1c12ac5fcSJerome Neanne // SPDX-License-Identifier: GPL-2.0
2c12ac5fcSJerome Neanne //
3c12ac5fcSJerome Neanne // tps65219-regulator.c
4c12ac5fcSJerome Neanne //
5c12ac5fcSJerome Neanne // Regulator driver for TPS65219 PMIC
6c12ac5fcSJerome Neanne //
7c12ac5fcSJerome Neanne // Copyright (C) 2022 BayLibre Incorporated - https://www.baylibre.com/
8c12ac5fcSJerome Neanne //
9c12ac5fcSJerome Neanne // This implementation derived from tps65218 authored by
10c12ac5fcSJerome Neanne // "J Keerthy <j-keerthy@ti.com>"
11c12ac5fcSJerome Neanne //
12c12ac5fcSJerome Neanne
13c12ac5fcSJerome Neanne #include <linux/kernel.h>
14c12ac5fcSJerome Neanne #include <linux/module.h>
15c12ac5fcSJerome Neanne #include <linux/device.h>
16c12ac5fcSJerome Neanne #include <linux/init.h>
17c12ac5fcSJerome Neanne #include <linux/err.h>
18*045a44d4SRob Herring #include <linux/of.h>
19c12ac5fcSJerome Neanne #include <linux/platform_device.h>
20c12ac5fcSJerome Neanne #include <linux/regmap.h>
21c12ac5fcSJerome Neanne #include <linux/regulator/of_regulator.h>
22c12ac5fcSJerome Neanne #include <linux/regulator/driver.h>
23c12ac5fcSJerome Neanne #include <linux/regulator/machine.h>
24c12ac5fcSJerome Neanne #include <linux/mfd/tps65219.h>
25c12ac5fcSJerome Neanne
26c12ac5fcSJerome Neanne struct tps65219_regulator_irq_type {
27c12ac5fcSJerome Neanne const char *irq_name;
28c12ac5fcSJerome Neanne const char *regulator_name;
29c12ac5fcSJerome Neanne const char *event_name;
30c12ac5fcSJerome Neanne unsigned long event;
31c12ac5fcSJerome Neanne };
32c12ac5fcSJerome Neanne
33b662748fSYang Yingliang static struct tps65219_regulator_irq_type tps65219_regulator_irq_types[] = {
34c12ac5fcSJerome Neanne { "LDO3_SCG", "LDO3", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT },
35c12ac5fcSJerome Neanne { "LDO3_OC", "LDO3", "overcurrent", REGULATOR_EVENT_OVER_CURRENT },
36c12ac5fcSJerome Neanne { "LDO3_UV", "LDO3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
37c12ac5fcSJerome Neanne { "LDO4_SCG", "LDO4", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT },
38c12ac5fcSJerome Neanne { "LDO4_OC", "LDO4", "overcurrent", REGULATOR_EVENT_OVER_CURRENT },
39c12ac5fcSJerome Neanne { "LDO4_UV", "LDO4", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
40c12ac5fcSJerome Neanne { "LDO1_SCG", "LDO1", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT },
41c12ac5fcSJerome Neanne { "LDO1_OC", "LDO1", "overcurrent", REGULATOR_EVENT_OVER_CURRENT },
42c12ac5fcSJerome Neanne { "LDO1_UV", "LDO1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
43c12ac5fcSJerome Neanne { "LDO2_SCG", "LDO2", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT },
44c12ac5fcSJerome Neanne { "LDO2_OC", "LDO2", "overcurrent", REGULATOR_EVENT_OVER_CURRENT },
45c12ac5fcSJerome Neanne { "LDO2_UV", "LDO2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
46c12ac5fcSJerome Neanne { "BUCK3_SCG", "BUCK3", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT },
47c12ac5fcSJerome Neanne { "BUCK3_OC", "BUCK3", "overcurrent", REGULATOR_EVENT_OVER_CURRENT },
