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[] __counted_by(num_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 |
39 | static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev) |
40 | { |
41 | return -ENODEV; |
42 | } |
43 | |
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 | |