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5ec271e7 BR |
1 | /* NXP PCF50633 PMIC Driver |
2 | * | |
3 | * (C) 2006-2008 by Openmoko, Inc. | |
4 | * Author: Balaji Rao <balajirrao@openmoko.org> | |
5 | * All rights reserved. | |
6 | * | |
7 | * Broken down from monstrous PCF50633 driver mainly by | |
8 | * Harald Welte and Andy Green and Werner Almesberger | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the | |
12 | * Free Software Foundation; either version 2 of the License, or (at your | |
13 | * option) any later version. | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/module.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/device.h> | |
21 | #include <linux/err.h> | |
22 | #include <linux/platform_device.h> | |
23 | ||
24 | #include <linux/mfd/pcf50633/core.h> | |
25 | #include <linux/mfd/pcf50633/pmic.h> | |
26 | ||
05cf34c1 | 27 | #define PCF50633_REGULATOR(_name, _id, _min_uV, _uV_step, _min_sel, _n) \ |
11bb88ec AL |
28 | { \ |
29 | .name = _name, \ | |
30 | .id = PCF50633_REGULATOR_##_id, \ | |
31 | .ops = &pcf50633_regulator_ops, \ | |
32 | .n_voltages = _n, \ | |
05cf34c1 AL |
33 | .min_uV = _min_uV, \ |
34 | .uV_step = _uV_step, \ | |
35 | .linear_min_sel = _min_sel, \ | |
11bb88ec AL |
36 | .type = REGULATOR_VOLTAGE, \ |
37 | .owner = THIS_MODULE, \ | |
98667b43 AL |
38 | .vsel_reg = PCF50633_REG_##_id##OUT, \ |
39 | .vsel_mask = 0xff, \ | |
11bb88ec AL |
40 | .enable_reg = PCF50633_REG_##_id##OUT + 1, \ |
41 | .enable_mask = PCF50633_REGULATOR_ON, \ | |
5ec271e7 BR |
42 | } |
43 | ||
5ec271e7 | 44 | static struct regulator_ops pcf50633_regulator_ops = { |
368a7887 | 45 | .set_voltage_sel = regulator_set_voltage_sel_regmap, |
98667b43 | 46 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
05cf34c1 AL |
47 | .list_voltage = regulator_list_voltage_linear, |
48 | .map_voltage = regulator_map_voltage_linear, | |
11bb88ec AL |
49 | .enable = regulator_enable_regmap, |
50 | .disable = regulator_disable_regmap, | |
51 | .is_enabled = regulator_is_enabled_regmap, | |
5ec271e7 BR |
52 | }; |
53 | ||
2ac2d7d8 | 54 | static const struct regulator_desc regulators[] = { |
05cf34c1 AL |
55 | [PCF50633_REGULATOR_AUTO] = |
56 | PCF50633_REGULATOR("auto", AUTO, 1800000, 25000, 0x2f, 128), | |
57 | [PCF50633_REGULATOR_DOWN1] = | |
58 | PCF50633_REGULATOR("down1", DOWN1, 625000, 25000, 0, 96), | |
59 | [PCF50633_REGULATOR_DOWN2] = | |
60 | PCF50633_REGULATOR("down2", DOWN2, 625000, 25000, 0, 96), | |
61 | [PCF50633_REGULATOR_LDO1] = | |
62 | PCF50633_REGULATOR("ldo1", LDO1, 900000, 100000, 0, 28), | |
63 | [PCF50633_REGULATOR_LDO2] = | |
64 | PCF50633_REGULATOR("ldo2", LDO2, 900000, 100000, 0, 28), | |
65 | [PCF50633_REGULATOR_LDO3] = | |
66 | PCF50633_REGULATOR("ldo3", LDO3, 900000, 100000, 0, 28), | |
67 | [PCF50633_REGULATOR_LDO4] = | |
68 | PCF50633_REGULATOR("ldo4", LDO4, 900000, 100000, 0, 28), | |
69 | [PCF50633_REGULATOR_LDO5] = | |
70 | PCF50633_REGULATOR("ldo5", LDO5, 900000, 100000, 0, 28), | |
71 | [PCF50633_REGULATOR_LDO6] = | |
72 | PCF50633_REGULATOR("ldo6", LDO6, 900000, 100000, 0, 28), | |
73 | [PCF50633_REGULATOR_HCLDO] = | |
74 | PCF50633_REGULATOR("hcldo", HCLDO, 900000, 100000, 0, 28), | |
75 | [PCF50633_REGULATOR_MEMLDO] = | |
76 | PCF50633_REGULATOR("memldo", MEMLDO, 900000, 100000, 0, 28), | |
5ec271e7 BR |
77 | }; |
78 | ||
a5023574 | 79 | static int pcf50633_regulator_probe(struct platform_device *pdev) |
5ec271e7 BR |
80 | { |
81 | struct regulator_dev *rdev; | |
82 | struct pcf50633 *pcf; | |
c172708d | 83 | struct regulator_config config = { }; |
5ec271e7 BR |
84 | |
85 | /* Already set by core driver */ | |
98c2e490 | 86 | pcf = dev_to_pcf50633(pdev->dev.parent); |
5ec271e7 | 87 | |
c172708d MB |
88 | config.dev = &pdev->dev; |
89 | config.init_data = pdev->dev.platform_data; | |
90 | config.driver_data = pcf; | |
11bb88ec | 91 | config.regmap = pcf->regmap; |
c172708d MB |
92 | |
93 | rdev = regulator_register(®ulators[pdev->id], &config); | |
5ec271e7 BR |
94 | if (IS_ERR(rdev)) |
95 | return PTR_ERR(rdev); | |
96 | ||
98c2e490 LPC |
97 | platform_set_drvdata(pdev, rdev); |
98 | ||
5ec271e7 BR |
99 | if (pcf->pdata->regulator_registered) |
100 | pcf->pdata->regulator_registered(pcf, pdev->id); | |
101 | ||
102 | return 0; | |
103 | } | |
104 | ||
8dc995f5 | 105 | static int pcf50633_regulator_remove(struct platform_device *pdev) |
5ec271e7 BR |
106 | { |
107 | struct regulator_dev *rdev = platform_get_drvdata(pdev); | |
108 | ||
109 | regulator_unregister(rdev); | |
110 | ||
111 | return 0; | |
112 | } | |
113 | ||
114 | static struct platform_driver pcf50633_regulator_driver = { | |
115 | .driver = { | |
116 | .name = "pcf50633-regltr", | |
117 | }, | |
118 | .probe = pcf50633_regulator_probe, | |
5eb9f2b9 | 119 | .remove = pcf50633_regulator_remove, |
5ec271e7 BR |
120 | }; |
121 | ||
122 | static int __init pcf50633_regulator_init(void) | |
123 | { | |
124 | return platform_driver_register(&pcf50633_regulator_driver); | |
125 | } | |
5a1b22be | 126 | subsys_initcall(pcf50633_regulator_init); |
5ec271e7 BR |
127 | |
128 | static void __exit pcf50633_regulator_exit(void) | |
129 | { | |
130 | platform_driver_unregister(&pcf50633_regulator_driver); | |
131 | } | |
132 | module_exit(pcf50633_regulator_exit); | |
133 | ||
134 | MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>"); | |
135 | MODULE_DESCRIPTION("PCF50633 regulator driver"); | |
136 | MODULE_LICENSE("GPL"); | |
137 | MODULE_ALIAS("platform:pcf50633-regulator"); |