1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * SSM2602/SSM2603/SSM2604 I2C audio driver 4 * 5 * Copyright 2014 Analog Devices Inc. 6 */ 7 8 #include <linux/module.h> 9 #include <linux/i2c.h> 10 #include <linux/regmap.h> 11 12 #include <sound/soc.h> 13 14 #include "ssm2602.h" 15 16 static const struct i2c_device_id ssm2602_i2c_id[]; 17 18 /* 19 * ssm2602 2 wire address is determined by GPIO5 20 * state during powerup. 21 * low = 0x1a 22 * high = 0x1b 23 */ 24 static int ssm2602_i2c_probe(struct i2c_client *client) 25 { 26 const struct i2c_device_id *id = i2c_match_id(ssm2602_i2c_id, client); 27 return ssm2602_probe(&client->dev, id->driver_data, 28 devm_regmap_init_i2c(client, &ssm2602_regmap_config)); 29 } 30 31 static const struct i2c_device_id ssm2602_i2c_id[] = { 32 { "ssm2602", SSM2602 }, 33 { "ssm2603", SSM2602 }, 34 { "ssm2604", SSM2604 }, 35 { } 36 }; 37 MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id); 38 39 static const struct of_device_id ssm2602_of_match[] = { 40 { .compatible = "adi,ssm2602", }, 41 { .compatible = "adi,ssm2603", }, 42 { .compatible = "adi,ssm2604", }, 43 { } 44 }; 45 MODULE_DEVICE_TABLE(of, ssm2602_of_match); 46 47 static struct i2c_driver ssm2602_i2c_driver = { 48 .driver = { 49 .name = "ssm2602", 50 .of_match_table = ssm2602_of_match, 51 }, 52 .probe_new = ssm2602_i2c_probe, 53 .id_table = ssm2602_i2c_id, 54 }; 55 module_i2c_driver(ssm2602_i2c_driver); 56 57 MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver"); 58 MODULE_AUTHOR("Cliff Cai"); 59 MODULE_LICENSE("GPL"); 60