Annaliese McDermond | 8a1d95c | 2019-04-03 21:17:16 -0700 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 |
Jeremy McDermond | 125bc68 | 2016-04-18 17:24:06 -0700 | [diff] [blame] | 2 | * |
Annaliese McDermond | 8a1d95c | 2019-04-03 21:17:16 -0700 | [diff] [blame] | 3 | * Copyright 2011-2019 NW Digital Radio |
Jeremy McDermond | 125bc68 | 2016-04-18 17:24:06 -0700 | [diff] [blame] | 4 | * |
Annaliese McDermond | 7297ba6 | 2019-04-03 21:17:15 -0700 | [diff] [blame] | 5 | * Author: Annaliese McDermond <nh6z@nh6z.net> |
Jeremy McDermond | 125bc68 | 2016-04-18 17:24:06 -0700 | [diff] [blame] | 6 | * |
| 7 | * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27. |
| 8 | * |
Jeremy McDermond | 125bc68 | 2016-04-18 17:24:06 -0700 | [diff] [blame] | 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 | |
Claudius Heine | 688d47c | 2021-06-17 10:52:28 +0200 | [diff] [blame] | 19 | static const struct of_device_id aic32x4_of_id[]; |
| 20 | |
Jeremy McDermond | 125bc68 | 2016-04-18 17:24:06 -0700 | [diff] [blame] | 21 | static int aic32x4_spi_probe(struct spi_device *spi) |
| 22 | { |
| 23 | struct regmap *regmap; |
| 24 | struct regmap_config config; |
| 25 | |
| 26 | config = aic32x4_regmap_config; |
| 27 | config.reg_bits = 7; |
| 28 | config.pad_bits = 1; |
| 29 | config.val_bits = 8; |
| 30 | config.read_flag_mask = 0x01; |
| 31 | |
| 32 | regmap = devm_regmap_init_spi(spi, &config); |
Claudius Heine | 688d47c | 2021-06-17 10:52:28 +0200 | [diff] [blame] | 33 | |
| 34 | if (spi->dev.of_node) { |
| 35 | const struct of_device_id *oid; |
| 36 | |
| 37 | oid = of_match_node(aic32x4_of_id, spi->dev.of_node); |
| 38 | dev_set_drvdata(&spi->dev, (void *)oid->data); |
| 39 | } else { |
| 40 | const struct spi_device_id *id_entry; |
| 41 | |
| 42 | id_entry = spi_get_device_id(spi); |
| 43 | dev_set_drvdata(&spi->dev, (void *)id_entry->driver_data); |
| 44 | } |
| 45 | |
Jeremy McDermond | 125bc68 | 2016-04-18 17:24:06 -0700 | [diff] [blame] | 46 | return aic32x4_probe(&spi->dev, regmap); |
| 47 | } |
| 48 | |
| 49 | static int aic32x4_spi_remove(struct spi_device *spi) |
| 50 | { |
Uwe Kleine-König | 0f88409 | 2021-10-15 09:11:13 +0200 | [diff] [blame] | 51 | aic32x4_remove(&spi->dev); |
| 52 | |
| 53 | return 0; |
Jeremy McDermond | 125bc68 | 2016-04-18 17:24:06 -0700 | [diff] [blame] | 54 | } |
| 55 | |
| 56 | static const struct spi_device_id aic32x4_spi_id[] = { |
Claudius Heine | 688d47c | 2021-06-17 10:52:28 +0200 | [diff] [blame] | 57 | { "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 }, |
| 58 | { "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 }, |
Jeremy McDermond | 125bc68 | 2016-04-18 17:24:06 -0700 | [diff] [blame] | 59 | { /* sentinel */ } |
| 60 | }; |
| 61 | MODULE_DEVICE_TABLE(spi, aic32x4_spi_id); |
| 62 | |
| 63 | static const struct of_device_id aic32x4_of_id[] = { |
Claudius Heine | 688d47c | 2021-06-17 10:52:28 +0200 | [diff] [blame] | 64 | { .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 }, |
| 65 | { .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 }, |
Jeremy McDermond | 125bc68 | 2016-04-18 17:24:06 -0700 | [diff] [blame] | 66 | { /* senitel */ } |
| 67 | }; |
| 68 | MODULE_DEVICE_TABLE(of, aic32x4_of_id); |
| 69 | |
| 70 | static struct spi_driver aic32x4_spi_driver = { |
| 71 | .driver = { |
| 72 | .name = "tlv320aic32x4", |
| 73 | .owner = THIS_MODULE, |
| 74 | .of_match_table = aic32x4_of_id, |
| 75 | }, |
| 76 | .probe = aic32x4_spi_probe, |
| 77 | .remove = aic32x4_spi_remove, |
| 78 | .id_table = aic32x4_spi_id, |
| 79 | }; |
| 80 | |
| 81 | module_spi_driver(aic32x4_spi_driver); |
| 82 | |
| 83 | MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI"); |
Annaliese McDermond | 7297ba6 | 2019-04-03 21:17:15 -0700 | [diff] [blame] | 84 | MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>"); |
Jeremy McDermond | 125bc68 | 2016-04-18 17:24:06 -0700 | [diff] [blame] | 85 | MODULE_LICENSE("GPL"); |