1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * Copyright 2011-2019 NW Digital Radio 4 * 5 * Author: Annaliese McDermond <nh6z@nh6z.net> 6 * 7 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27. 8 * 9 */ 10 11 #include <linux/i2c.h> 12 #include <linux/module.h> 13 #include <linux/of.h> 14 #include <linux/regmap.h> 15 #include <sound/soc.h> 16 17 #include "tlv320aic32x4.h" 18 19 static const struct of_device_id aic32x4_of_id[]; 20 21 static int aic32x4_i2c_probe(struct i2c_client *i2c, 22 const struct i2c_device_id *id) 23 { 24 struct regmap *regmap; 25 struct regmap_config config; 26 27 config = aic32x4_regmap_config; 28 config.reg_bits = 8; 29 config.val_bits = 8; 30 31 regmap = devm_regmap_init_i2c(i2c, &config); 32 33 if (i2c->dev.of_node) { 34 const struct of_device_id *oid; 35 36 oid = of_match_node(aic32x4_of_id, i2c->dev.of_node); 37 dev_set_drvdata(&i2c->dev, (void *)oid->data); 38 } else if (id) { 39 dev_set_drvdata(&i2c->dev, (void *)id->driver_data); 40 } 41 42 return aic32x4_probe(&i2c->dev, regmap); 43 } 44 45 static int aic32x4_i2c_remove(struct i2c_client *i2c) 46 { 47 return aic32x4_remove(&i2c->dev); 48 } 49 50 static const struct i2c_device_id aic32x4_i2c_id[] = { 51 { "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 }, 52 { "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 }, 53 { "tas2505", (kernel_ulong_t)AIC32X4_TYPE_TAS2505 }, 54 { /* sentinel */ } 55 }; 56 MODULE_DEVICE_TABLE(i2c, aic32x4_i2c_id); 57 58 static const struct of_device_id aic32x4_of_id[] = { 59 { .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 }, 60 { .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 }, 61 { .compatible = "ti,tas2505", .data = (void *)AIC32X4_TYPE_TAS2505 }, 62 { /* senitel */ } 63 }; 64 MODULE_DEVICE_TABLE(of, aic32x4_of_id); 65 66 static struct i2c_driver aic32x4_i2c_driver = { 67 .driver = { 68 .name = "tlv320aic32x4", 69 .of_match_table = aic32x4_of_id, 70 }, 71 .probe = aic32x4_i2c_probe, 72 .remove = aic32x4_i2c_remove, 73 .id_table = aic32x4_i2c_id, 74 }; 75 76 module_i2c_driver(aic32x4_i2c_driver); 77 78 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver I2C"); 79 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>"); 80 MODULE_LICENSE("GPL"); 81