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 static const struct i2c_device_id aic32x4_i2c_id[]; 21 22 static int aic32x4_i2c_probe(struct i2c_client *i2c) 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 { 39 const struct i2c_device_id *id; 40 41 id = i2c_match_id(aic32x4_i2c_id, i2c); 42 dev_set_drvdata(&i2c->dev, (void *)id->driver_data); 43 } 44 45 return aic32x4_probe(&i2c->dev, regmap); 46 } 47 48 static void aic32x4_i2c_remove(struct i2c_client *i2c) 49 { 50 aic32x4_remove(&i2c->dev); 51 } 52 53 static const struct i2c_device_id aic32x4_i2c_id[] = { 54 { "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 }, 55 { "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 }, 56 { "tas2505", (kernel_ulong_t)AIC32X4_TYPE_TAS2505 }, 57 { /* sentinel */ } 58 }; 59 MODULE_DEVICE_TABLE(i2c, aic32x4_i2c_id); 60 61 static const struct of_device_id aic32x4_of_id[] = { 62 { .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 }, 63 { .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 }, 64 { .compatible = "ti,tas2505", .data = (void *)AIC32X4_TYPE_TAS2505 }, 65 { /* senitel */ } 66 }; 67 MODULE_DEVICE_TABLE(of, aic32x4_of_id); 68 69 static struct i2c_driver aic32x4_i2c_driver = { 70 .driver = { 71 .name = "tlv320aic32x4", 72 .of_match_table = aic32x4_of_id, 73 }, 74 .probe_new = aic32x4_i2c_probe, 75 .remove = aic32x4_i2c_remove, 76 .id_table = aic32x4_i2c_id, 77 }; 78 79 module_i2c_driver(aic32x4_i2c_driver); 80 81 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver I2C"); 82 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>"); 83 MODULE_LICENSE("GPL"); 84