Version:  2.0.40 2.2.26 2.4.37 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7

Linux/drivers/regulator/tps65912-regulator.c

  1 /*
  2  * Regulator driver for TI TPS65912x PMICs
  3  *
  4  * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
  5  *      Andrew F. Davis <afd@ti.com>
  6  *
  7  * This program is free software; you can redistribute it and/or
  8  * modify it under the terms of the GNU General Public License version 2 as
  9  * published by the Free Software Foundation.
 10  *
 11  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 12  * kind, whether expressed or implied; without even the implied warranty
 13  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14  * GNU General Public License version 2 for more details.
 15  *
 16  * Based on the TPS65218 driver and the previous TPS65912 driver by
 17  * Margarita Olaya Cabrera <magi@slimlogic.co.uk>
 18  */
 19 
 20 #include <linux/module.h>
 21 #include <linux/platform_device.h>
 22 #include <linux/regulator/driver.h>
 23 
 24 #include <linux/mfd/tps65912.h>
 25 
 26 enum tps65912_regulators { DCDC1, DCDC2, DCDC3, DCDC4, LDO1, LDO2, LDO3,
 27         LDO4, LDO5, LDO6, LDO7, LDO8, LDO9, LDO10 };
 28 
 29 #define TPS65912_REGULATOR(_name, _id, _of_match, _ops, _vr, _er, _lr)  \
 30         [_id] = {                                                       \
 31                 .name                   = _name,                        \
 32                 .of_match               = _of_match,                    \
 33                 .regulators_node        = "regulators",                 \
 34                 .id                     = _id,                          \
 35                 .ops                    = &_ops,                        \
 36                 .n_voltages             = 64,                           \
 37                 .type                   = REGULATOR_VOLTAGE,            \
 38                 .owner                  = THIS_MODULE,                  \
 39                 .vsel_reg               = _vr,                          \
 40                 .vsel_mask              = 0x3f,                         \
 41                 .enable_reg             = _er,                          \
 42                 .enable_mask            = BIT(7),                       \
 43                 .volt_table             = NULL,                         \
 44                 .linear_ranges          = _lr,                          \
 45                 .n_linear_ranges        = ARRAY_SIZE(_lr),              \
 46         }
 47 
 48 static const struct regulator_linear_range tps65912_dcdc_ranges[] = {
 49         REGULATOR_LINEAR_RANGE(500000, 0x0, 0x3f, 50000),
 50 };
 51 
 52 static const struct regulator_linear_range tps65912_ldo_ranges[] = {
 53         REGULATOR_LINEAR_RANGE(800000, 0x0, 0x20, 25000),
 54         REGULATOR_LINEAR_RANGE(1650000, 0x21, 0x3c, 50000),
 55         REGULATOR_LINEAR_RANGE(3100000, 0x3d, 0x3f, 100000),
 56 };
 57 
 58 /* Operations permitted on DCDCx */
 59 static struct regulator_ops tps65912_ops_dcdc = {
 60         .is_enabled             = regulator_is_enabled_regmap,
 61         .enable                 = regulator_enable_regmap,
 62         .disable                = regulator_disable_regmap,
 63         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 64         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 65         .list_voltage           = regulator_list_voltage_linear_range,
 66 };
 67 
 68 /* Operations permitted on LDOx */
 69 static struct regulator_ops tps65912_ops_ldo = {
 70         .is_enabled             = regulator_is_enabled_regmap,
 71         .enable                 = regulator_enable_regmap,
 72         .disable                = regulator_disable_regmap,
 73         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 74         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
 75         .list_voltage           = regulator_list_voltage_linear_range,
 76         .map_voltage            = regulator_map_voltage_linear_range,
 77 };
 78 
 79 static const struct regulator_desc regulators[] = {
 80         TPS65912_REGULATOR("DCDC1", DCDC1, "dcdc1", tps65912_ops_dcdc,
 81                            TPS65912_DCDC1_OP, TPS65912_DCDC1_CTRL,
