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 { 17 struct regmap *regmap; 18 int ret; 19 20 regmap = devm_regmap_init_i2c(client, &pcm1789_regmap_config); 21 if (IS_ERR(regmap)) { 22 ret = PTR_ERR(regmap); 23 dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret); 24 return ret; 25 } 26 27 return pcm1789_common_init(&client->dev, regmap); 28 } 29 30 static void pcm1789_i2c_remove(struct i2c_client *client) 31 { 32 pcm1789_common_exit(&client->dev); 33 } 34 35 #ifdef CONFIG_OF 36 static const struct of_device_id pcm1789_of_match[] = { 37 { .compatible = "ti,pcm1789", }, 38 { } 39 }; 40 MODULE_DEVICE_TABLE(of, pcm1789_of_match); 41 #endif 42 43 static const struct i2c_device_id pcm1789_i2c_ids[] = { 44 { "pcm1789", 0 }, 45 { } 46 }; 47 MODULE_DEVICE_TABLE(i2c, pcm1789_i2c_ids); 48 49 static struct i2c_driver pcm1789_i2c_driver = { 50 .driver = { 51 .name = "pcm1789", 52 .of_match_table = of_match_ptr(pcm1789_of_match), 53 }, 54 .id_table = pcm1789_i2c_ids, 55 .probe = pcm1789_i2c_probe, 56 .remove = pcm1789_i2c_remove, 57 }; 58 59 module_i2c_driver(pcm1789_i2c_driver); 60 61 MODULE_DESCRIPTION("ASoC PCM1789 I2C driver"); 62 MODULE_AUTHOR("Mylène Josserand <mylene.josserand@bootlin.com>"); 63 MODULE_LICENSE("GPL"); 64