1 /* 2 * linux/sound/soc/codecs/tlv320aic32x4-spi.c 3 * 4 * Copyright 2011 NW Digital Radio 5 * 6 * Author: Annaliese McDermond <nh6z@nh6z.net> 7 * 8 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 */ 20 21 #include <linux/spi/spi.h> 22 #include <linux/module.h> 23 #include <linux/of.h> 24 #include <linux/regmap.h> 25 #include <sound/soc.h> 26 27 #include "tlv320aic32x4.h" 28 29 static int aic32x4_spi_probe(struct spi_device *spi) 30 { 31 struct regmap *regmap; 32 struct regmap_config config; 33 34 config = aic32x4_regmap_config; 35 config.reg_bits = 7; 36 config.pad_bits = 1; 37 config.val_bits = 8; 38 config.read_flag_mask = 0x01; 39 40 regmap = devm_regmap_init_spi(spi, &config); 41 return aic32x4_probe(&spi->dev, regmap); 42 } 43 44 static int aic32x4_spi_remove(struct spi_device *spi) 45 { 46 return aic32x4_remove(&spi->dev); 47 } 48 49 static const struct spi_device_id aic32x4_spi_id[] = { 50 { "tlv320aic32x4", 0 }, 51 { "tlv320aic32x6", 1 }, 52 { /* sentinel */ } 53 }; 54 MODULE_DEVICE_TABLE(spi, aic32x4_spi_id); 55 56 static const struct of_device_id aic32x4_of_id[] = { 57 { .compatible = "ti,tlv320aic32x4", }, 58 { .compatible = "ti,tlv320aic32x6", }, 59 { /* senitel */ } 60 }; 61 MODULE_DEVICE_TABLE(of, aic32x4_of_id); 62 63 static struct spi_driver aic32x4_spi_driver = { 64 .driver = { 65 .name = "tlv320aic32x4", 66 .owner = THIS_MODULE, 67 .of_match_table = aic32x4_of_id, 68 }, 69 .probe = aic32x4_spi_probe, 70 .remove = aic32x4_spi_remove, 71 .id_table = aic32x4_spi_id, 72 }; 73 74 module_spi_driver(aic32x4_spi_driver); 75 76 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI"); 77 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>"); 78 MODULE_LICENSE("GPL"); 79