Commit | Line | Data |
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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
5ec271e7 BR |
2 | /* NXP PCF50633 PMIC Driver |
3 | * | |
4 | * (C) 2006-2008 by Openmoko, Inc. | |
5 | * Author: Balaji Rao <balajirrao@openmoko.org> | |
6 | * All rights reserved. | |
7 | * | |
8 | * Broken down from monstrous PCF50633 driver mainly by | |
9 | * Harald Welte and Andy Green and Werner Almesberger | |
5ec271e7 BR |
10 | */ |
11 | ||
12 | #include <linux/kernel.h> | |
13 | #include <linux/module.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/device.h> | |
16 | #include <linux/err.h> | |
17 | #include <linux/platform_device.h> | |
18 | ||
19 | #include <linux/mfd/pcf50633/core.h> | |
20 | #include <linux/mfd/pcf50633/pmic.h> | |
21 | ||
05cf34c1 | 22 | #define PCF50633_REGULATOR(_name, _id, _min_uV, _uV_step, _min_sel, _n) \ |
11bb88ec AL |
23 | { \ |
24 | .name = _name, \ | |
25 | .id = PCF50633_REGULATOR_##_id, \ | |
26 | .ops = &pcf50633_regulator_ops, \ | |
27 | .n_voltages = _n, \ | |
05cf34c1 AL |
28 | .min_uV = _min_uV, \ |
29 | .uV_step = _uV_step, \ | |
30 | .linear_min_sel = _min_sel, \ | |
11bb88ec AL |
31 | .type = REGULATOR_VOLTAGE, \ |
32 | .owner = THIS_MODULE, \ | |
98667b43 AL |
33 | .vsel_reg = PCF50633_REG_##_id##OUT, \ |
34 | .vsel_mask = 0xff, \ | |
11bb88ec AL |
35 | .enable_reg = PCF50633_REG_##_id##OUT + 1, \ |
36 | .enable_mask = PCF50633_REGULATOR_ON, \ | |
5ec271e7 BR |
37 | } |
38 | ||
0be79431 | 39 | static const struct regulator_ops pcf50633_regulator_ops = { |
368a7887 | 40 | .set_voltage_sel = regulator_set_voltage_sel_regmap, |
98667b43 | 41 | .get_voltage_sel = regulator_get_voltage_sel_regmap, |
05cf34c1 AL |
42 | .list_voltage = regulator_list_voltage_linear, |
43 | .map_voltage = regulator_map_voltage_linear, | |
11bb88ec AL |
44 | .enable = regulator_enable_regmap, |
45 | .disable = regulator_disable_regmap, | |
46 | .is_enabled = regulator_is_enabled_regmap, | |
5ec271e7 BR |
47 | }; |
48 | ||
2ac2d7d8 | 49 | static const struct regulator_desc regulators[] = { |
05cf34c1 AL |
50 | [PCF50633_REGULATOR_AUTO] = |
51 | PCF50633_REGULATOR("auto", AUTO, 1800000, 25000, 0x2f, 128), | |
52 | [PCF50633_REGULATOR_DOWN1] = | |
53 | PCF50633_REGULATOR("down1", DOWN1, 625000, 25000, 0, 96), | |
54 | [PCF50633_REGULATOR_DOWN2] = | |
55 | PCF50633_REGULATOR("down2", DOWN2, 625000, 25000, 0, 96), | |
56 | [PCF50633_REGULATOR_LDO1] = | |
57 | PCF50633_REGULATOR("ldo1", LDO1, 900000, 100000, 0, 28), | |
58 | [PCF50633_REGULATOR_LDO2] = | |
59 | PCF50633_REGULATOR("ldo2", LDO2, 900000, 100000, 0, 28), | |
60 | [PCF50633_REGULATOR_LDO3] = | |
61 | PCF50633_REGULATOR("ldo3", LDO3, 900000, 100000, 0, 28), | |
62 | [PCF50633_REGULATOR_LDO4] = | |
63 | PCF50633_REGULATOR("ldo4", LDO4, 900000, 100000, 0, 28), | |
64 | [PCF50633_REGULATOR_LDO5] = | |
65 | PCF50633_REGULATOR("ldo5", LDO5, 900000, 100000, 0, 28), | |
66 | [PCF50633_REGULATOR_LDO6] = | |
67 | PCF50633_REGULATOR("ldo6", LDO6, 900000, 100000, 0, 28), | |
68 | [PCF50633_REGULATOR_HCLDO] = | |
69 | PCF50633_REGULATOR("hcldo", HCLDO, 900000, 100000, 0, 28), | |
70 | [PCF50633_REGULATOR_MEMLDO] = | |
71 | PCF50633_REGULATOR("memldo", MEMLDO, 900000, 100000, 0, 28), | |
5ec271e7 BR |
72 | }; |
73 | ||
a5023574 | 74 | static int pcf50633_regulator_probe(struct platform_device *pdev) |
5ec271e7 BR |
75 | { |
76 | struct regulator_dev *rdev; | |
77 | struct pcf50633 *pcf; | |
c172708d | 78 | struct regulator_config config = { }; |
5ec271e7 BR |
79 | |
80 | /* Already set by core driver */ | |
98c2e490 | 81 | pcf = dev_to_pcf50633(pdev->dev.parent); |
5ec271e7 | 82 | |
c172708d | 83 | config.dev = &pdev->dev; |
dff91d0b | 84 | config.init_data = dev_get_platdata(&pdev->dev); |
c172708d | 85 | config.driver_data = pcf; |
11bb88ec | 86 | config.regmap = pcf->regmap; |
c172708d | 87 | |
5e0165e5 JH |
88 | rdev = devm_regulator_register(&pdev->dev, ®ulators[pdev->id], |
89 | &config); | |
5ec271e7 BR |
90 | if (IS_ERR(rdev)) |
91 | return PTR_ERR(rdev); | |
92 | ||
98c2e490 LPC |
93 | platform_set_drvdata(pdev, rdev); |
94 | ||
5ec271e7 BR |
95 | if (pcf->pdata->regulator_registered) |
96 | pcf->pdata->regulator_registered(pcf, pdev->id); | |
97 | ||
98 | return 0; | |
99 | } | |
100 | ||
5ec271e7 BR |
101 | static struct platform_driver pcf50633_regulator_driver = { |
102 | .driver = { | |
561427f5 | 103 | .name = "pcf50633-regulator", |
259b93b2 | 104 | .probe_type = PROBE_PREFER_ASYNCHRONOUS, |
5ec271e7 BR |
105 | }, |
106 | .probe = pcf50633_regulator_probe, | |
5ec271e7 BR |
107 | }; |
108 | ||
109 | static int __init pcf50633_regulator_init(void) | |
110 | { | |
111 | return platform_driver_register(&pcf50633_regulator_driver); | |
112 | } | |
5a1b22be | 113 | subsys_initcall(pcf50633_regulator_init); |
5ec271e7 BR |
114 | |
115 | static void __exit pcf50633_regulator_exit(void) | |
116 | { | |
117 | platform_driver_unregister(&pcf50633_regulator_driver); | |
118 | } | |
119 | module_exit(pcf50633_regulator_exit); | |
120 | ||
121 | MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>"); | |
122 | MODULE_DESCRIPTION("PCF50633 regulator driver"); | |
123 | MODULE_LICENSE("GPL"); | |
124 | MODULE_ALIAS("platform:pcf50633-regulator"); |