1 /* 2 * PCM179X ASoC I2C driver 3 * 4 * Copyright (c) Teenage Engineering AB 2016 5 * 6 * Jacob Siverskog <jacob@teenage.engineering> 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License 10 * as published by the Free Software Foundation; either version 2 11 * of the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 */ 18 19 #include <linux/module.h> 20 #include <linux/of.h> 21 #include <linux/i2c.h> 22 #include <linux/regmap.h> 23 24 #include "pcm179x.h" 25 26 static int pcm179x_i2c_probe(struct i2c_client *client, 27 const struct i2c_device_id *id) 28 { 29 struct regmap *regmap; 30 int ret; 31 32 regmap = devm_regmap_init_i2c(client, &pcm179x_regmap_config); 33 if (IS_ERR(regmap)) { 34 ret = PTR_ERR(regmap); 35 dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret); 36 return ret; 37 } 38 39 return pcm179x_common_init(&client->dev, regmap); 40 } 41 42 static int pcm179x_i2c_remove(struct i2c_client *client) 43 { 44 return pcm179x_common_exit(&client->dev); 45 } 46 47 static const struct of_device_id pcm179x_of_match[] = { 48 { .compatible = "ti,pcm1792a", }, 49 { } 50 }; 51 MODULE_DEVICE_TABLE(of, pcm179x_of_match); 52 53 static const struct i2c_device_id pcm179x_i2c_ids[] = { 54 { "pcm179x", 0 }, 55 { } 56 }; 57 MODULE_DEVICE_TABLE(i2c, pcm179x_i2c_ids); 58 59 static struct i2c_driver pcm179x_i2c_driver = { 60 .driver = { 61 .name = "pcm179x", 62 .of_match_table = of_match_ptr(pcm179x_of_match), 63 }, 64 .id_table = pcm179x_i2c_ids, 65 .probe = pcm179x_i2c_probe, 66 .remove = pcm179x_i2c_remove, 67 }; 68 69 module_i2c_driver(pcm179x_i2c_driver); 70 71 MODULE_DESCRIPTION("ASoC PCM179X I2C driver"); 72 MODULE_AUTHOR("Jacob Siverskog <jacob@teenage.engineering>"); 73 MODULE_LICENSE("GPL"); 74