regulator: palmas: Convert palmas_ops_smps to regulator_[get|set]_voltage_sel_regmap
[linux-3.10.git] / drivers / regulator / fixed-helper.c
1 #include <linux/slab.h>
2 #include <linux/string.h>
3 #include <linux/platform_device.h>
4 #include <linux/regulator/machine.h>
5 #include <linux/regulator/fixed.h>
6
7 struct fixed_regulator_data {
8         struct fixed_voltage_config cfg;
9         struct regulator_init_data init_data;
10         struct platform_device pdev;
11 };
12
13 static void regulator_fixed_release(struct device *dev)
14 {
15         struct fixed_regulator_data *data = container_of(dev,
16                         struct fixed_regulator_data, pdev.dev);
17         kfree(data->cfg.supply_name);
18         kfree(data);
19 }
20
21 /**
22  * regulator_register_fixed_name - register a no-op fixed regulator
23  * @id: platform device id
24  * @name: name to be used for the regulator
25  * @supplies: consumers for this regulator
26  * @num_supplies: number of consumers
27  * @uv: voltage in microvolts
28  */
29 struct platform_device *regulator_register_always_on(int id, const char *name,
30         struct regulator_consumer_supply *supplies, int num_supplies, int uv)
31 {
32         struct fixed_regulator_data *data;
33
34         data = kzalloc(sizeof(*data), GFP_KERNEL);
35         if (!data)
36                 return NULL;
37
38         data->cfg.supply_name = kstrdup(name, GFP_KERNEL);
39         if (!data->cfg.supply_name) {
40                 kfree(data);
41                 return NULL;
42         }
43
44         data->cfg.microvolts = uv;
45         data->cfg.gpio = -EINVAL;
46         data->cfg.enabled_at_boot = 1;
47         data->cfg.init_data = &data->init_data;
48
49         data->init_data.constraints.always_on = 1;
50         data->init_data.consumer_supplies = supplies;
51         data->init_data.num_consumer_supplies = num_supplies;
52
53         data->pdev.name = "reg-fixed-voltage";
54         data->pdev.id = id;
55         data->pdev.dev.platform_data = &data->cfg;
56         data->pdev.dev.release = regulator_fixed_release;
57
58         platform_device_register(&data->pdev);
59
60         return &data->pdev;
61 }