| 1 | // SPDX-License-Identifier: GPL-2.0-only |
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| 2 | /* |
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| 3 | * Driver for the PCM512x CODECs |
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| 4 | * |
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| 5 | * Author: Mark Brown <broonie@kernel.org> |
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| 6 | * Copyright 2014 Linaro Ltd |
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| 7 | */ |
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| 8 | |
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| 9 | #include <linux/init.h> |
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| 10 | #include <linux/module.h> |
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| 11 | #include <linux/i2c.h> |
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| 12 | #include <linux/acpi.h> |
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| 13 | |
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| 14 | #include "pcm512x.h" |
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| 15 | |
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| 16 | static int pcm512x_i2c_probe(struct i2c_client *i2c) |
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| 17 | { |
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| 18 | struct regmap *regmap; |
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| 19 | struct regmap_config config = pcm512x_regmap; |
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| 20 | |
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| 21 | /* msb needs to be set to enable auto-increment of addresses */ |
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| 22 | config.read_flag_mask = 0x80; |
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| 23 | config.write_flag_mask = 0x80; |
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| 24 | |
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| 25 | regmap = devm_regmap_init_i2c(i2c, &config); |
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| 26 | if (IS_ERR(ptr: regmap)) |
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| 27 | return PTR_ERR(ptr: regmap); |
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| 28 | |
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| 29 | return pcm512x_probe(dev: &i2c->dev, regmap); |
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| 30 | } |
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| 31 | |
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| 32 | static void pcm512x_i2c_remove(struct i2c_client *i2c) |
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| 33 | { |
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| 34 | pcm512x_remove(dev: &i2c->dev); |
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| 35 | } |
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| 36 | |
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| 37 | static const struct i2c_device_id pcm512x_i2c_id[] = { |
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| 38 | { "pcm5121" , }, |
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| 39 | { "pcm5122" , }, |
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| 40 | { "pcm5141" , }, |
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| 41 | { "pcm5142" , }, |
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| 42 | { "pcm5242" , }, |
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| 43 | { "tas5754" , }, |
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| 44 | { "tas5756" , }, |
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| 45 | { } |
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| 46 | }; |
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| 47 | MODULE_DEVICE_TABLE(i2c, pcm512x_i2c_id); |
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| 48 | |
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| 49 | #if defined(CONFIG_OF) |
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| 50 | static const struct of_device_id pcm512x_of_match[] = { |
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| 51 | { .compatible = "ti,pcm5121" , }, |
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| 52 | { .compatible = "ti,pcm5122" , }, |
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| 53 | { .compatible = "ti,pcm5141" , }, |
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| 54 | { .compatible = "ti,pcm5142" , }, |
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| 55 | { .compatible = "ti,pcm5242" , }, |
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| 56 | { .compatible = "ti,tas5754" , }, |
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| 57 | { .compatible = "ti,tas5756" , }, |
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| 58 | { } |
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| 59 | }; |
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| 60 | MODULE_DEVICE_TABLE(of, pcm512x_of_match); |
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| 61 | #endif |
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| 62 | |
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| 63 | #ifdef CONFIG_ACPI |
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| 64 | static const struct acpi_device_id pcm512x_acpi_match[] = { |
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| 65 | { "104C5121" , 0 }, |
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| 66 | { "104C5122" , 0 }, |
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| 67 | { "104C5141" , 0 }, |
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| 68 | { "104C5142" , 0 }, |
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| 69 | { }, |
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| 70 | }; |
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| 71 | MODULE_DEVICE_TABLE(acpi, pcm512x_acpi_match); |
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| 72 | #endif |
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| 73 | |
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| 74 | static struct i2c_driver pcm512x_i2c_driver = { |
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| 75 | .probe = pcm512x_i2c_probe, |
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| 76 | .remove = pcm512x_i2c_remove, |
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| 77 | .id_table = pcm512x_i2c_id, |
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| 78 | .driver = { |
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| 79 | .name = "pcm512x" , |
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| 80 | .of_match_table = of_match_ptr(pcm512x_of_match), |
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| 81 | .acpi_match_table = ACPI_PTR(pcm512x_acpi_match), |
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| 82 | .pm = pm_ptr(&pcm512x_pm_ops), |
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| 83 | }, |
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| 84 | }; |
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| 85 | |
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| 86 | module_i2c_driver(pcm512x_i2c_driver); |
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| 87 | |
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| 88 | MODULE_DESCRIPTION("ASoC PCM512x codec driver - I2C" ); |
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| 89 | MODULE_AUTHOR("Mark Brown <broonie@kernel.org>" ); |
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| 90 | MODULE_LICENSE("GPL v2" ); |
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| 91 | |
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