48c12ac5fcSJerome Neanne { "BUCK3_NEG_OC", "BUCK3", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT },
49c12ac5fcSJerome Neanne { "BUCK3_UV", "BUCK3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
50c12ac5fcSJerome Neanne { "BUCK1_SCG", "BUCK1", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT },
51c12ac5fcSJerome Neanne { "BUCK1_OC", "BUCK1", "overcurrent", REGULATOR_EVENT_OVER_CURRENT },
52c12ac5fcSJerome Neanne { "BUCK1_NEG_OC", "BUCK1", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT },
53c12ac5fcSJerome Neanne { "BUCK1_UV", "BUCK1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
54c12ac5fcSJerome Neanne { "BUCK2_SCG", "BUCK2", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT },
55c12ac5fcSJerome Neanne { "BUCK2_OC", "BUCK2", "overcurrent", REGULATOR_EVENT_OVER_CURRENT },
56c12ac5fcSJerome Neanne { "BUCK2_NEG_OC", "BUCK2", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT },
57c12ac5fcSJerome Neanne { "BUCK2_UV", "BUCK2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE },
58c12ac5fcSJerome Neanne { "BUCK1_RV", "BUCK1", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
59c12ac5fcSJerome Neanne { "BUCK2_RV", "BUCK2", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
60c12ac5fcSJerome Neanne { "BUCK3_RV", "BUCK3", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
61c12ac5fcSJerome Neanne { "LDO1_RV", "LDO1", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
62c12ac5fcSJerome Neanne { "LDO2_RV", "LDO2", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
63c12ac5fcSJerome Neanne { "LDO3_RV", "LDO3", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
64c12ac5fcSJerome Neanne { "LDO4_RV", "LDO4", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
65c12ac5fcSJerome Neanne { "BUCK1_RV_SD", "BUCK1", "residual voltage on shutdown",
66c12ac5fcSJerome Neanne REGULATOR_EVENT_OVER_VOLTAGE_WARN },
67c12ac5fcSJerome Neanne { "BUCK2_RV_SD", "BUCK2", "residual voltage on shutdown",
68c12ac5fcSJerome Neanne REGULATOR_EVENT_OVER_VOLTAGE_WARN },
69c12ac5fcSJerome Neanne { "BUCK3_RV_SD", "BUCK3", "residual voltage on shutdown",
70c12ac5fcSJerome Neanne REGULATOR_EVENT_OVER_VOLTAGE_WARN },
71c12ac5fcSJerome Neanne { "LDO1_RV_SD", "LDO1", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
72c12ac5fcSJerome Neanne { "LDO2_RV_SD", "LDO2", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
73c12ac5fcSJerome Neanne { "LDO3_RV_SD", "LDO3", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
74c12ac5fcSJerome Neanne { "LDO4_RV_SD", "LDO4", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN },
75c12ac5fcSJerome Neanne { "SENSOR_3_WARM", "SENSOR3", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN},
76c12ac5fcSJerome Neanne { "SENSOR_2_WARM", "SENSOR2", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN },
77c12ac5fcSJerome Neanne { "SENSOR_1_WARM", "SENSOR1", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN },
78c12ac5fcSJerome Neanne { "SENSOR_0_WARM", "SENSOR0", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN },
