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_regulator_list_voltage(struct regulator_dev *rdev, 39 unsigned selector); 40 extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev, 41 int min_uV, int max_uV, unsigned *selector); 42 extern int mc13xxx_fixed_regulator_get_voltage(struct regulator_dev *rdev); 43 44 #ifdef CONFIG_OF 45 extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev); 46 extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( 47 struct platform_device *pdev, struct mc13xxx_regulator *regulators, 48 int num_regulators); 49 #else 50 static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev) 51 { 52 return -ENODEV; 53 } 54 55 static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( 56 struct platform_device *pdev, struct mc13xxx_regulator *regulators, 57 int num_regulators) 58 { 59 return NULL; 60 } 61 #endif 62 63 extern struct regulator_ops mc13xxx_regulator_ops; 64 extern struct regulator_ops mc13xxx_fixed_regulator_ops; 65 66 #define MC13xxx_DEFINE(prefix, _name, _reg, _vsel_reg, _voltages, _ops) \ 67 [prefix ## _name] = { \ 68 .desc = { \ 69 .name = #_name, \ 70 .n_voltages = ARRAY_SIZE(_voltages), \ 71 .ops = &_ops, \ 72 .type = REGULATOR_VOLTAGE, \ 73 .id = prefix ## _name, \ 74 .owner = THIS_MODULE, \ 75 }, \ 76 .reg = prefix ## _reg, \ 77 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ 78 .vsel_reg = prefix ## _vsel_reg, \ 79 .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\ 80 .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\ 81 .voltages = _voltages, \ 82 } 83 84 #define MC13xxx_FIXED_DEFINE(prefix, _name, _reg, _voltages, _ops) \ 85 [prefix ## _name] = { \ 86 .desc = { \ 87 .name = #_name, \ 88 .n_voltages = ARRAY_SIZE(_voltages), \ 89 .ops = &_ops, \ 90 .type = REGULATOR_VOLTAGE, \ 91 .id = prefix ## _name, \ 92 .owner = THIS_MODULE, \ 93 }, \ 94 .reg = prefix ## _reg, \ 95 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ 96 .voltages = _voltages, \ 97 } 98 99 #define MC13xxx_GPO_DEFINE(prefix, _name, _reg, _voltages, _ops) \ 100 [prefix ## _name] = { \ 101 .desc = { \ 102 .name = #_name, \ 103 .n_voltages = ARRAY_SIZE(_voltages), \ 104 .ops = &_ops, \ 105 .type = REGULATOR_VOLTAGE, \ 106 .id = prefix ## _name, \ 107 .owner = THIS_MODULE, \ 108 }, \ 109 .reg = prefix ## _reg, \ 110 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ 111 .voltages = _voltages, \ 112 } 113 114 #define MC13xxx_DEFINE_SW(_name, _reg, _vsel_reg, _voltages, ops) \ 115 MC13xxx_DEFINE(SW, _name, _reg, _vsel_reg, _voltages, ops) 116 #define MC13xxx_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages, ops) \ 117 MC13xxx_DEFINE(REGU, _name, _reg, _vsel_reg, _voltages, ops) 118 119 #endif 120