1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * mc13xxx.h - regulators for the Freescale mc13xxx PMIC
4 *
5 * Copyright (C) 2010 Yong Shen <yong.shen@linaro.org>
6 */
7
8 #ifndef __LINUX_REGULATOR_MC13XXX_H
9 #define __LINUX_REGULATOR_MC13XXX_H
10
11 #include <linux/regulator/driver.h>
12
13 struct mc13xxx_regulator {
14 struct regulator_desc desc;
15 int reg;
16 int enable_bit;
17 int vsel_reg;
18 int vsel_shift;
19 int vsel_mask;
20 };
21
22 struct mc13xxx_regulator_priv {
23 struct mc13xxx *mc13xxx;
24 u32 powermisc_pwgt_state;
25 struct mc13xxx_regulator *mc13xxx_regulators;
26 int num_regulators;
27 struct regulator_dev *regulators[];
28 };
29
30 extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
31 int min_uV, int max_uV, unsigned *selector);
32
33 #ifdef CONFIG_OF
34 extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
35 extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
36 struct platform_device *pdev, struct mc13xxx_regulator *regulators,
37 int num_regulators);
38 #else
mc13xxx_get_num_regulators_dt(struct platform_device * pdev)39 static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
40 {
41 return -ENODEV;
42 }
43
mc13xxx_parse_regulators_dt(struct platform_device * pdev,struct mc13xxx_regulator * regulators,int num_regulators)44 static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
45 struct platform_device *pdev, struct mc13xxx_regulator *regulators,
46 int num_regulators)
47 {
48 return NULL;
49 }
50 #endif
51
52 extern const struct regulator_ops mc13xxx_regulator_ops;
53 extern const struct regulator_ops mc13xxx_fixed_regulator_ops;
54
55 #define MC13xxx_DEFINE(prefix, _name, _node, _reg, _vsel_reg, _voltages, _ops) \
56 [prefix ## _name] = { \
57 .desc = { \
58 .name = #_node, \
59 .n_voltages = ARRAY_SIZE(_voltages), \
60 .volt_table = _voltages, \
61 .ops = &_ops, \
62 .type = REGULATOR_VOLTAGE, \
63 .id = prefix ## _name, \
64 .owner = THIS_MODULE, \
65 }, \
66 .reg = prefix ## _reg, \
67 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \
68 .vsel_reg = prefix ## _vsel_reg, \
69 .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\
70 .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\
71 }
72
73 #define MC13xxx_FIXED_DEFINE(prefix, _name, _node, _reg, _voltages, _ops) \
74 [prefix ## _name] = { \
75 .desc = { \
76 .name = #_node, \
77 .n_voltages = ARRAY_SIZE(_voltages), \
78 .volt_table = _voltages, \
79 .ops = &_ops, \
80 .type = REGULATOR_VOLTAGE, \
81 .id = prefix ## _name, \
82 .owner = THIS_MODULE, \
83 }, \
84 .reg = prefix ## _reg, \
85 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \
86 }
87
88 #define MC13xxx_GPO_DEFINE(prefix, _name, _node, _reg, _voltages, _ops) \
89 [prefix ## _name] = { \
90 .desc = { \
91 .name = #_node, \
92 .n_voltages = ARRAY_SIZE(_voltages), \
93 .volt_table = _voltages, \
94 .ops = &_ops, \
95 .type = REGULATOR_VOLTAGE, \
96 .id = prefix ## _name, \
97 .owner = THIS_MODULE, \
98 }, \
99 .reg = prefix ## _reg, \
100 .enable_bit = prefix ## _reg ## _ ## _name ## EN, \
101 }
102
103 #define MC13xxx_DEFINE_SW(_name, _node, _reg, _vsel_reg, _voltages, ops) \
104 MC13xxx_DEFINE(SW, _name, _node, _reg, _vsel_reg, _voltages, ops)
105 #define MC13xxx_DEFINE_REGU(_name, _node, _reg, _vsel_reg, _voltages, ops) \
106 MC13xxx_DEFINE(REGU, _name, _node, _reg, _vsel_reg, _voltages, ops)
107
108 #endif
109