79c12ac5fcSJerome Neanne { "SENSOR_3_HOT", "SENSOR3", "hot temperature", REGULATOR_EVENT_OVER_TEMP},
80c12ac5fcSJerome Neanne { "SENSOR_2_HOT", "SENSOR2", "hot temperature", REGULATOR_EVENT_OVER_TEMP },
81c12ac5fcSJerome Neanne { "SENSOR_1_HOT", "SENSOR1", "hot temperature", REGULATOR_EVENT_OVER_TEMP },
82c12ac5fcSJerome Neanne { "SENSOR_0_HOT", "SENSOR0", "hot temperature", REGULATOR_EVENT_OVER_TEMP },
83c12ac5fcSJerome Neanne { "TIMEOUT", "", "", REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE },
84c12ac5fcSJerome Neanne };
85c12ac5fcSJerome Neanne
86c12ac5fcSJerome Neanne struct tps65219_regulator_irq_data {
87c12ac5fcSJerome Neanne struct device *dev;
88c12ac5fcSJerome Neanne struct tps65219_regulator_irq_type *type;
89c12ac5fcSJerome Neanne struct regulator_dev *rdev;
90c12ac5fcSJerome Neanne };
91c12ac5fcSJerome Neanne
92c12ac5fcSJerome Neanne #define TPS65219_REGULATOR(_name, _of, _id, _type, _ops, _n, _vr, _vm, _er, \
93c12ac5fcSJerome Neanne _em, _cr, _cm, _lr, _nlr, _delay, _fuv, \
94c12ac5fcSJerome Neanne _ct, _ncl, _bpm) \
95c12ac5fcSJerome Neanne { \
96c12ac5fcSJerome Neanne .name = _name, \
97c12ac5fcSJerome Neanne .of_match = _of, \
98c12ac5fcSJerome Neanne .regulators_node = of_match_ptr("regulators"), \
99c12ac5fcSJerome Neanne .supply_name = _of, \
100c12ac5fcSJerome Neanne .id = _id, \
101c12ac5fcSJerome Neanne .ops = &(_ops), \
102c12ac5fcSJerome Neanne .n_voltages = _n, \
103c12ac5fcSJerome Neanne .type = _type, \
104c12ac5fcSJerome Neanne .owner = THIS_MODULE, \
105c12ac5fcSJerome Neanne .vsel_reg = _vr, \
106c12ac5fcSJerome Neanne .vsel_mask = _vm, \
107c12ac5fcSJerome Neanne .csel_reg = _cr, \
108c12ac5fcSJerome Neanne .csel_mask = _cm, \
109c12ac5fcSJerome Neanne .curr_table = _ct, \
110c12ac5fcSJerome Neanne .n_current_limits = _ncl, \
111c12ac5fcSJerome Neanne .enable_reg = _er, \
112c12ac5fcSJerome Neanne .enable_mask = _em, \
113c12ac5fcSJerome Neanne .volt_table = NULL, \
114c12ac5fcSJerome Neanne .linear_ranges = _lr, \
115c12ac5fcSJerome Neanne .n_linear_ranges = _nlr, \
116c12ac5fcSJerome Neanne .ramp_delay = _delay, \
117c12ac5fcSJerome Neanne .fixed_uV = _fuv, \
118c12ac5fcSJerome Neanne .bypass_reg = _vr, \
119c12ac5fcSJerome Neanne .bypass_mask = _bpm, \
120c12ac5fcSJerome Neanne } \
121c12ac5fcSJerome Neanne
122c12ac5fcSJerome Neanne static const struct linear_range bucks_ranges[] = {
123c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(600000, 0x0, 0x1f, 25000),
124c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(1400000, 0x20, 0x33, 100000),
125c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(3400000, 0x34, 0x3f, 0),
126c12ac5fcSJerome Neanne };
127c12ac5fcSJerome Neanne
128c12ac5fcSJerome Neanne static const struct linear_range ldos_1_2_ranges[] = {
129c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(600000, 0x0, 0x37, 50000),
130c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(3400000, 0x38, 0x3f, 0),
131c12ac5fcSJerome Neanne };
