diff options
Diffstat (limited to 'drivers/regulator/mc13xxx.h')
| -rw-r--r-- | drivers/regulator/mc13xxx.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/regulator/mc13xxx.h b/drivers/regulator/mc13xxx.h new file mode 100644 index 000000000..2ab9bfd93 --- /dev/null +++ b/drivers/regulator/mc13xxx.h @@ -0,0 +1,112 @@ +/* + * 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; +}; + +struct mc13xxx_regulator_priv { + struct mc13xxx *mc13xxx; + u32 powermisc_pwgt_state; + struct mc13xxx_regulator *mc13xxx_regulators; + int num_regulators; + struct regulator_dev *regulators[]; +}; + +extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV, unsigned *selector); + +#ifdef CONFIG_OF +extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev); +extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( + struct platform_device *pdev, struct mc13xxx_regulator *regulators, + int num_regulators); +#else +static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev) +{ + return -ENODEV; +} + +static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( + struct platform_device *pdev, struct mc13xxx_regulator *regulators, + int num_regulators) +{ + return NULL; +} +#endif + +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 = #_name, \ + .n_voltages = ARRAY_SIZE(_voltages), \ + .volt_table = _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,\ + } + +#define MC13xxx_FIXED_DEFINE(prefix, _name, _reg, _voltages, _ops) \ + [prefix ## _name] = { \ + .desc = { \ + .name = #_name, \ + .n_voltages = ARRAY_SIZE(_voltages), \ + .volt_table = _voltages, \ + .ops = &_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = prefix ## _name, \ + .owner = THIS_MODULE, \ + }, \ + .reg = prefix ## _reg, \ + .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ + } + +#define MC13xxx_GPO_DEFINE(prefix, _name, _reg, _voltages, _ops) \ + [prefix ## _name] = { \ + .desc = { \ + .name = #_name, \ + .n_voltages = ARRAY_SIZE(_voltages), \ + .volt_table = _voltages, \ + .ops = &_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = prefix ## _name, \ + .owner = THIS_MODULE, \ + }, \ + .reg = prefix ## _reg, \ + .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ + } + +#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 |