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regulator: rk808: Remove pdata from the regulator
[deliverable/linux.git] / drivers / regulator / rk808-regulator.c
CommitLineData
2cd64ae3
CZ		 1/*
2 * Regulator driver for Rockchip RK808
3 *
4 * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
5 *
6 * Author: Chris Zhong <zyw@rock-chips.com>
7 * Author: Zhang Qing <zhangqing@rock-chips.com>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms and conditions of the GNU General Public License,
11 * version 2, as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * more details.
2cd64ae3
CZ		 17 */
18
19#include <linux/module.h>
2cd64ae3 20#include <linux/i2c.h>
2cd64ae3 21#include <linux/mfd/rk808.h>
2cd64ae3
CZ		 22#include <linux/of_device.h>
23#include <linux/regulator/driver.h>
24#include <linux/regulator/of_regulator.h>
571a4010
CZ		 25
26/* Field Definitions */
2cd64ae3
CZ		 27#define RK808_BUCK_VSEL_MASK 0x3f
28#define RK808_BUCK4_VSEL_MASK 0xf
29#define RK808_LDO_VSEL_MASK 0x1f
30
31static const int buck_set_vol_base_addr[] = {
32 RK808_BUCK1_ON_VSEL_REG,
33 RK808_BUCK2_ON_VSEL_REG,
34 RK808_BUCK3_CONFIG_REG,
35 RK808_BUCK4_ON_VSEL_REG,
36};
37
38static const int buck_contr_base_addr[] = {
39 RK808_BUCK1_CONFIG_REG,
40 RK808_BUCK2_CONFIG_REG,
41 RK808_BUCK3_CONFIG_REG,
42 RK808_BUCK4_CONFIG_REG,
43};
44
2cd64ae3
CZ		 45static const int ldo_set_vol_base_addr[] = {
46 RK808_LDO1_ON_VSEL_REG,
47 RK808_LDO2_ON_VSEL_REG,
48 RK808_LDO3_ON_VSEL_REG,
49 RK808_LDO4_ON_VSEL_REG,
50 RK808_LDO5_ON_VSEL_REG,
51 RK808_LDO6_ON_VSEL_REG,
52 RK808_LDO7_ON_VSEL_REG,
53 RK808_LDO8_ON_VSEL_REG,
54};
55
571a4010 56/* rk808 voltage number */
2cd64ae3
CZ		 57static const struct regulator_linear_range rk808_buck_voltage_ranges[] = {
58 REGULATOR_LINEAR_RANGE(700000, 0, 63, 12500),
59};
60
61static const struct regulator_linear_range rk808_buck4_voltage_ranges[] = {
62 REGULATOR_LINEAR_RANGE(1800000, 0, 15, 100000),
63};
64
65static const struct regulator_linear_range rk808_ldo_voltage_ranges[] = {
66 REGULATOR_LINEAR_RANGE(1800000, 0, 16, 100000),
67};
68
69static const struct regulator_linear_range rk808_ldo3_voltage_ranges[] = {
70 REGULATOR_LINEAR_RANGE(800000, 0, 13, 100000),
71 REGULATOR_LINEAR_RANGE(2500000, 15, 15, 0),
72};
73
74static const struct regulator_linear_range rk808_ldo6_voltage_ranges[] = {
75 REGULATOR_LINEAR_RANGE(800000, 0, 17, 100000),
76};
77
78static struct regulator_ops rk808_reg_ops = {
79 .list_voltage = regulator_list_voltage_linear_range,
80 .map_voltage = regulator_map_voltage_linear_range,
81 .get_voltage_sel = regulator_get_voltage_sel_regmap,
82 .set_voltage_sel = regulator_set_voltage_sel_regmap,
83 .enable = regulator_enable_regmap,
84 .disable = regulator_disable_regmap,
85 .is_enabled = regulator_is_enabled_regmap,
86};
87
88static struct regulator_ops rk808_switch_ops = {
89 .enable = regulator_enable_regmap,
90 .disable = regulator_disable_regmap,