132c12ac5fcSJerome Neanne
133c12ac5fcSJerome Neanne static const struct linear_range ldos_3_4_ranges[] = {
134c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(1200000, 0x0, 0xC, 0),
135c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(1250000, 0xD, 0x35, 50000),
136c12ac5fcSJerome Neanne REGULATOR_LINEAR_RANGE(3300000, 0x36, 0x3F, 0),
137c12ac5fcSJerome Neanne };
138c12ac5fcSJerome Neanne
tps65219_set_mode(struct regulator_dev * dev,unsigned int mode)139c12ac5fcSJerome Neanne static int tps65219_set_mode(struct regulator_dev *dev, unsigned int mode)
140c12ac5fcSJerome Neanne {
141c12ac5fcSJerome Neanne struct tps65219 *tps = rdev_get_drvdata(dev);
142c12ac5fcSJerome Neanne
143c12ac5fcSJerome Neanne switch (mode) {
144c12ac5fcSJerome Neanne case REGULATOR_MODE_NORMAL:
145c12ac5fcSJerome Neanne return regmap_set_bits(tps->regmap, TPS65219_REG_STBY_1_CONFIG,
146c12ac5fcSJerome Neanne dev->desc->enable_mask);
147c12ac5fcSJerome Neanne
148c12ac5fcSJerome Neanne case REGULATOR_MODE_STANDBY:
149c12ac5fcSJerome Neanne return regmap_clear_bits(tps->regmap,
150c12ac5fcSJerome Neanne TPS65219_REG_STBY_1_CONFIG,
151c12ac5fcSJerome Neanne dev->desc->enable_mask);
152c12ac5fcSJerome Neanne default:
153c12ac5fcSJerome Neanne return -EINVAL;
154c12ac5fcSJerome Neanne }
155c12ac5fcSJerome Neanne }
156c12ac5fcSJerome Neanne
tps65219_get_mode(struct regulator_dev * dev)157c12ac5fcSJerome Neanne static unsigned int tps65219_get_mode(struct regulator_dev *dev)
158c12ac5fcSJerome Neanne {
159c12ac5fcSJerome Neanne struct tps65219 *tps = rdev_get_drvdata(dev);
160c12ac5fcSJerome Neanne unsigned int rid = rdev_get_id(dev);
161c12ac5fcSJerome Neanne int ret, value = 0;
162c12ac5fcSJerome Neanne
163c12ac5fcSJerome Neanne ret = regmap_read(tps->regmap, TPS65219_REG_STBY_1_CONFIG, &value);
164c12ac5fcSJerome Neanne if (ret) {
165c12ac5fcSJerome Neanne dev_dbg(tps->dev, "%s failed for regulator %s: %d ",
166c12ac5fcSJerome Neanne __func__, dev->desc->name, ret);
167c12ac5fcSJerome Neanne return ret;
168c12ac5fcSJerome Neanne }
169c12ac5fcSJerome Neanne value = (value & BIT(rid)) >> rid;
170c12ac5fcSJerome Neanne if (value)
171c12ac5fcSJerome Neanne return REGULATOR_MODE_STANDBY;
172c12ac5fcSJerome Neanne else
173c12ac5fcSJerome Neanne return REGULATOR_MODE_NORMAL;
174c12ac5fcSJerome Neanne }
175c12ac5fcSJerome Neanne
176c12ac5fcSJerome Neanne /* Operations permitted on BUCK1/2/3 */
177c12ac5fcSJerome Neanne static const struct regulator_ops tps65219_bucks_ops = {
178c12ac5fcSJerome Neanne .is_enabled = regulator_is_enabled_regmap,
179c12ac5fcSJerome Neanne .enable = regulator_enable_regmap,
180c12ac5fcSJerome Neanne .disable = regulator_disable_regmap,
181c12ac5fcSJerome Neanne .set_mode = tps65219_set_mode,
182c12ac5fcSJerome Neanne .get_mode = tps65219_get_mode,
183c12ac5fcSJerome Neanne .get_voltage_sel = regulator_get_voltage_sel_regmap,
184c12ac5fcSJerome Neanne .set_voltage_sel = regulator_set_voltage_sel_regmap,
185c12ac5fcSJerome Neanne .list_voltage = regulator_list_voltage_linear_range,
