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