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-rw-r--r--drivers/regulator/Kconfig8
-rw-r--r--drivers/regulator/Makefile1
-rw-r--r--drivers/regulator/max77843.c203
3 files changed, 0 insertions, 212 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index b1022c2fd877..ed5ac9eb5063 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -424,14 +424,6 @@ config REGULATOR_MAX77802
424 Exynos5420/Exynos5800 SoCs to control various voltages. 424 Exynos5420/Exynos5800 SoCs to control various voltages.
425 It includes support for control of voltage and ramp speed. 425 It includes support for control of voltage and ramp speed.
426 426
427config REGULATOR_MAX77843
428 tristate "Maxim 77843 regulator"
429 depends on MFD_MAX77843
430 help
431 This driver controls a Maxim 77843 regulator.
432 The regulator include two 'SAFEOUT' for USB(Universal Serial Bus)
433 This is suitable for Exynos5433 SoC chips.
434
435config REGULATOR_MC13XXX_CORE 427config REGULATOR_MC13XXX_CORE
436 tristate 428 tristate
437 429
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 91bf76267404..6429e629dcb6 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -56,7 +56,6 @@ obj-$(CONFIG_REGULATOR_MAX8998) += max8998.o
56obj-$(CONFIG_REGULATOR_MAX77686) += max77686.o 56obj-$(CONFIG_REGULATOR_MAX77686) += max77686.o
57obj-$(CONFIG_REGULATOR_MAX77693) += max77693.o 57obj-$(CONFIG_REGULATOR_MAX77693) += max77693.o
58obj-$(CONFIG_REGULATOR_MAX77802) += max77802.o 58obj-$(CONFIG_REGULATOR_MAX77802) += max77802.o
59obj-$(CONFIG_REGULATOR_MAX77843) += max77843.o
60obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o 59obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
61obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o 60obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o
62obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o 61obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o
diff --git a/drivers/regulator/max77843.c b/drivers/regulator/max77843.c
deleted file mode 100644
index 9926247aae6b..000000000000
--- a/drivers/regulator/max77843.c
+++ /dev/null
@@ -1,203 +0,0 @@
1/*
2 * max77843.c - Regulator driver for the Maxim MAX77843
3 *
4 * Copyright (C) 2015 Samsung Electronics
5 * Author: Jaewon Kim <jaewon02.kim@samsung.com>
6 * Author: Beomho Seo <beomho.seo@samsung.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#include <linux/module.h>
15#include <linux/platform_device.h>
16#include <linux/regulator/driver.h>
17#include <linux/regulator/machine.h>
18#include <linux/mfd/max77693-common.h>
19#include <linux/mfd/max77843-private.h>
20#include <linux/regulator/of_regulator.h>
21
22enum max77843_regulator_type {
23 MAX77843_SAFEOUT1 = 0,
24 MAX77843_SAFEOUT2,
25 MAX77843_CHARGER,
26
27 MAX77843_NUM,
28};
29
30static const unsigned int max77843_safeout_voltage_table[] = {
31 4850000,
32 4900000,
33 4950000,
34 3300000,
35};
36
37static int max77843_reg_get_current_limit(struct regulator_dev *rdev)
38{
39 struct regmap *regmap = rdev->regmap;
40 unsigned int chg_min_uA = rdev->constraints->min_uA;
41 unsigned int chg_max_uA = rdev->constraints->max_uA;
42 unsigned int val;
43 int ret;
44 unsigned int reg, sel;
45
46 ret = regmap_read(regmap, MAX77843_CHG_REG_CHG_CNFG_02, &reg);
47 if (ret) {
48 dev_err(&rdev->dev, "Failed to read charger register\n");
49 return ret;
50 }
51
52 sel = reg & MAX77843_CHG_FAST_CHG_CURRENT_MASK;
53
54 if (sel < 0x03)
55 sel = 0;
56 else
57 sel -= 2;
58
59 val = chg_min_uA + MAX77843_CHG_FAST_CHG_CURRENT_STEP * sel;
60 if (val > chg_max_uA)
61 return -EINVAL;
62
63 return val;
64}
65
66static int max77843_reg_set_current_limit(struct regulator_dev *rdev,
67 int min_uA, int max_uA)
68{
69 struct regmap *regmap = rdev->regmap;
70 unsigned int chg_min_uA = rdev->constraints->min_uA;
71 int sel = 0;
72
73 while (chg_min_uA + MAX77843_CHG_FAST_CHG_CURRENT_STEP * sel < min_uA)
74 sel++;
75
76 if (chg_min_uA + MAX77843_CHG_FAST_CHG_CURRENT_STEP * sel > max_uA)
77 return -EINVAL;
78
79 sel += 2;
80
