projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1802d0be | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 22066226 MB |
2 | /* |
| 3 | * Driver for the PCM512x CODECs | |
| 4 | * | |
| da924c3a | 5 | * Author: Mark Brown <broonie@kernel.org> |
| 22066226 | 6 | * Copyright 2014 Linaro Ltd |
| 22066226 MB |
7 | */ |
| 8 | ||
| 9 | #include <linux/init.h> | |
| 10 | #include <linux/module.h> | |
| 11 | #include <linux/i2c.h> | |
| b84f48d1 | 12 | #include <linux/acpi.h> |
| 22066226 MB |
13 | |
| 14 | #include "pcm512x.h" | |
| 15 | ||
| 7f7d7214 | 16 | static int pcm512x_i2c_probe(struct i2c_client *i2c) |
| 22066226 MB |
17 | { |
| 18 | struct regmap *regmap; | |
| 681a1956 | 19 | struct regmap_config config = pcm512x_regmap; |
| 22066226 | 20 | |
| 681a1956 PR |
21 | /* msb needs to be set to enable auto-increment of addresses */ |
| 22 | config.read_flag_mask = 0x80; | |
| 23 | config.write_flag_mask = 0x80; | |
| 24 | ||
| 25 | regmap = devm_regmap_init_i2c(i2c, &config); | |
| 22066226 MB |
26 | if (IS_ERR(regmap)) |
| 27 | return PTR_ERR(regmap); | |
| 28 | ||
| 29 | return pcm512x_probe(&i2c->dev, regmap); | |
| 30 | } | |
| 31 | ||
| ed5c2f5f | 32 | static void pcm512x_i2c_remove(struct i2c_client *i2c) |
| 22066226 MB |
33 | { |
| 34 | pcm512x_remove(&i2c->dev); | |
| 22066226 MB |
35 | } |
| 36 | ||
| 37 | static const struct i2c_device_id pcm512x_i2c_id[] = { | |
| 38 | { "pcm5121", }, | |
| 39 | { "pcm5122", }, | |
| ba5295e5 PR |
40 | { "pcm5141", }, |
| 41 | { "pcm5142", }, | |
| 9c9b172f | 42 | { "pcm5242", }, |
| 1f817805 JS |
43 | { "tas5754", }, |
| 44 | { "tas5756", }, | |
| 22066226 MB |
45 | { } |
| 46 | }; | |
| 47 | MODULE_DEVICE_TABLE(i2c, pcm512x_i2c_id); | |
| 48 | ||
| b84f48d1 | 49 | #if defined(CONFIG_OF) |
| 22066226 MB |
50 | static const struct of_device_id pcm512x_of_match[] = { |
| 51 | { .compatible = "ti,pcm5121", }, | |
| 52 | { .compatible = "ti,pcm5122", }, | |
| ba5295e5 PR |
53 | { .compatible = "ti,pcm5141", }, |
| 54 | { .compatible = "ti,pcm5142", }, | |
| 9c9b172f | 55 | { .compatible = "ti,pcm5242", }, |
| 1f817805 JS |
56 | { .compatible = "ti,tas5754", }, |
| 57 | { .compatible = "ti,tas5756", }, | |
| 22066226 MB |
58 | { } |
| 59 | }; | |
| 60 | MODULE_DEVICE_TABLE(of, pcm512x_of_match); | |
| b84f48d1 PLB |
61 | #endif |
| 62 | ||
| 63 | #ifdef CONFIG_ACPI | |
| 64 | static const struct acpi_device_id pcm512x_acpi_match[] = { | |
| 65 | { "104C5121", 0 }, | |
| 66 | { "104C5122", 0 }, | |
| 67 | { "104C5141", 0 }, | |
| 68 | { "104C5142", 0 }, | |
| 69 | { }, | |
| 70 | }; | |
| 71 | MODULE_DEVICE_TABLE(acpi, pcm512x_acpi_match); | |
| 72 | #endif | |
| 22066226 MB |
73 | |
| 74 | static struct i2c_driver pcm512x_i2c_driver = { | |
| 9abcd240 | 75 | .probe = pcm512x_i2c_probe, |
| 22066226 MB |
76 | .remove = pcm512x_i2c_remove, |
| 77 | .id_table = pcm512x_i2c_id, | |
| 78 | .driver = { | |
| 79 | .name = "pcm512x", | |
| b84f48d1 PLB |
80 | .of_match_table = of_match_ptr(pcm512x_of_match), |
| 81 | .acpi_match_table = ACPI_PTR(pcm512x_acpi_match), | |
| 22066226 MB |
82 | .pm = &pcm512x_pm_ops, |
| 83 | }, | |
| 84 | }; | |
| 85 | ||
| 86 | module_i2c_driver(pcm512x_i2c_driver); | |
| 87 | ||
| 88 | MODULE_DESCRIPTION("ASoC PCM512x codec driver - I2C"); | |
| da924c3a | 89 | MODULE_AUTHOR("Mark Brown <broonie@kernel.org>"); |
| 22066226 | 90 | MODULE_LICENSE("GPL v2"); |