186c12ac5fcSJerome Neanne .map_voltage = regulator_map_voltage_linear_range,
187c12ac5fcSJerome Neanne .set_voltage_time_sel = regulator_set_voltage_time_sel,
188c12ac5fcSJerome Neanne
189c12ac5fcSJerome Neanne };
190c12ac5fcSJerome Neanne
191c12ac5fcSJerome Neanne /* Operations permitted on LDO1/2 */
192c12ac5fcSJerome Neanne static const struct regulator_ops tps65219_ldos_1_2_ops = {
193c12ac5fcSJerome Neanne .is_enabled = regulator_is_enabled_regmap,
194c12ac5fcSJerome Neanne .enable = regulator_enable_regmap,
195c12ac5fcSJerome Neanne .disable = regulator_disable_regmap,
196c12ac5fcSJerome Neanne .set_mode = tps65219_set_mode,
197c12ac5fcSJerome Neanne .get_mode = tps65219_get_mode,
198c12ac5fcSJerome Neanne .get_voltage_sel = regulator_get_voltage_sel_regmap,
199c12ac5fcSJerome Neanne .set_voltage_sel = regulator_set_voltage_sel_regmap,
200c12ac5fcSJerome Neanne .list_voltage = regulator_list_voltage_linear_range,
201c12ac5fcSJerome Neanne .map_voltage = regulator_map_voltage_linear_range,
2020365df81SJerome Neanne .set_bypass = regulator_set_bypass_regmap,
203c12ac5fcSJerome Neanne .get_bypass = regulator_get_bypass_regmap,
204c12ac5fcSJerome Neanne };
205c12ac5fcSJerome Neanne
206c12ac5fcSJerome Neanne /* Operations permitted on LDO3/4 */
207c12ac5fcSJerome Neanne static const struct regulator_ops tps65219_ldos_3_4_ops = {
208c12ac5fcSJerome Neanne .is_enabled = regulator_is_enabled_regmap,
209c12ac5fcSJerome Neanne .enable = regulator_enable_regmap,
210c12ac5fcSJerome Neanne .disable = regulator_disable_regmap,
211c12ac5fcSJerome Neanne .set_mode = tps65219_set_mode,
212c12ac5fcSJerome Neanne .get_mode = tps65219_get_mode,
213c12ac5fcSJerome Neanne .get_voltage_sel = regulator_get_voltage_sel_regmap,
214c12ac5fcSJerome Neanne .set_voltage_sel = regulator_set_voltage_sel_regmap,
215c12ac5fcSJerome Neanne .list_voltage = regulator_list_voltage_linear_range,
216c12ac5fcSJerome Neanne .map_voltage = regulator_map_voltage_linear_range,
217c12ac5fcSJerome Neanne };
218c12ac5fcSJerome Neanne
219c12ac5fcSJerome Neanne static const struct regulator_desc regulators[] = {
220c12ac5fcSJerome Neanne TPS65219_REGULATOR("BUCK1", "buck1", TPS65219_BUCK_1,
221c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_bucks_ops, 64,
222c12ac5fcSJerome Neanne TPS65219_REG_BUCK1_VOUT,
223c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK,
224c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL,
225c12ac5fcSJerome Neanne TPS65219_ENABLE_BUCK1_EN_MASK, 0, 0, bucks_ranges,
226c12ac5fcSJerome Neanne 3, 4000, 0, NULL, 0, 0),
227c12ac5fcSJerome Neanne TPS65219_REGULATOR("BUCK2", "buck2", TPS65219_BUCK_2,
228c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_bucks_ops, 64,
229c12ac5fcSJerome Neanne TPS65219_REG_BUCK2_VOUT,
230c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK,
231c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL,
232c12ac5fcSJerome Neanne TPS65219_ENABLE_BUCK2_EN_MASK, 0, 0, bucks_ranges,
