1 // SPDX-License-Identifier: GPL-2.0 2 // Audio driver for PCM1789 I2C 3 // Copyright (C) 2018 Bootlin 4 // Mylène Josserand <mylene.josserand@bootlin.com> 5 6 #include <linux/clk.h> 7 #include <linux/delay.h> 8 #include <linux/i2c.h> 9 #include <linux/module.h> 10 #include <linux/of.h> 11 #include <linux/regmap.h> 12 13 #include "pcm1789.h" 14 15 static int pcm1789_i2c_probe(struct i2c_client *client, 16 const struct i2c_device_id *id) 17 { 18 struct regmap *regmap; 19 int ret; 20 21 regmap = devm_regmap_init_i2c(client, &pcm1789_regmap_config); 22 if (IS_ERR(regmap)) { 23 ret = PTR_ERR(regmap); 24 dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret); 25 return ret; 26 } 27 28 return pcm1789_common_init(&client->dev, regmap); 29 } 30 31 static int pcm1789_i2c_remove(struct i2c_client *client) 32 { 33 return pcm1789_common_exit(&client->dev); 34 } 35 36 #ifdef CONFIG_OF 37 static const struct of_device_id pcm1789_of_match[] = { 38 { .compatible = "ti,pcm1789", }, 39 { } 40 }; 41 MODULE_DEVICE_TABLE(of, pcm1789_of_match); 42 #endif 43 44 static const struct i2c_device_id pcm1789_i2c_ids[] = { 45 { "pcm1789", 0 }, 46 { } 47 }; 48 MODULE_DEVICE_TABLE(i2c, pcm1789_i2c_ids); 49 50 static struct i2c_driver pcm1789_i2c_driver = { 51 .driver = { 52 .name = "pcm1789", 53 .of_match_table = of_match_ptr(pcm1789_of_match), 54 }, 55 .id_table = pcm1789_i2c_ids, 56 .probe = pcm1789_i2c_probe, 57 .remove = pcm1789_i2c_remove, 58 }; 59 60 module_i2c_driver(pcm1789_i2c_driver); 61 62 MODULE_DESCRIPTION("ASoC PCM1789 I2C driver"); 63 MODULE_AUTHOR("Mylène Josserand <mylene.josserand@bootlin.com>"); 64 MODULE_LICENSE("GPL"); 65