91 .is_enabled = regulator_is_enabled_regmap,
92};
93
94static const struct regulator_desc rk808_reg[] = {
95 {
96 .name = "DCDC_REG1",
b8074eba 97 .supply_name = "vcc1",
2cd64ae3
CZ		 98 .id = RK808_ID_DCDC1,
99 .ops = &rk808_reg_ops,
100 .type = REGULATOR_VOLTAGE,
101 .n_voltages = 64,
102 .linear_ranges = rk808_buck_voltage_ranges,
103 .n_linear_ranges = ARRAY_SIZE(rk808_buck_voltage_ranges),
104 .vsel_reg = RK808_BUCK1_ON_VSEL_REG,
105 .vsel_mask = RK808_BUCK_VSEL_MASK,
106 .enable_reg = RK808_DCDC_EN_REG,
107 .enable_mask = BIT(0),
108 .owner = THIS_MODULE,
109 }, {
110 .name = "DCDC_REG2",
b8074eba 111 .supply_name = "vcc2",
2cd64ae3
CZ		 112 .id = RK808_ID_DCDC2,
113 .ops = &rk808_reg_ops,
114 .type = REGULATOR_VOLTAGE,
115 .n_voltages = 64,
116 .linear_ranges = rk808_buck_voltage_ranges,
117 .n_linear_ranges = ARRAY_SIZE(rk808_buck_voltage_ranges),
118 .vsel_reg = RK808_BUCK2_ON_VSEL_REG,
119 .vsel_mask = RK808_BUCK_VSEL_MASK,
120 .enable_reg = RK808_DCDC_EN_REG,
121 .enable_mask = BIT(1),
122 .owner = THIS_MODULE,
123 }, {
124 .name = "DCDC_REG3",
b8074eba 125 .supply_name = "vcc3",
2cd64ae3
CZ		 126 .id = RK808_ID_DCDC3,
127 .ops = &rk808_switch_ops,
128 .type = REGULATOR_VOLTAGE,
129 .n_voltages = 1,
130 .enable_reg = RK808_DCDC_EN_REG,
131 .enable_mask = BIT(2),
132 .owner = THIS_MODULE,
133 }, {
134 .name = "DCDC_REG4",
b8074eba 135 .supply_name = "vcc4",
2cd64ae3
CZ		 136 .id = RK808_ID_DCDC4,
137 .ops = &rk808_reg_ops,
138 .type = REGULATOR_VOLTAGE,
5a82067f 139 .n_voltages = 16,
2cd64ae3
CZ		 140 .linear_ranges = rk808_buck4_voltage_ranges,
141 .n_linear_ranges = ARRAY_SIZE(rk808_buck4_voltage_ranges),
142 .vsel_reg = RK808_BUCK4_ON_VSEL_REG,
143 .vsel_mask = RK808_BUCK4_VSEL_MASK,
144 .enable_reg = RK808_DCDC_EN_REG,
145 .enable_mask = BIT(3),
146 .owner = THIS_MODULE,
147 }, {
148 .name = "LDO_REG1",
b8074eba 149 .supply_name = "vcc6",
2cd64ae3
CZ		 150 .id = RK808_ID_LDO1,
151 .ops = &rk808_reg_ops,
152 .type = REGULATOR_VOLTAGE,
153 .n_voltages = 17,
154 .linear_ranges = rk808_ldo_voltage_ranges,
155 .n_linear_ranges = ARRAY_SIZE(rk808_ldo_voltage_ranges),
156 .vsel_reg = RK808_LDO1_ON_VSEL_REG,
157 .vsel_mask = RK808_LDO_VSEL_MASK,
158 .enable_reg = RK808_LDO_EN_REG,
159 .enable_mask = BIT(0),
160 .owner = THIS_MODULE,
161 }, {
162 .name = "LDO_REG2",
b8074eba 163 .supply_name = "vcc6",
2cd64ae3
CZ		 164 .id = RK808_ID_LDO2,
165 .ops = &rk808_reg_ops,
166 .type = REGULATOR_VOLTAGE,
167 .n_voltages = 17,
168 .linear_ranges = rk808_ldo_voltage_ranges,
169 .n_linear_ranges = ARRAY_SIZE(rk808_ldo_voltage_ranges),
170 .vsel_reg = RK808_LDO2_ON_VSEL_REG,
171 .vsel_mask = RK808_LDO_VSEL_MASK,
172 .enable_reg = RK808_LDO_EN_REG,
173 .enable_mask = BIT(1),
174 .owner = THIS_MODULE,
175 }, {
176 .name = "LDO_REG3",
b8074eba 177 .supply_name = "vcc7",
2cd64ae3
CZ		 178 .id = RK808_ID_LDO3,
179 .ops = &rk808_reg_ops,
180 .type = REGULATOR_VOLTAGE,
181 .n_voltages = 16,