81 return regmap_write(regmap, MAX77843_CHG_REG_CHG_CNFG_02, sel);
82}
83
84static struct regulator_ops max77843_charger_ops = {
85 .is_enabled = regulator_is_enabled_regmap,
86 .enable = regulator_enable_regmap,
87 .disable = regulator_disable_regmap,
88 .get_current_limit = max77843_reg_get_current_limit,
89 .set_current_limit = max77843_reg_set_current_limit,
90};
91
92static struct regulator_ops max77843_regulator_ops = {
93 .is_enabled = regulator_is_enabled_regmap,
94 .enable = regulator_enable_regmap,
95 .disable = regulator_disable_regmap,
96 .list_voltage = regulator_list_voltage_table,
97 .get_voltage_sel = regulator_get_voltage_sel_regmap,
98 .set_voltage_sel = regulator_set_voltage_sel_regmap,
99};
100
101#define MAX77843_SAFEOUT(num) { \
102 .name = "SAFEOUT" # num, \
103 .id = MAX77843_SAFEOUT ## num, \
104 .ops = &max77843_regulator_ops, \
105 .of_match = of_match_ptr("SAFEOUT" # num), \
106 .regulators_node = of_match_ptr("regulators"), \
107 .type = REGULATOR_VOLTAGE, \
108 .owner = THIS_MODULE, \
109 .n_voltages = ARRAY_SIZE(max77843_safeout_voltage_table), \
110 .volt_table = max77843_safeout_voltage_table, \
111 .enable_reg = MAX77843_SYS_REG_SAFEOUTCTRL, \
112 .enable_mask = MAX77843_REG_SAFEOUTCTRL_ENSAFEOUT ## num, \
113 .vsel_reg = MAX77843_SYS_REG_SAFEOUTCTRL, \
114 .vsel_mask = MAX77843_REG_SAFEOUTCTRL_SAFEOUT ## num ## _MASK, \
115}
116
117static const struct regulator_desc max77843_supported_regulators[] = {
118 [MAX77843_SAFEOUT1] = MAX77843_SAFEOUT(1),
119 [MAX77843_SAFEOUT2] = MAX77843_SAFEOUT(2),
120 [MAX77843_CHARGER] = {
121 .name = "CHARGER",
122 .id = MAX77843_CHARGER,
123 .ops = &max77843_charger_ops,
124 .of_match = of_match_ptr("CHARGER"),
125 .regulators_node = of_match_ptr("regulators"),
126 .type = REGULATOR_CURRENT,
127 .owner = THIS_MODULE,
128 .enable_reg = MAX77843_CHG_REG_CHG_CNFG_00,
129 .enable_mask = MAX77843_CHG_MASK | MAX77843_CHG_BUCK_MASK,
130 .enable_val = MAX77843_CHG_MASK | MAX77843_CHG_BUCK_MASK,
131 },
132};
133
134static struct regmap *max77843_get_regmap(struct max77693_dev *max77843,
135 int reg_id)
136{
137 switch (reg_id) {
138 case MAX77843_SAFEOUT1:
139 case MAX77843_SAFEOUT2:
140 return max77843->regmap;
141 case MAX77843_CHARGER:
142 return max77843->regmap_chg;
143 default:
144 return max77843->regmap;
145 }
146}
147
148static int max77843_regulator_probe(struct platform_device *pdev)
149{
150 struct max77693_dev *max77843 = dev_get_drvdata(pdev->dev.parent);
151 struct regulator_config config = {};
152 int i;
153
154 config.dev = max77843->dev;
155 config.driver_data = max77843;
156
157 for (i = 0; i < ARRAY_SIZE(max77843_supported_regulators); i++) {
158 struct regulator_dev *regulator;
159
160 config.regmap = max77843_get_regmap(max77843,
161 max77843_supported_regulators[i].id);
162
163 regulator = devm_regulator_register(&pdev->dev,
164 &max77843_supported_regulators[i], &config);
165 if (IS_ERR(regulator)) {
166 dev_err(&pdev->dev,
167 "Failed to regiser regulator-%d\n", i);
168 return PTR_ERR(regulator);
169 }
170 }
171
172 return 0;
173}
174
175static const struct platform_device_id max77843_regulator_id[] = {
176 { "max77843-regulator", },
177 { /* sentinel */ },
178};
179
180static struct platform_driver max77843_regulator_driver = {
181 .driver = {
182 .name = "max77843-regulator",
183 },
184 .probe = max77843_regulator_probe,
185 .id_table = max77843_regulator_id,
186};
187
188static int __init max77843_regulator_init(void)
189{
190 return platform_driver_register(&max77843_regulator_driver);
191}
192subsys_initcall(max77843_regulator_init);
193
194static void __exit max77843_regulator_exit(void)
195{
196 platform_driver_unregister(&max77843_regulator_driver);
197}
198module_exit(max77843_regulator_exit);
199
200MODULE_AUTHOR("Jaewon Kim <jaewon02.kim@samsung.com>");
201MODULE_AUTHOR("Beomho Seo <beomho.seo@samsung.com>");
202MODULE_DESCRIPTION("Maxim MAX77843 regulator driver");
203MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2026-04-27 23:11:34 -0400