1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/* NXP PCF50633 PMIC Driver
*
* (C) 2006-2008 by Openmoko, Inc.
* Author: Balaji Rao <balajirrao@openmoko.org>
* All rights reserved.
*
* Broken down from monstrous PCF50633 driver mainly by
* Harald Welte and Andy Green and Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/mfd/pcf50633/core.h>
#include <linux/mfd/pcf50633/pmic.h>
#define PCF50633_REGULATOR(_name, _id, _min_uV, _uV_step, _min_sel, _n) \
{ \
.name = _name, \
.id = PCF50633_REGULATOR_##_id, \
.ops = &pcf50633_regulator_ops, \
.n_voltages = _n, \
.min_uV = _min_uV, \
.uV_step = _uV_step, \
.linear_min_sel = _min_sel, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
.vsel_reg = PCF50633_REG_##_id##OUT, \
.vsel_mask = 0xff, \
.enable_reg = PCF50633_REG_##_id##OUT + 1, \
.enable_mask = PCF50633_REGULATOR_ON, \
}
static struct regulator_ops pcf50633_regulator_ops = {
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
};
static const struct regulator_desc regulators[] = {
[PCF50633_REGULATOR_AUTO] =
PCF50633_REGULATOR("auto", AUTO, 1800000, 25000, 0x2f, 128),
[PCF50633_REGULATOR_DOWN1] =
PCF50633_REGULATOR("down1", DOWN1, 625000, 25000, 0, 96),
[PCF50633_REGULATOR_DOWN2] =
PCF50633_REGULATOR("down2", DOWN2, 625000, 25000, 0, 96),
[PCF50633_REGULATOR_LDO1] =
PCF50633_REGULATOR("ldo1", LDO1, 900000, 100000, 0, 28),
[PCF50633_REGULATOR_LDO2] =
PCF50633_REGULATOR("ldo2", LDO2, 900000, 100000, 0, 28),
[PCF50633_REGULATOR_LDO3] =
PCF50633_REGULATOR("ldo3", LDO3, 900000, 100000, 0, 28),
[PCF50633_REGULATOR_LDO4] =
PCF50633_REGULATOR("ldo4", LDO4, 900000, 100000, 0, 28),
[PCF50633_REGULATOR_LDO5] =
PCF50633_REGULATOR("ldo5", LDO5, 900000, 100000, 0, 28),
[PCF50633_REGULATOR_LDO6] =
PCF50633_REGULATOR("ldo6", LDO6, 900000, 100000, 0, 28),
[PCF50633_REGULATOR_HCLDO] =
PCF50633_REGULATOR("hcldo", HCLDO, 900000, 100000, 0, 28),
[PCF50633_REGULATOR_MEMLDO] =
PCF50633_REGULATOR("memldo", MEMLDO, 900000, 100000, 0, 28),
};
static int pcf50633_regulator_probe(struct platform_device *pdev)
{
struct regulator_dev *rdev;
struct pcf50633 *pcf;
struct regulator_config config = { };
/* Already set by core driver */
pcf = dev_to_pcf50633(pdev->dev.parent);
config.dev = &pdev->dev;
config.init_data = pdev->dev.platform_data;
config.driver_data = pcf;
config.regmap = pcf->regmap;
rdev = regulator_register(®ulators[pdev->id], &config);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
platform_set_drvdata(pdev, rdev);
if (pcf->pdata->regulator_registered)
pcf->pdata->regulator_registered(pcf, pdev->id);
return 0;
}
static int pcf50633_regulator_remove(struct platform_device *pdev)
{
struct regulator_dev *rdev = platform_get_drvdata(pdev);
platform_set_drvdata(pdev, NULL);
regulator_unregister(rdev);
return 0;
}
static struct platform_driver pcf50633_regulator_driver = {
.driver = {
.name = "pcf50633-regltr",
},
.probe = pcf50633_regulator_probe,
.remove = pcf50633_regulator_remove,
};
static int __init pcf50633_regulator_init(void)
{
return platform_driver_register(&pcf50633_regulator_driver);
}
subsys_initcall(pcf50633_regulator_init);
static void __exit pcf50633_regulator_exit(void)
{
platform_driver_unregister(&pcf50633_regulator_driver);
}
module_exit(pcf50633_regulator_exit);
MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
MODULE_DESCRIPTION("PCF50633 regulator driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:pcf50633-regulator");
|
