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