182 .linear_ranges = rk808_ldo3_voltage_ranges,
183 .n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
184 .vsel_reg = RK808_LDO3_ON_VSEL_REG,
185 .vsel_mask = RK808_BUCK4_VSEL_MASK,
186 .enable_reg = RK808_LDO_EN_REG,
187 .enable_mask = BIT(2),
188 .owner = THIS_MODULE,
189 }, {
190 .name = "LDO_REG4",
b8074eba 191 .supply_name = "vcc9",
2cd64ae3
CZ		 192 .id = RK808_ID_LDO4,
193 .ops = &rk808_reg_ops,
194 .type = REGULATOR_VOLTAGE,
195 .n_voltages = 17,
196 .linear_ranges = rk808_ldo_voltage_ranges,
197 .n_linear_ranges = ARRAY_SIZE(rk808_ldo_voltage_ranges),
198 .vsel_reg = RK808_LDO4_ON_VSEL_REG,
199 .vsel_mask = RK808_LDO_VSEL_MASK,
200 .enable_reg = RK808_LDO_EN_REG,
201 .enable_mask = BIT(3),
202 .owner = THIS_MODULE,
203 }, {
204 .name = "LDO_REG5",
b8074eba 205 .supply_name = "vcc9",
2cd64ae3
CZ		 206 .id = RK808_ID_LDO5,
207 .ops = &rk808_reg_ops,
208 .type = REGULATOR_VOLTAGE,
209 .n_voltages = 17,
210 .linear_ranges = rk808_ldo_voltage_ranges,
211 .n_linear_ranges = ARRAY_SIZE(rk808_ldo_voltage_ranges),
212 .vsel_reg = RK808_LDO5_ON_VSEL_REG,
213 .vsel_mask = RK808_LDO_VSEL_MASK,
214 .enable_reg = RK808_LDO_EN_REG,
215 .enable_mask = BIT(4),
216 .owner = THIS_MODULE,
217 }, {
218 .name = "LDO_REG6",
b8074eba 219 .supply_name = "vcc10",
2cd64ae3
CZ		 220 .id = RK808_ID_LDO6,
221 .ops = &rk808_reg_ops,
222 .type = REGULATOR_VOLTAGE,
223 .n_voltages = 18,
224 .linear_ranges = rk808_ldo6_voltage_ranges,
225 .n_linear_ranges = ARRAY_SIZE(rk808_ldo6_voltage_ranges),
226 .vsel_reg = RK808_LDO6_ON_VSEL_REG,
227 .vsel_mask = RK808_LDO_VSEL_MASK,
228 .enable_reg = RK808_LDO_EN_REG,
229 .enable_mask = BIT(5),
230 .owner = THIS_MODULE,
231 }, {
232 .name = "LDO_REG7",
b8074eba 233 .supply_name = "vcc7",
2cd64ae3
CZ		 234 .id = RK808_ID_LDO7,
235 .ops = &rk808_reg_ops,
236 .type = REGULATOR_VOLTAGE,
237 .n_voltages = 18,
238 .linear_ranges = rk808_ldo6_voltage_ranges,
239 .n_linear_ranges = ARRAY_SIZE(rk808_ldo6_voltage_ranges),
240 .vsel_reg = RK808_LDO7_ON_VSEL_REG,
241 .vsel_mask = RK808_LDO_VSEL_MASK,
242 .enable_reg = RK808_LDO_EN_REG,
243 .enable_mask = BIT(6),
244 .owner = THIS_MODULE,
245 }, {
246 .name = "LDO_REG8",
b8074eba 247 .supply_name = "vcc11",
2cd64ae3
CZ		 248 .id = RK808_ID_LDO8,
249 .ops = &rk808_reg_ops,
250 .type = REGULATOR_VOLTAGE,
251 .n_voltages = 17,
252 .linear_ranges = rk808_ldo_voltage_ranges,
253 .n_linear_ranges = ARRAY_SIZE(rk808_ldo_voltage_ranges),
254 .vsel_reg = RK808_LDO8_ON_VSEL_REG,
255 .vsel_mask = RK808_LDO_VSEL_MASK,
256 .enable_reg = RK808_LDO_EN_REG,
257 .enable_mask = BIT(7),
258 .owner = THIS_MODULE,
259 }, {
260 .name = "SWITCH_REG1",
b8074eba 261 .supply_name = "vcc8",
2cd64ae3
CZ		 262 .id = RK808_ID_SWITCH1,
263 .ops = &rk808_switch_ops,
264 .type = REGULATOR_VOLTAGE,
265 .enable_reg = RK808_DCDC_EN_REG,
266 .enable_mask = BIT(5),
267 .owner = THIS_MODULE,
268 }, {
269 .name = "SWITCH_REG2",
b8074eba 270 .supply_name = "vcc12",
2cd64ae3
CZ		 271 .id = RK808_ID_SWITCH2,
