1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // CS530x CODEC driver 4 // 5 // Copyright (C) 2024 Cirrus Logic, Inc. and 6 // Cirrus Logic International Semiconductor Ltd. 7 8 #include <linux/device.h> 9 #include <linux/module.h> 10 #include <linux/i2c.h> 11 #include <linux/regmap.h> 12 13 #include "cs530x.h" 14 15 static const struct of_device_id cs530x_of_match[] = { 16 { 17 .compatible = "cirrus,cs5302", 18 .data = (void *)CS5302, 19 }, { 20 .compatible = "cirrus,cs5304", 21 .data = (void *)CS5304, 22 }, { 23 .compatible = "cirrus,cs5308", 24 .data = (void *)CS5308, 25 }, 26 {} 27 }; 28 MODULE_DEVICE_TABLE(of, cs530x_of_match); 29 30 static const struct i2c_device_id cs530x_i2c_id[] = { 31 { "cs5302", CS5302 }, 32 { "cs5304", CS5304 }, 33 { "cs5308", CS5308 }, 34 { } 35 }; 36 MODULE_DEVICE_TABLE(i2c, cs530x_i2c_id); 37 38 static int cs530x_i2c_probe(struct i2c_client *client) 39 { 40 struct cs530x_priv *cs530x; 41 42 cs530x = devm_kzalloc(&client->dev, sizeof(*cs530x), GFP_KERNEL); 43 if (!cs530x) 44 return -ENOMEM; 45 46 i2c_set_clientdata(client, cs530x); 47 48 cs530x->regmap = devm_regmap_init_i2c(client, &cs530x_regmap); 49 if (IS_ERR(cs530x->regmap)) 50 return dev_err_probe(&client->dev, PTR_ERR(cs530x->regmap), 51 "Failed to allocate register map\n"); 52 53 cs530x->devtype = (uintptr_t)i2c_get_match_data(client); 54 cs530x->dev = &client->dev; 55 56 return cs530x_probe(cs530x); 57 } 58 59 static struct i2c_driver cs530x_i2c_driver = { 60 .driver = { 61 .name = "cs530x", 62 .of_match_table = cs530x_of_match, 63 }, 64 .probe = cs530x_i2c_probe, 65 .id_table = cs530x_i2c_id, 66 }; 67 module_i2c_driver(cs530x_i2c_driver); 68 69 MODULE_DESCRIPTION("I2C CS530X driver"); 70 MODULE_IMPORT_NS(SND_SOC_CS530X); 71 MODULE_AUTHOR("Paul Handrigan, Cirrus Logic Inc, <paulha@opensource.cirrus.com>"); 72 MODULE_LICENSE("GPL"); 73