| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | // |
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| 3 | // CS530x CODEC driver |
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| 4 | // |
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| 5 | // Copyright (C) 2025 Cirrus Logic, Inc. and |
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| 6 | // Cirrus Logic International Semiconductor Ltd. |
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| 7 | |
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| 8 | #include <linux/module.h> |
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| 9 | #include <linux/platform_device.h> |
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| 10 | #include <linux/spi/spi.h> |
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| 11 | |
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| 12 | #include "cs530x.h" |
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| 13 | |
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| 14 | static const struct of_device_id cs530x_of_match[] = { |
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| 15 | { |
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| 16 | .compatible = "cirrus,cs4282" , |
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| 17 | .data = (void *)CS4282, |
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| 18 | }, { |
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| 19 | .compatible = "cirrus,cs4302" , |
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| 20 | .data = (void *)CS4302, |
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| 21 | }, { |
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| 22 | .compatible = "cirrus,cs4304" , |
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| 23 | .data = (void *)CS4304, |
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| 24 | }, { |
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| 25 | .compatible = "cirrus,cs4308" , |
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| 26 | .data = (void *)CS4308, |
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| 27 | }, { |
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| 28 | .compatible = "cirrus,cs5302" , |
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| 29 | .data = (void *)CS5302, |
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| 30 | }, { |
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| 31 | .compatible = "cirrus,cs5304" , |
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| 32 | .data = (void *)CS5304, |
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| 33 | }, { |
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| 34 | .compatible = "cirrus,cs5304" , |
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| 35 | .data = (void *)CS5308, |
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| 36 | }, |
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| 37 | {} |
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| 38 | }; |
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| 39 | MODULE_DEVICE_TABLE(of, cs530x_of_match); |
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| 40 | |
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| 41 | static const struct spi_device_id cs530x_spi_id[] = { |
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| 42 | { "cs4282" , CS4282 }, |
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| 43 | { "cs4302" , CS4302 }, |
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| 44 | { "cs4304" , CS4304 }, |
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| 45 | { "cs4308" , CS4308 }, |
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| 46 | { "cs5302" , CS5302 }, |
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| 47 | { "cs5304" , CS5304 }, |
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| 48 | { "cs5308" , CS5308 }, |
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| 49 | { } |
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| 50 | }; |
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| 51 | MODULE_DEVICE_TABLE(spi, cs530x_spi_id); |
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| 52 | |
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| 53 | static int cs530x_spi_probe(struct spi_device *spi) |
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| 54 | { |
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| 55 | struct cs530x_priv *cs530x; |
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| 56 | struct device *dev = &spi->dev; |
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| 57 | int ret; |
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| 58 | |
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| 59 | cs530x = devm_kzalloc(dev, size: sizeof(struct cs530x_priv), GFP_KERNEL); |
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| 60 | if (cs530x == NULL) |
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| 61 | return -ENOMEM; |
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| 62 | |
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| 63 | spi_set_drvdata(spi, data: cs530x); |
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| 64 | |
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| 65 | cs530x->regmap = devm_regmap_init_spi(spi, &cs530x_regmap_spi); |
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| 66 | if (IS_ERR(ptr: cs530x->regmap)) { |
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| 67 | ret = PTR_ERR(ptr: cs530x->regmap); |
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| 68 | dev_err(dev, "Failed to allocate register map: %d\n" , ret); |
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| 69 | return ret; |
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| 70 | } |
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| 71 | |
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| 72 | cs530x->devtype = (unsigned long)spi_get_device_match_data(sdev: spi); |
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| 73 | cs530x->dev = &spi->dev; |
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| 74 | |
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| 75 | return cs530x_probe(cs530x); |
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| 76 | } |
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| 77 | |
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| 78 | static struct spi_driver cs530x_spi_driver = { |
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| 79 | .driver = { |
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| 80 | .name = "cs530x" , |
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| 81 | .of_match_table = cs530x_of_match, |
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| 82 | }, |
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| 83 | .id_table = cs530x_spi_id, |
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| 84 | .probe = cs530x_spi_probe, |
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| 85 | }; |
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| 86 | |
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| 87 | module_spi_driver(cs530x_spi_driver); |
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| 88 | |
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| 89 | MODULE_DESCRIPTION("SPI CS530X driver" ); |
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| 90 | MODULE_IMPORT_NS("SND_SOC_CS530X" ); |
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| 91 | MODULE_AUTHOR("Vitaly Rodionov <vitalyr@opensource.cirrus.com>" ); |
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| 92 | MODULE_LICENSE("GPL" ); |
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| 93 | |
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