233c12ac5fcSJerome Neanne 3, 4000, 0, NULL, 0, 0),
234c12ac5fcSJerome Neanne TPS65219_REGULATOR("BUCK3", "buck3", TPS65219_BUCK_3,
235c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_bucks_ops, 64,
236c12ac5fcSJerome Neanne TPS65219_REG_BUCK3_VOUT,
237c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK,
238c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL,
239c12ac5fcSJerome Neanne TPS65219_ENABLE_BUCK3_EN_MASK, 0, 0, bucks_ranges,
240c12ac5fcSJerome Neanne 3, 0, 0, NULL, 0, 0),
241c12ac5fcSJerome Neanne TPS65219_REGULATOR("LDO1", "ldo1", TPS65219_LDO_1,
242c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_ldos_1_2_ops, 64,
243c12ac5fcSJerome Neanne TPS65219_REG_LDO1_VOUT,
244c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK,
245c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL,
246c12ac5fcSJerome Neanne TPS65219_ENABLE_LDO1_EN_MASK, 0, 0, ldos_1_2_ranges,
247c12ac5fcSJerome Neanne 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK),
248c12ac5fcSJerome Neanne TPS65219_REGULATOR("LDO2", "ldo2", TPS65219_LDO_2,
249c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_ldos_1_2_ops, 64,
250c12ac5fcSJerome Neanne TPS65219_REG_LDO2_VOUT,
251c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK,
252c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL,
253c12ac5fcSJerome Neanne TPS65219_ENABLE_LDO2_EN_MASK, 0, 0, ldos_1_2_ranges,
254c12ac5fcSJerome Neanne 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK),
255c12ac5fcSJerome Neanne TPS65219_REGULATOR("LDO3", "ldo3", TPS65219_LDO_3,
256c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64,
257c12ac5fcSJerome Neanne TPS65219_REG_LDO3_VOUT,
258c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK,
259c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL,
260c12ac5fcSJerome Neanne TPS65219_ENABLE_LDO3_EN_MASK, 0, 0, ldos_3_4_ranges,
261c12ac5fcSJerome Neanne 3, 0, 0, NULL, 0, 0),
262c12ac5fcSJerome Neanne TPS65219_REGULATOR("LDO4", "ldo4", TPS65219_LDO_4,
263c12ac5fcSJerome Neanne REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64,
264c12ac5fcSJerome Neanne TPS65219_REG_LDO4_VOUT,
265c12ac5fcSJerome Neanne TPS65219_BUCKS_LDOS_VOUT_VSET_MASK,
266c12ac5fcSJerome Neanne TPS65219_REG_ENABLE_CTRL,
267c12ac5fcSJerome Neanne TPS65219_ENABLE_LDO4_EN_MASK, 0, 0, ldos_3_4_ranges,
268c12ac5fcSJerome Neanne 3, 0, 0, NULL, 0, 0),
269c12ac5fcSJerome Neanne };
270c12ac5fcSJerome Neanne
tps65219_regulator_irq_handler(int irq,void * data)271c12ac5fcSJerome Neanne static irqreturn_t tps65219_regulator_irq_handler(int irq, void *data)
272c12ac5fcSJerome Neanne {
273c12ac5fcSJerome Neanne struct tps65219_regulator_irq_data *irq_data = data;
274c12ac5fcSJerome Neanne
275c12ac5fcSJerome Neanne if (irq_data->type->event_name[0] == '\0') {
276c12ac5fcSJerome Neanne /* This is the timeout interrupt no specific regulator */
277c12ac5fcSJerome Neanne dev_err(irq_data->dev,
278c12ac5fcSJerome Neanne "System was put in shutdown due to timeout during an active or standby transition.\n");
