/* * 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; }; 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