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/spi/spi.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 int aic32x4_spi_probe(struct spi_device *spi) 20 { 21 struct regmap *regmap; 22 struct regmap_config config; 23 enum aic32x4_type type; 24 25 config = aic32x4_regmap_config; 26 config.reg_bits = 7; 27 config.pad_bits = 1; 28 config.val_bits = 8; 29 config.read_flag_mask = 0x01; 30 31 regmap = devm_regmap_init_spi(spi, &config); 32 type = (uintptr_t)spi_get_device_match_data(spi); 33 34 return aic32x4_probe(&spi->dev, regmap, type); 35 } 36 37 static void aic32x4_spi_remove(struct spi_device *spi) 38 { 39 aic32x4_remove(&spi->dev); 40 } 41 42 static const struct spi_device_id aic32x4_spi_id[] = { 43 { "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 }, 44 { "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 }, 45 { /* sentinel */ } 46 }; 47 MODULE_DEVICE_TABLE(spi, aic32x4_spi_id); 48 49 static const struct of_device_id aic32x4_of_id[] = { 50 { .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 }, 51 { .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 }, 52 { /* senitel */ } 53 }; 54 MODULE_DEVICE_TABLE(of, aic32x4_of_id); 55 56 static struct spi_driver aic32x4_spi_driver = { 57 .driver = { 58 .name = "tlv320aic32x4", 59 .of_match_table = aic32x4_of_id, 60 }, 61 .probe = aic32x4_spi_probe, 62 .remove = aic32x4_spi_remove, 63 .id_table = aic32x4_spi_id, 64 }; 65 66 module_spi_driver(aic32x4_spi_driver); 67 68 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI"); 69 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>"); 70 MODULE_LICENSE("GPL"); 71