1 /* I2C access for DA9055 PMICs.
3 * Copyright(c) 2012 Dialog Semiconductor Ltd.
5 * Author: David Dajun Chen <dchen@diasemi.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
14 #include <linux/module.h>
15 #include <linux/device.h>
16 #include <linux/i2c.h>
17 #include <linux/err.h>
19 #include <linux/mfd/da9055/core.h>
21 static int da9055_i2c_probe(struct i2c_client *i2c,
22 const struct i2c_device_id *id)
24 struct da9055 *da9055;
27 da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055), GFP_KERNEL);
31 da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config);
32 if (IS_ERR(da9055->regmap)) {
33 ret = PTR_ERR(da9055->regmap);
34 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
39 da9055->dev = &i2c->dev;
40 da9055->chip_irq = i2c->irq;
42 i2c_set_clientdata(i2c, da9055);
44 return da9055_device_init(da9055);
47 static int da9055_i2c_remove(struct i2c_client *i2c)
49 struct da9055 *da9055 = i2c_get_clientdata(i2c);
51 da9055_device_exit(da9055);
56 static struct i2c_device_id da9055_i2c_id[] = {
61 static struct i2c_driver da9055_i2c_driver = {
62 .probe = da9055_i2c_probe,
63 .remove = da9055_i2c_remove,
64 .id_table = da9055_i2c_id,
71 static int __init da9055_i2c_init(void)
75 ret = i2c_add_driver(&da9055_i2c_driver);
77 pr_err("DA9055 I2C registration failed %d\n", ret);
83 subsys_initcall(da9055_i2c_init);
85 static void __exit da9055_i2c_exit(void)
87 i2c_del_driver(&da9055_i2c_driver);
89 module_exit(da9055_i2c_exit);
91 MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
92 MODULE_DESCRIPTION("I2C driver for Dialog DA9055 PMIC");
93 MODULE_LICENSE("GPL");