279c12ac5fcSJerome Neanne return IRQ_HANDLED;
280c12ac5fcSJerome Neanne }
281c12ac5fcSJerome Neanne
282c12ac5fcSJerome Neanne regulator_notifier_call_chain(irq_data->rdev,
283c12ac5fcSJerome Neanne irq_data->type->event, NULL);
284c12ac5fcSJerome Neanne
285c12ac5fcSJerome Neanne dev_err(irq_data->dev, "Error IRQ trap %s for %s\n",
286c12ac5fcSJerome Neanne irq_data->type->event_name, irq_data->type->regulator_name);
287c12ac5fcSJerome Neanne return IRQ_HANDLED;
288c12ac5fcSJerome Neanne }
289c12ac5fcSJerome Neanne
tps65219_get_rdev_by_name(const char * regulator_name,struct regulator_dev * rdevtbl[7],struct regulator_dev ** dev)290c12ac5fcSJerome Neanne static int tps65219_get_rdev_by_name(const char *regulator_name,
291c12ac5fcSJerome Neanne struct regulator_dev *rdevtbl[7],
292f050e56dSKrzysztof Kozlowski struct regulator_dev **dev)
293c12ac5fcSJerome Neanne {
294c12ac5fcSJerome Neanne int i;
295c12ac5fcSJerome Neanne
296c12ac5fcSJerome Neanne for (i = 0; i < ARRAY_SIZE(regulators); i++) {
297c12ac5fcSJerome Neanne if (strcmp(regulator_name, regulators[i].name) == 0) {
298f050e56dSKrzysztof Kozlowski *dev = rdevtbl[i];
299c12ac5fcSJerome Neanne return 0;
300c12ac5fcSJerome Neanne }
301c12ac5fcSJerome Neanne }
302c12ac5fcSJerome Neanne return -EINVAL;
303c12ac5fcSJerome Neanne }
304c12ac5fcSJerome Neanne
tps65219_regulator_probe(struct platform_device * pdev)305c12ac5fcSJerome Neanne static int tps65219_regulator_probe(struct platform_device *pdev)
306c12ac5fcSJerome Neanne {
307c12ac5fcSJerome Neanne struct tps65219 *tps = dev_get_drvdata(pdev->dev.parent);
308c12ac5fcSJerome Neanne struct regulator_dev *rdev;
309c12ac5fcSJerome Neanne struct regulator_config config = { };
310c12ac5fcSJerome Neanne int i;
311c12ac5fcSJerome Neanne int error;
312c12ac5fcSJerome Neanne int irq;
313c12ac5fcSJerome Neanne struct tps65219_regulator_irq_data *irq_data;
314c12ac5fcSJerome Neanne struct tps65219_regulator_irq_type *irq_type;
315c12ac5fcSJerome Neanne struct regulator_dev *rdevtbl[7];
316c12ac5fcSJerome Neanne
317c12ac5fcSJerome Neanne config.dev = tps->dev;
318c12ac5fcSJerome Neanne config.driver_data = tps;
319c12ac5fcSJerome Neanne config.regmap = tps->regmap;
320c12ac5fcSJerome Neanne
321c12ac5fcSJerome Neanne for (i = 0; i < ARRAY_SIZE(regulators); i++) {
322c12ac5fcSJerome Neanne dev_dbg(tps->dev, "%s regul i= %d START", __func__, i);
323c12ac5fcSJerome Neanne rdev = devm_regulator_register(&pdev->dev, ®ulators[i],
324c12ac5fcSJerome Neanne &config);
325c12ac5fcSJerome Neanne if (IS_ERR(rdev)) {
326c12ac5fcSJerome Neanne dev_err(tps->dev, "failed to register %s regulator\n",
327cfbe9dfdSWadim Egorov regulators[i].name);
328c12ac5fcSJerome Neanne return PTR_ERR(rdev);
329c12ac5fcSJerome Neanne }
330c12ac5fcSJerome Neanne rdevtbl[i] = rdev;
331c12ac5fcSJerome Neanne dev_dbg(tps->dev, "%s regul i= %d COMPLETED", __func__, i);
332c12ac5fcSJerome Neanne }
333c12ac5fcSJerome Neanne
334c12ac5fcSJerome Neanne irq_data = devm_kmalloc(tps->dev,
335c12ac5fcSJerome Neanne ARRAY_SIZE(tps65219_regulator_irq_types) *
