projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 796f5692 AD |
1 | /* |
| 2 | * I2C access 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/i2c.h> | |
| 21 | #include <linux/module.h> | |
| 22 | #include <linux/regmap.h> | |
| 23 | ||
| 24 | #include <linux/mfd/tps65912.h> | |
| 25 | ||
| 26 | static const struct of_device_id tps65912_i2c_of_match_table[] = { | |
| 27 | { .compatible = "ti,tps65912", }, | |
| 28 | { /* sentinel */ } | |
| 29 | }; | |
| f8b03805 | 30 | MODULE_DEVICE_TABLE(of, tps65912_i2c_of_match_table); |
| 796f5692 AD |
31 | |
| 32 | static int tps65912_i2c_probe(struct i2c_client *client, | |
| 33 | const struct i2c_device_id *ids) | |
| 34 | { | |
| 35 | struct tps65912 *tps; | |
| 36 | ||
| 37 | tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL); | |
| 38 | if (!tps) | |
| 39 | return -ENOMEM; | |
| 40 | ||
| 41 | i2c_set_clientdata(client, tps); | |
| 42 | tps->dev = &client->dev; | |
| 43 | tps->irq = client->irq; | |
| 44 | ||
| 45 | tps->regmap = devm_regmap_init_i2c(client, &tps65912_regmap_config); | |
| 46 | if (IS_ERR(tps->regmap)) { | |
| 47 | dev_err(tps->dev, "Failed to initialize register map\n"); | |
| 48 | return PTR_ERR(tps->regmap); | |
| 49 | } | |
| 50 | ||
| 51 | return tps65912_device_init(tps); | |
| 52 | } | |
| 53 | ||
| 54 | static int tps65912_i2c_remove(struct i2c_client *client) | |
| 55 | { | |
| 56 | struct tps65912 *tps = i2c_get_clientdata(client); | |
| 57 | ||
| 58 | return tps65912_device_exit(tps); | |
| 59 | } | |
| 60 | ||
| 61 | static const struct i2c_device_id tps65912_i2c_id_table[] = { | |
| 62 | { "tps65912", 0 }, | |
| 63 | { /* sentinel */ } | |
| 64 | }; | |
| 65 | MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id_table); | |
| 66 | ||
| 67 | static struct i2c_driver tps65912_i2c_driver = { | |
| 68 | .driver = { | |
| 69 | .name = "tps65912", | |
| 70 | .of_match_table = tps65912_i2c_of_match_table, | |
| 71 | }, | |
| 72 | .probe = tps65912_i2c_probe, | |
| 73 | .remove = tps65912_i2c_remove, | |
| 74 | .id_table = tps65912_i2c_id_table, | |
| 75 | }; | |
| 76 | module_i2c_driver(tps65912_i2c_driver); | |
| 77 | ||
| 78 | MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>"); | |
| 79 | MODULE_DESCRIPTION("TPS65912x I2C Interface Driver"); | |
| 80 | MODULE_LICENSE("GPL v2"); |