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 }; 25 26 struct mc13xxx_regulator_priv { 27 struct mc13xxx *mc13xxx; 28 u32 powermisc_pwgt_state; 29 struct mc13xxx_regulator *mc13xxx_regulators; 30 int num_regulators; 31 struct regulator_dev *regulators[]; 32 }; 33 34 extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev, 35 int min_uV, int max_uV, unsigned *selector); 36 37 #ifdef CONFIG_OF 38 extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev); 39 extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( 40 struct platform_device *pdev, struct mc13xxx_regulator *regulators, 41 int num_regulators); 42 #else 43 static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev) 44 { 45 return -ENODEV; 46 } 47 48 static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( 49 struct platform_device *pdev, struct mc13xxx_regulator *regulators, 50 int num_regulators) 51 { 52 return NULL; 53 } 54 #endif 55 56 extern struct regulator_ops mc13xxx_regulator_ops; 57 extern struct regulator_ops mc13xxx_fixed_regulator_ops; 58 59 #define MC13xxx_DEFINE(prefix, _name, _reg, _vsel_reg, _voltages, _ops) \ 60 [prefix ## _name] = { \ 61 .desc = { \ 62 .name = #_name, \ 63 .n_voltages = ARRAY_SIZE(_voltages), \ 64 .volt_table = _voltages, \ 65 .ops = &_ops, \ 66 .type = REGULATOR_VOLTAGE, \ 67 .id = prefix ## _name, \ 68 .owner = THIS_MODULE, \ 69 }, \ 70 .reg = prefix ## _reg, \ 71 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ 72 .vsel_reg = prefix ## _vsel_reg, \ 73 .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\ 74 .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\ 75 } 76 77 #define MC13xxx_FIXED_DEFINE(prefix, _name, _reg, _voltages, _ops) \ 78 [prefix ## _name] = { \ 79 .desc = { \ 80 .name = #_name, \ 81 .n_voltages = ARRAY_SIZE(_voltages), \ 82 .volt_table = _voltages, \ 83 .ops = &_ops, \ 84 .type = REGULATOR_VOLTAGE, \ 85 .id = prefix ## _name, \ 86 .owner = THIS_MODULE, \ 87 }, \ 88 .reg = prefix ## _reg, \ 89 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ 90 } 91 92 #define MC13xxx_GPO_DEFINE(prefix, _name, _reg, _voltages, _ops) \ 93 [prefix ## _name] = { \ 94 .desc = { \ 95 .name = #_name, \ 96 .n_voltages = ARRAY_SIZE(_voltages), \ 97 .volt_table = _voltages, \ 98 .ops = &_ops, \ 99 .type = REGULATOR_VOLTAGE, \ 100 .id = prefix ## _name, \ 101 .owner = THIS_MODULE, \ 102 }, \ 103 .reg = prefix ## _reg, \ 104 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \ 105 } 106 107 #define MC13xxx_DEFINE_SW(_name, _reg, _vsel_reg, _voltages, ops) \ 108 MC13xxx_DEFINE(SW, _name, _reg, _vsel_reg, _voltages, ops) 109 #define MC13xxx_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages, ops) \ 110 MC13xxx_DEFINE(REGU, _name, _reg, _vsel_reg, _voltages, ops) 111 112 #endif 113