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 { 26 struct tps65912 *tps; 27 28 tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL); 29 if (!tps) 30 return -ENOMEM; 31 32 i2c_set_clientdata(client, tps); 33 tps->dev = &client->dev; 34 tps->irq = client->irq; 35 36 tps->regmap = devm_regmap_init_i2c(client, &tps65912_regmap_config); 37 if (IS_ERR(tps->regmap)) { 38 dev_err(tps->dev, "Failed to initialize register map\n"); 39 return PTR_ERR(tps->regmap); 40 } 41 42 return tps65912_device_init(tps); 43 } 44 45 static void tps65912_i2c_remove(struct i2c_client *client) 46 { 47 struct tps65912 *tps = i2c_get_clientdata(client); 48 49 tps65912_device_exit(tps); 50 } 51 52 static const struct i2c_device_id tps65912_i2c_id_table[] = { 53 { "tps65912", 0 }, 54 { /* sentinel */ } 55 }; 56 MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id_table); 57 58 static struct i2c_driver tps65912_i2c_driver = { 59 .driver = { 60 .name = "tps65912", 61 .of_match_table = tps65912_i2c_of_match_table, 62 }, 63 .probe = tps65912_i2c_probe, 64 .remove = tps65912_i2c_remove, 65 .id_table = tps65912_i2c_id_table, 66 }; 67 module_i2c_driver(tps65912_i2c_driver); 68 69 MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>"); 70 MODULE_DESCRIPTION("TPS65912x I2C Interface Driver"); 71 MODULE_LICENSE("GPL v2"); 72