336c12ac5fcSJerome Neanne sizeof(struct tps65219_regulator_irq_data),
337c12ac5fcSJerome Neanne GFP_KERNEL);
338c12ac5fcSJerome Neanne if (!irq_data)
339c12ac5fcSJerome Neanne return -ENOMEM;
340c12ac5fcSJerome Neanne
341c12ac5fcSJerome Neanne for (i = 0; i < ARRAY_SIZE(tps65219_regulator_irq_types); ++i) {
342c12ac5fcSJerome Neanne irq_type = &tps65219_regulator_irq_types[i];
343c12ac5fcSJerome Neanne
344c12ac5fcSJerome Neanne irq = platform_get_irq_byname(pdev, irq_type->irq_name);
345d46f7372SYang Li if (irq < 0)
346c12ac5fcSJerome Neanne return -EINVAL;
347d46f7372SYang Li
348c12ac5fcSJerome Neanne irq_data[i].dev = tps->dev;
349c12ac5fcSJerome Neanne irq_data[i].type = irq_type;
350c12ac5fcSJerome Neanne
351f050e56dSKrzysztof Kozlowski tps65219_get_rdev_by_name(irq_type->regulator_name, rdevtbl, &rdev);
3522bbba115SRandy Dunlap if (IS_ERR(rdev)) {
353c12ac5fcSJerome Neanne dev_err(tps->dev, "Failed to get rdev for %s\n",
354c12ac5fcSJerome Neanne irq_type->regulator_name);
355c12ac5fcSJerome Neanne return -EINVAL;
356c12ac5fcSJerome Neanne }
357c12ac5fcSJerome Neanne irq_data[i].rdev = rdev;
358c12ac5fcSJerome Neanne
359c12ac5fcSJerome Neanne error = devm_request_threaded_irq(tps->dev, irq, NULL,
360c12ac5fcSJerome Neanne tps65219_regulator_irq_handler,
361c12ac5fcSJerome Neanne IRQF_ONESHOT,
362c12ac5fcSJerome Neanne irq_type->irq_name,
363c12ac5fcSJerome Neanne &irq_data[i]);
364c12ac5fcSJerome Neanne if (error) {
365c12ac5fcSJerome Neanne dev_err(tps->dev, "failed to request %s IRQ %d: %d\n",
366c12ac5fcSJerome Neanne irq_type->irq_name, irq, error);
367c12ac5fcSJerome Neanne return error;
368c12ac5fcSJerome Neanne }
369c12ac5fcSJerome Neanne }
370c12ac5fcSJerome Neanne
371c12ac5fcSJerome Neanne return 0;
372c12ac5fcSJerome Neanne }
373c12ac5fcSJerome Neanne
374c12ac5fcSJerome Neanne static const struct platform_device_id tps65219_regulator_id_table[] = {
375c12ac5fcSJerome Neanne { "tps65219-regulator", },
376c12ac5fcSJerome Neanne { /* sentinel */ }
377c12ac5fcSJerome Neanne };
378c12ac5fcSJerome Neanne MODULE_DEVICE_TABLE(platform, tps65219_regulator_id_table);
379c12ac5fcSJerome Neanne
380c12ac5fcSJerome Neanne static struct platform_driver tps65219_regulator_driver = {
381c12ac5fcSJerome Neanne .driver = {
382c12ac5fcSJerome Neanne .name = "tps65219-pmic",
38341cff178SDouglas Anderson .probe_type = PROBE_PREFER_ASYNCHRONOUS,
384c12ac5fcSJerome Neanne },
385c12ac5fcSJerome Neanne .probe = tps65219_regulator_probe,
386c12ac5fcSJerome Neanne .id_table = tps65219_regulator_id_table,
387c12ac5fcSJerome Neanne };
388c12ac5fcSJerome Neanne
389c12ac5fcSJerome Neanne module_platform_driver(tps65219_regulator_driver);
390c12ac5fcSJerome Neanne
391c12ac5fcSJerome Neanne MODULE_AUTHOR("Jerome Neanne <j-neanne@baylibre.com>");
392c12ac5fcSJerome Neanne MODULE_DESCRIPTION("TPS65219 voltage regulator driver");
393c12ac5fcSJerome Neanne MODULE_ALIAS("platform:tps65219-pmic");
394c12ac5fcSJerome Neanne MODULE_LICENSE("GPL");
395