1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * ALSA SoC TLV320AIC3x codec driver SPI interface 4 * 5 * Author: Arun KS, <arunks@mistralsolutions.com> 6 * Copyright: (C) 2008 Mistral Solutions Pvt Ltd., 7 * 8 * Based on sound/soc/codecs/wm8731.c by Richard Purdie 9 * 10 */ 11 12 #include <linux/spi/spi.h> 13 #include <linux/module.h> 14 #include <linux/of.h> 15 #include <linux/regmap.h> 16 #include <sound/soc.h> 17 18 #include "tlv320aic3x.h" 19 20 static int aic3x_spi_probe(struct spi_device *spi) 21 { 22 struct regmap *regmap; 23 struct regmap_config config; 24 const struct spi_device_id *id = spi_get_device_id(spi); 25 26 config = aic3x_regmap; 27 config.reg_bits = 7; 28 config.pad_bits = 1; 29 config.val_bits = 8; 30 config.read_flag_mask = 0x01; 31 32 dev_dbg(&spi->dev, "probing tlv320aic3x spi device\n"); 33 34 regmap = devm_regmap_init_spi(spi, &config); 35 return aic3x_probe(&spi->dev, regmap, id->driver_data); 36 } 37 38 static void aic3x_spi_remove(struct spi_device *spi) 39 { 40 aic3x_remove(&spi->dev); 41 } 42 43 static const struct spi_device_id aic3x_spi_id[] = { 44 { "tlv320aic3x", AIC3X_MODEL_3X }, 45 { "tlv320aic33", AIC3X_MODEL_33 }, 46 { "tlv320aic3007", AIC3X_MODEL_3007 }, 47 { "tlv320aic3104", AIC3X_MODEL_3104 }, 48 { "tlv320aic3106", AIC3X_MODEL_3106 }, 49 { } 50 }; 51 MODULE_DEVICE_TABLE(spi, aic3x_spi_id); 52 53 static const struct of_device_id aic3x_of_id[] = { 54 { .compatible = "ti,tlv320aic3x", }, 55 { .compatible = "ti,tlv320aic33" }, 56 { .compatible = "ti,tlv320aic3007" }, 57 { .compatible = "ti,tlv320aic3104" }, 58 { .compatible = "ti,tlv320aic3106" }, 59 {}, 60 }; 61 MODULE_DEVICE_TABLE(of, aic3x_of_id); 62 63 static struct spi_driver aic3x_spi_driver = { 64 .driver = { 65 .name = "tlv320aic3x", 66 .of_match_table = aic3x_of_id, 67 }, 68 .probe = aic3x_spi_probe, 69 .remove = aic3x_spi_remove, 70 .id_table = aic3x_spi_id, 71 }; 72 73 module_spi_driver(aic3x_spi_driver); 74 75 MODULE_DESCRIPTION("ASoC TLV320AIC3x codec driver SPI"); 76 MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>"); 77 MODULE_LICENSE("GPL"); 78