/regulator/mc13xxx.h')
| -rw-r--r-- | drivers/regulator/mc13xxx.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/regulator/mc13xxx.h b/drivers/regulator/mc13xxx.h new file mode 100644 index 000000000000..27758267e122 --- /dev/null +++ b/drivers/regulator/mc13xxx.h @@ -0,0 +1,101 @@ +/* + * mc13xxx.h - regulators for the Freescale mc13xxx PMIC + * + * Copyright (C) 2010 Yong Shen <yong.shen@linaro.org> + * + * 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. + */ + +#ifndef __LINUX_REGULATOR_MC13XXX_H +#define __LINUX_REGULATOR_MC13XXX_H + +#include <linux/regulator/driver.h> + +struct mc13xxx_regulator { + struct regulator_desc desc; + int reg; + int enable_bit; + int vsel_reg; + int vsel_shift; + int vsel_mask; + int hi_bit; + int const *voltages; +}; + +struct mc13xxx_regulator_priv { + struct mc13xxx *mc13xxx; + u32 powermisc_pwgt_state; + struct mc13xxx_regulator *mc13xxx_regulators; + struct regulator_dev *regulators[]; +}; + +extern int mc13xxx_sw_regulator(struct regulator_dev *rdev); +extern int mc13xxx_sw_regulator_is_enabled(struct regulator_dev *rdev); +extern int mc13xxx_get_best_voltage_index(struct regulator_dev *rdev, + int min_uV, int max_uV); +extern int mc13xxx_regulator_list_voltage(struct regulator_dev *rdev, + unsigned selector); +extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV, unsigned *selector); +extern int mc13xxx_fixed_regulator_get_voltage(struct regulator_dev *rdev); + +extern struct regulator_ops mc13xxx_regulator_ops; +extern struct regulator_ops mc13xxx_fixed_regulator_ops; + +#define MC13xxx_DEFINE(prefix, _name, _reg, _vsel_reg, _voltages, _ops) \ + [prefix ## _name] = { \ + .desc = { \ + .name = #prefix "_" #_name, \ + .n_voltages = ARRAY_SIZE(_voltages), \ + .ops = &_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = prefix ## _name, \ + .owner = THIS_MODULE, \ + }, \ + .reg = prefix ## _reg, \ + .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ + .vsel_reg = prefix ## _vsel_reg, \ + .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\ + .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\ + .voltages = _voltages, \ + } + +#define MC13xxx_FIXED_DEFINE(prefix, _name, _reg, _voltages, _ops) \ + [prefix ## _name] = { \ + .desc = { \ + .name = #prefix "_" #_name, \ + .n_voltages = ARRAY_SIZE(_voltages), \ + .ops = &_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = prefix ## _name, \ + .owner = THIS_MODULE, \ + }, \ + .reg = prefix ## _reg, \ + .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ + .voltages = _voltages, \ + } + +#define MC13xxx_GPO_DEFINE(prefix, _name, _reg, _voltages, _ops) \ + [prefix ## _name] = { \ + .desc = { \ + .name = #prefix "_" #_name, \ + .n_voltages = ARRAY_SIZE(_voltages), \ + .ops = &_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = prefix ## _name, \ + .owner = THIS_MODULE, \ + }, \ + .reg = prefix ## _reg, \ + .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ + .voltages = _voltages, \ + } + +#define MC13xxx_DEFINE_SW(_name, _reg, _vsel_reg, _voltages, ops) \ + MC13xxx_DEFINE(SW, _name, _reg, _vsel_reg, _voltages, ops) +#define MC13xxx_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages, ops) \ + MC13xxx_DEFINE(REGU, _name, _reg, _vsel_reg, _voltages, ops) + +#endif |