272 .ops = &rk808_switch_ops,
273 .type = REGULATOR_VOLTAGE,
274 .enable_reg = RK808_DCDC_EN_REG,
275 .enable_mask = BIT(6),
276 .owner = THIS_MODULE,
277 },
278};
279
280static struct of_regulator_match rk808_reg_matches[] = {
281 [RK808_ID_DCDC1] = { .name = "DCDC_REG1" },
282 [RK808_ID_DCDC2] = { .name = "DCDC_REG2" },
283 [RK808_ID_DCDC3] = { .name = "DCDC_REG3" },
284 [RK808_ID_DCDC4] = { .name = "DCDC_REG4" },
285 [RK808_ID_LDO1] = { .name = "LDO_REG1" },
286 [RK808_ID_LDO2] = { .name = "LDO_REG2" },
287 [RK808_ID_LDO3] = { .name = "LDO_REG3" },
288 [RK808_ID_LDO4] = { .name = "LDO_REG4" },
289 [RK808_ID_LDO5] = { .name = "LDO_REG5" },
290 [RK808_ID_LDO6] = { .name = "LDO_REG6" },
291 [RK808_ID_LDO7] = { .name = "LDO_REG7" },
292 [RK808_ID_LDO8] = { .name = "LDO_REG8" },
293 [RK808_ID_SWITCH1] = { .name = "SWITCH_REG1" },
294 [RK808_ID_SWITCH2] = { .name = "SWITCH_REG2" },
295};
296
2cd64ae3
CZ		 297static int rk808_regulator_probe(struct platform_device *pdev)
298{
299 struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
d76c333e 300 struct i2c_client *client = rk808->i2c;
571a4010 301 struct device_node *reg_np;
462004f1 302 struct regulator_config config = {};
2cd64ae3 303 struct regulator_dev *rk808_rdev;
571a4010 304 int ret, i;
2cd64ae3 305
571a4010
CZ		 306 reg_np = of_get_child_by_name(client->dev.of_node, "regulators");
307 if (!reg_np)
308 return -ENXIO;
2cd64ae3 309
571a4010
CZ		 310 ret = of_regulator_match(&client->dev, reg_np, rk808_reg_matches,
311 RK808_NUM_REGULATORS);
312 if (ret < 0)
2cd64ae3
CZ		 313 return ret;
314
2cd64ae3
CZ		 315 /* Instantiate the regulators */
316 for (i = 0; i < RK808_NUM_REGULATORS; i++) {
571a4010
CZ		 317 if (!rk808_reg_matches[i].init_data ||
318 !rk808_reg_matches[i].of_node)
2cd64ae3
CZ		 319 continue;
320
d76c333e 321 config.dev = &client->dev;
2cd64ae3
CZ		 322 config.driver_data = rk808;
323 config.regmap = rk808->regmap;
571a4010
CZ		 324 config.of_node = rk808_reg_matches[i].of_node;
325 config.init_data = rk808_reg_matches[i].init_data;
2cd64ae3
CZ		 326
327 rk808_rdev = devm_regulator_register(&pdev->dev,
328 &rk808_reg[i], &config);
329 if (IS_ERR(rk808_rdev)) {
d76c333e 330 dev_err(&client->dev,
2cd64ae3
CZ		 331 "failed to register %d regulator\n", i);
332 return PTR_ERR(rk808_rdev);
333 }
2cd64ae3 334 }
571a4010 335
2cd64ae3
CZ		 336 return 0;
337}
338
339static struct platform_driver rk808_regulator_driver = {
340 .probe = rk808_regulator_probe,
341 .driver = {
342 .name = "rk808-regulator",
343 .owner = THIS_MODULE,
344 },
345};
346
347module_platform_driver(rk808_regulator_driver);
348
349MODULE_DESCRIPTION("regulator driver for the rk808 series PMICs");
350MODULE_AUTHOR("Chris Zhong<zyw@rock-chips.com>");
571a4010 351MODULE_AUTHOR("Zhang Qing<zhangqing@rock-chips.com>");
2cd64ae3
CZ		 352MODULE_LICENSE("GPL");
353MODULE_ALIAS("platform:rk808-regulator");
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