1 /* 2 * mc13xxx.h - regulators for the Freescale mc13xxx PMIC 3 * 4 * Copyright (C) 2010 Yong Shen <yong.shen@linaro.org> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 */ 11 12 #ifndef __LINUX_REGULATOR_MC13XXX_H 13 #define __LINUX_REGULATOR_MC13XXX_H 14 15 #include <linux/regulator/driver.h> 16 17 struct mc13xxx_regulator { 18 struct regulator_desc desc; 19 int reg; 20 int enable_bit; 21 int vsel_reg; 22 int vsel_shift; 23 int vsel_mask; 24 int hi_bit; 25 int const *voltages; 26 }; 27 28 struct mc13xxx_regulator_priv { 29 struct mc13xxx *mc13xxx; 30 u32 powermisc_pwgt_state; 31 struct mc13xxx_regulator *mc13xxx_regulators; 32 int num_regulators; 33 struct regulator_dev *regulators[]; 34 }; 35 36 extern int mc13xxx_sw_regulator(struct regulator_dev *rdev); 37 extern int mc13xxx_sw_regulator_is_enabled(struct regulator_dev *rdev); 38 extern int mc13xxx_get_best_voltage_index(struct regulator_dev *rdev, 39 int min_uV, int max_uV); 40 extern int mc13xxx_regulator_list_voltage(struct regulator_dev *rdev, 41 unsigned selector); 42 extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev, 43 int min_uV, int max_uV, unsigned *selector); 44 extern int mc13xxx_fixed_regulator_get_voltage(struct regulator_dev *rdev); 45 46 #ifdef CONFIG_OF 47 extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev); 48 extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( 49 struct platform_device *pdev, struct mc13xxx_regulator *regulators, 50 int num_regulators); 51 #else 52 static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev) 53 { 54 return -ENODEV; 55 } 56 57 static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( 58 struct platform_device *pdev, struct mc13xxx_regulator *regulators, 59 int num_regulators) 60 { 61 return NULL; 62 } 63 #endif 64 65 extern struct regulator_ops mc13xxx_regulator_ops; 66 extern struct regulator_ops mc13xxx_fixed_regulator_ops; 67 68 #define MC13xxx_DEFINE(prefix, _name, _reg, _vsel_reg, _voltages, _ops) \ 69 [prefix ## _name] = { \ 70 .desc = { \ 71 .name = #_name, \ 72 .n_voltages = ARRAY_SIZE(_voltages), \ 73 .ops = &_ops, \ 74 .type = REGULATOR_VOLTAGE, \ 75 .id = prefix ## _name, \ 76 .owner = THIS_MODULE, \ 77 }, \ 78 .reg = prefix ## _reg, \ 79 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ 80 .vsel_reg = prefix ## _vsel_reg, \ 81 .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\ 82 .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\ 83 .voltages = _voltages, \ 84 } 85 86 #define MC13xxx_FIXED_DEFINE(prefix, _name, _reg, _voltages, _ops) \ 87 [prefix ## _name] = { \ 88 .desc = { \ 89 .name = #_name, \ 90 .n_voltages = ARRAY_SIZE(_voltages), \ 91 .ops = &_ops, \ 92 .type = REGULATOR_VOLTAGE, \ 93 .id = prefix ## _name, \ 94 .owner = THIS_MODULE, \ 95 }, \ 96 .reg = prefix ## _reg, \ 97 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ 98 .voltages = _voltages, \ 99 } 100 101 #define MC13xxx_GPO_DEFINE(prefix, _name, _reg, _voltages, _ops) \ 102 [prefix ## _name] = { \ 103 .desc = { \ 104 .name = #_name, \ 105 .n_voltages = ARRAY_SIZE(_voltages), \ 106 .ops = &_ops, \ 107 .type = REGULATOR_VOLTAGE, \ 108 .id = prefix ## _name, \ 109 .owner = THIS_MODULE, \ 110 }, \ 111 .reg = prefix ## _reg, \ 112 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ 113 .voltages = _voltages, \ 114 } 115 116 #define MC13xxx_DEFINE_SW(_name, _reg, _vsel_reg, _voltages, ops) \ 117 MC13xxx_DEFINE(SW, _name, _reg, _vsel_reg, _voltages, ops) 118 #define MC13xxx_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages, ops) \ 119 MC13xxx_DEFINE(REGU, _name, _reg, _vsel_reg, _voltages, ops) 120 121 #endif 122