1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // CS530x CODEC driver 4 // 5 // Copyright (C) 2024-2025 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,cs4282", 18 .data = (void *)CS4282, 19 }, { 20 .compatible = "cirrus,cs4302", 21 .data = (void *)CS4302, 22 }, { 23 .compatible = "cirrus,cs4304", 24 .data = (void *)CS4304, 25 }, { 26 .compatible = "cirrus,cs4308", 27 .data = (void *)CS4308, 28 }, { 29 .compatible = "cirrus,cs5302", 30 .data = (void *)CS5302, 31 }, { 32 .compatible = "cirrus,cs5304", 33 .data = (void *)CS5304, 34 }, { 35 .compatible = "cirrus,cs5308", 36 .data = (void *)CS5308, 37 }, 38 {} 39 }; 40 MODULE_DEVICE_TABLE(of, cs530x_of_match); 41 42 static const struct i2c_device_id cs530x_i2c_id[] = { 43 { "cs4282", CS4282 }, 44 { "cs4302", CS4302 }, 45 { "cs4304", CS4304 }, 46 { "cs4308", CS4308 }, 47 { "cs5302", CS5302 }, 48 { "cs5304", CS5304 }, 49 { "cs5308", CS5308 }, 50 { } 51 }; 52 MODULE_DEVICE_TABLE(i2c, cs530x_i2c_id); 53 54 static int cs530x_i2c_probe(struct i2c_client *client) 55 { 56 struct cs530x_priv *cs530x; 57 58 cs530x = devm_kzalloc(&client->dev, sizeof(*cs530x), GFP_KERNEL); 59 if (!cs530x) 60 return -ENOMEM; 61 62 i2c_set_clientdata(client, cs530x); 63 64 cs530x->regmap = devm_regmap_init_i2c(client, &cs530x_regmap_i2c); 65 if (IS_ERR(cs530x->regmap)) 66 return dev_err_probe(&client->dev, PTR_ERR(cs530x->regmap), 67 "Failed to allocate register map\n"); 68 69 cs530x->devtype = (uintptr_t)i2c_get_match_data(client); 70 cs530x->dev = &client->dev; 71 72 return cs530x_probe(cs530x); 73 } 74 75 static struct i2c_driver cs530x_i2c_driver = { 76 .driver = { 77 .name = "cs530x", 78 .of_match_table = cs530x_of_match, 79 }, 80 .probe = cs530x_i2c_probe, 81 .id_table = cs530x_i2c_id, 82 }; 83 module_i2c_driver(cs530x_i2c_driver); 84 85 MODULE_DESCRIPTION("I2C CS530X driver"); 86 MODULE_IMPORT_NS("SND_SOC_CS530X"); 87 MODULE_AUTHOR("Paul Handrigan, Cirrus Logic Inc, <paulha@opensource.cirrus.com>"); 88 MODULE_LICENSE("GPL"); 89