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 /* 17 * ssm2602 2 wire address is determined by GPIO5 18 * state during powerup. 19 * low = 0x1a 20 * high = 0x1b 21 */ 22 static int ssm2602_i2c_probe(struct i2c_client *client) 23 { 24 return ssm2602_probe(&client->dev, (uintptr_t)i2c_get_match_data(client), 25 devm_regmap_init_i2c(client, &ssm2602_regmap_config)); 26 } 27 28 static const struct i2c_device_id ssm2602_i2c_id[] = { 29 { "ssm2602", SSM2602 }, 30 { "ssm2603", SSM2602 }, 31 { "ssm2604", SSM2604 }, 32 { } 33 }; 34 MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id); 35 36 static const struct of_device_id ssm2602_of_match[] = { 37 { .compatible = "adi,ssm2602", }, 38 { .compatible = "adi,ssm2603", }, 39 { .compatible = "adi,ssm2604", }, 40 { } 41 }; 42 MODULE_DEVICE_TABLE(of, ssm2602_of_match); 43 44 static struct i2c_driver ssm2602_i2c_driver = { 45 .driver = { 46 .name = "ssm2602", 47 .of_match_table = ssm2602_of_match, 48 }, 49 .probe = ssm2602_i2c_probe, 50 .id_table = ssm2602_i2c_id, 51 }; 52 module_i2c_driver(ssm2602_i2c_driver); 53 54 MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver"); 55 MODULE_AUTHOR("Cliff Cai"); 56 MODULE_LICENSE("GPL"); 57