1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * I2C access driver for TI TPS65912x PMICs 4 * 5 * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/ 6 * Andrew F. Davis <afd@ti.com> 7 * 8 * Based on the TPS65218 driver and the previous TPS65912 driver by 9 * Margarita Olaya Cabrera <magi@slimlogic.co.uk> 10 */ 11 12 #include <linux/i2c.h> 13 #include <linux/module.h> 14 #include <linux/regmap.h> 15 16 #include <linux/mfd/tps65912.h> 17 18 static const struct of_device_id tps65912_i2c_of_match_table[] = { 19 { .compatible = "ti,tps65912", }, 20 { /* sentinel */ } 21 }; 22 MODULE_DEVICE_TABLE(of, tps65912_i2c_of_match_table); 23 24 static int tps65912_i2c_probe(struct i2c_client *client, 25 const struct i2c_device_id *ids) 26 { 27 struct tps65912 *tps; 28 29 tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL); 30 if (!tps) 31 return -ENOMEM; 32 33 i2c_set_clientdata(client, tps); 34 tps->dev = &client->dev; 35 tps->irq = client->irq; 36 37 tps->regmap = devm_regmap_init_i2c(client, &tps65912_regmap_config); 38 if (IS_ERR(tps->regmap)) { 39 dev_err(tps->dev, "Failed to initialize register map\n"); 40 return PTR_ERR(tps->regmap); 41 } 42 43 return tps65912_device_init(tps); 44 } 45 46 static int tps65912_i2c_remove(struct i2c_client *client) 47 { 48 struct tps65912 *tps = i2c_get_clientdata(client); 49 50 tps65912_device_exit(tps); 51 52 return 0; 53 } 54 55 static const struct i2c_device_id tps65912_i2c_id_table[] = { 56 { "tps65912", 0 }, 57 { /* sentinel */ } 58 }; 59 MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id_table); 60 61 static struct i2c_driver tps65912_i2c_driver = { 62 .driver = { 63 .name = "tps65912", 64 .of_match_table = tps65912_i2c_of_match_table, 65 }, 66 .probe = tps65912_i2c_probe, 67 .remove = tps65912_i2c_remove, 68 .id_table = tps65912_i2c_id_table, 69 }; 70 module_i2c_driver(tps65912_i2c_driver); 71 72 MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>"); 73 MODULE_DESCRIPTION("TPS65912x I2C Interface Driver"); 74 MODULE_LICENSE("GPL v2"); 75