| Andrew F. Davis | 796f569 | 2016-01-25 09:43:45 -0600 | [diff] [blame] | 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 | }; |
| 30 | |
| 31 | static int tps65912_i2c_probe(struct i2c_client *client, |
| 32 | const struct i2c_device_id *ids) |
| 33 | { |
| 34 | struct tps65912 *tps; |
| 35 | |
| 36 | tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL); |
| 37 | if (!tps) |
| 38 | return -ENOMEM; |
| 39 | |
| 40 | i2c_set_clientdata(client, tps); |
| 41 | tps->dev = &client->dev; |
| 42 | tps->irq = client->irq; |
| 43 | |
| 44 | tps->regmap = devm_regmap_init_i2c(client, &tps65912_regmap_config); |
| 45 | if (IS_ERR(tps->regmap)) { |
| 46 | dev_err(tps->dev, "Failed to initialize register map\n"); |
| 47 | return PTR_ERR(tps->regmap); |
| 48 | } |
| 49 | |
| 50 | return tps65912_device_init(tps); |
| 51 | } |
| 52 | |
| 53 | static int tps65912_i2c_remove(struct i2c_client *client) |
| 54 | { |
| 55 | struct tps65912 *tps = i2c_get_clientdata(client); |
| 56 | |
| 57 | return tps65912_device_exit(tps); |
| 58 | } |
| 59 | |
| 60 | static const struct i2c_device_id tps65912_i2c_id_table[] = { |
| 61 | { "tps65912", 0 }, |
| 62 | { /* sentinel */ } |
| 63 | }; |
| 64 | MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id_table); |
| 65 | |
| 66 | static struct i2c_driver tps65912_i2c_driver = { |
| 67 | .driver = { |
| 68 | .name = "tps65912", |
| 69 | .of_match_table = tps65912_i2c_of_match_table, |
| 70 | }, |
| 71 | .probe = tps65912_i2c_probe, |
| 72 | .remove = tps65912_i2c_remove, |
| 73 | .id_table = tps65912_i2c_id_table, |
| 74 | }; |
| 75 | module_i2c_driver(tps65912_i2c_driver); |
| 76 | |
| 77 | MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>"); |
| 78 | MODULE_DESCRIPTION("TPS65912x I2C Interface Driver"); |
| 79 | MODULE_LICENSE("GPL v2"); |