 82                            tps65912_dcdc_ranges),
 83         TPS65912_REGULATOR("DCDC2", DCDC2, "dcdc2", tps65912_ops_dcdc,
 84                            TPS65912_DCDC2_OP, TPS65912_DCDC2_CTRL,
 85                            tps65912_dcdc_ranges),
 86         TPS65912_REGULATOR("DCDC3", DCDC3, "dcdc3", tps65912_ops_dcdc,
 87                            TPS65912_DCDC3_OP, TPS65912_DCDC3_CTRL,
 88                            tps65912_dcdc_ranges),
 89         TPS65912_REGULATOR("DCDC4", DCDC4, "dcdc4", tps65912_ops_dcdc,
 90                            TPS65912_DCDC4_OP, TPS65912_DCDC4_CTRL,
 91                            tps65912_dcdc_ranges),
 92         TPS65912_REGULATOR("LDO1", LDO1, "ldo1", tps65912_ops_ldo,
 93                            TPS65912_LDO1_OP, TPS65912_LDO1_AVS,
 94                            tps65912_ldo_ranges),
 95         TPS65912_REGULATOR("LDO2", LDO2, "ldo2", tps65912_ops_ldo,
 96                            TPS65912_LDO2_OP, TPS65912_LDO2_AVS,
 97                            tps65912_ldo_ranges),
 98         TPS65912_REGULATOR("LDO3", LDO3, "ldo3", tps65912_ops_ldo,
 99                            TPS65912_LDO3_OP, TPS65912_LDO3_AVS,
100                            tps65912_ldo_ranges),
101         TPS65912_REGULATOR("LDO4", LDO4, "ldo4", tps65912_ops_ldo,
102                            TPS65912_LDO4_OP, TPS65912_LDO4_AVS,
103                            tps65912_ldo_ranges),
104         TPS65912_REGULATOR("LDO5", LDO5, "ldo5", tps65912_ops_ldo,
105                            TPS65912_LDO5, TPS65912_LDO5,
106                            tps65912_ldo_ranges),
107         TPS65912_REGULATOR("LDO6", LDO6, "ldo6", tps65912_ops_ldo,
108                            TPS65912_LDO6, TPS65912_LDO6,
109                            tps65912_ldo_ranges),
110         TPS65912_REGULATOR("LDO7", LDO7, "ldo7", tps65912_ops_ldo,
111                            TPS65912_LDO7, TPS65912_LDO7,
112                            tps65912_ldo_ranges),
113         TPS65912_REGULATOR("LDO8", LDO8, "ldo8", tps65912_ops_ldo,
114                            TPS65912_LDO8, TPS65912_LDO8,
115                            tps65912_ldo_ranges),
116         TPS65912_REGULATOR("LDO9", LDO9, "ldo9", tps65912_ops_ldo,
117                            TPS65912_LDO9, TPS65912_LDO9,
118                            tps65912_ldo_ranges),
119         TPS65912_REGULATOR("LDO10", LDO10, "ldo10", tps65912_ops_ldo,
120                            TPS65912_LDO10, TPS65912_LDO10,
121                            tps65912_ldo_ranges),
122 };
123 
124 static int tps65912_regulator_probe(struct platform_device *pdev)
125 {
126         struct tps65912 *tps = dev_get_drvdata(pdev->dev.parent);
127         struct regulator_config config = { };
128         struct regulator_dev *rdev;
129         int i;
130 
131         platform_set_drvdata(pdev, tps);
132 
133         config.dev = &pdev->dev;
134         config.driver_data = tps;
135         config.dev->of_node = tps->dev->of_node;
136         config.regmap = tps->regmap;
137 
138         for (i = 0; i < ARRAY_SIZE(regulators); i++) {
139                 rdev = devm_regulator_register(&pdev->dev, &regulators[i],
140                                                &config);
141                 if (IS_ERR(rdev)) {
142                         dev_err(tps->dev, "failed to register %s regulator\n",
143                                 pdev->name);
144                         return PTR_ERR(rdev);
145                 }
146         }
147 
148         return 0;
149 }
150 
151 static const struct platform_device_id tps65912_regulator_id_table[] = {
152         { "tps65912-regulator", },
153         { /* sentinel */ }
154 };
155 MODULE_DEVICE_TABLE(platform, tps65912_regulator_id_table);
156 
157 static struct platform_driver tps65912_regulator_driver = {
158         .driver = {
159                 .name = "tps65912-regulator",
160         },
161         .probe = tps65912_regulator_probe,
162         .id_table = tps65912_regulator_id_table,
163 };
164 module_platform_driver(tps65912_regulator_driver);
165 
166 MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
167 MODULE_DESCRIPTION("TPS65912 voltage regulator driver");
168 MODULE_LICENSE("GPL v2");
169 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us