1*e7434adfSVitaly Rodionov // SPDX-License-Identifier: GPL-2.0 2*e7434adfSVitaly Rodionov // 3*e7434adfSVitaly Rodionov // CS530x CODEC driver 4*e7434adfSVitaly Rodionov // 5*e7434adfSVitaly Rodionov // Copyright (C) 2025 Cirrus Logic, Inc. and 6*e7434adfSVitaly Rodionov // Cirrus Logic International Semiconductor Ltd. 7*e7434adfSVitaly Rodionov 8*e7434adfSVitaly Rodionov #include <linux/module.h> 9*e7434adfSVitaly Rodionov #include <linux/platform_device.h> 10*e7434adfSVitaly Rodionov #include <linux/spi/spi.h> 11*e7434adfSVitaly Rodionov 12*e7434adfSVitaly Rodionov #include "cs530x.h" 13*e7434adfSVitaly Rodionov 14*e7434adfSVitaly Rodionov static const struct of_device_id cs530x_of_match[] = { 15*e7434adfSVitaly Rodionov { 16*e7434adfSVitaly Rodionov .compatible = "cirrus,cs4282", 17*e7434adfSVitaly Rodionov .data = (void *)CS4282, 18*e7434adfSVitaly Rodionov }, { 19*e7434adfSVitaly Rodionov .compatible = "cirrus,cs4302", 20*e7434adfSVitaly Rodionov .data = (void *)CS4302, 21*e7434adfSVitaly Rodionov }, { 22*e7434adfSVitaly Rodionov .compatible = "cirrus,cs4304", 23*e7434adfSVitaly Rodionov .data = (void *)CS4304, 24*e7434adfSVitaly Rodionov }, { 25*e7434adfSVitaly Rodionov .compatible = "cirrus,cs4308", 26*e7434adfSVitaly Rodionov .data = (void *)CS4308, 27*e7434adfSVitaly Rodionov }, { 28*e7434adfSVitaly Rodionov .compatible = "cirrus,cs5302", 29*e7434adfSVitaly Rodionov .data = (void *)CS5302, 30*e7434adfSVitaly Rodionov }, { 31*e7434adfSVitaly Rodionov .compatible = "cirrus,cs5304", 32*e7434adfSVitaly Rodionov .data = (void *)CS5304, 33*e7434adfSVitaly Rodionov }, { 34*e7434adfSVitaly Rodionov .compatible = "cirrus,cs5304", 35*e7434adfSVitaly Rodionov .data = (void *)CS5308, 36*e7434adfSVitaly Rodionov }, 37*e7434adfSVitaly Rodionov {} 38*e7434adfSVitaly Rodionov }; 39*e7434adfSVitaly Rodionov MODULE_DEVICE_TABLE(of, cs530x_of_match); 40*e7434adfSVitaly Rodionov 41*e7434adfSVitaly Rodionov static const struct spi_device_id cs530x_spi_id[] = { 42*e7434adfSVitaly Rodionov { "cs4282", CS4282 }, 43*e7434adfSVitaly Rodionov { "cs4302", CS4302 }, 44*e7434adfSVitaly Rodionov { "cs4304", CS4304 }, 45*e7434adfSVitaly Rodionov { "cs4308", CS4308 }, 46*e7434adfSVitaly Rodionov { "cs5302", CS5302 }, 47*e7434adfSVitaly Rodionov { "cs5304", CS5304 }, 48*e7434adfSVitaly Rodionov { "cs5308", CS5308 }, 49*e7434adfSVitaly Rodionov { } 50*e7434adfSVitaly Rodionov }; 51*e7434adfSVitaly Rodionov MODULE_DEVICE_TABLE(spi, cs530x_spi_id); 52*e7434adfSVitaly Rodionov 53*e7434adfSVitaly Rodionov static int cs530x_spi_probe(struct spi_device *spi) 54*e7434adfSVitaly Rodionov { 55*e7434adfSVitaly Rodionov struct cs530x_priv *cs530x; 56*e7434adfSVitaly Rodionov struct device *dev = &spi->dev; 57*e7434adfSVitaly Rodionov int ret; 58*e7434adfSVitaly Rodionov 59*e7434adfSVitaly Rodionov cs530x = devm_kzalloc(dev, sizeof(struct cs530x_priv), GFP_KERNEL); 60*e7434adfSVitaly Rodionov if (cs530x == NULL) 61*e7434adfSVitaly Rodionov return -ENOMEM; 62*e7434adfSVitaly Rodionov 63*e7434adfSVitaly Rodionov spi_set_drvdata(spi, cs530x); 64*e7434adfSVitaly Rodionov 65*e7434adfSVitaly Rodionov cs530x->regmap = devm_regmap_init_spi(spi, &cs530x_regmap_spi); 66*e7434adfSVitaly Rodionov if (IS_ERR(cs530x->regmap)) { 67*e7434adfSVitaly Rodionov ret = PTR_ERR(cs530x->regmap); 68*e7434adfSVitaly Rodionov dev_err(dev, "Failed to allocate register map: %d\n", ret); 69*e7434adfSVitaly Rodionov return ret; 70*e7434adfSVitaly Rodionov } 71*e7434adfSVitaly Rodionov 72*e7434adfSVitaly Rodionov cs530x->devtype = (unsigned long)spi_get_device_match_data(spi); 73*e7434adfSVitaly Rodionov cs530x->dev = &spi->dev; 74*e7434adfSVitaly Rodionov 75*e7434adfSVitaly Rodionov return cs530x_probe(cs530x); 76*e7434adfSVitaly Rodionov } 77*e7434adfSVitaly Rodionov 78*e7434adfSVitaly Rodionov static struct spi_driver cs530x_spi_driver = { 79*e7434adfSVitaly Rodionov .driver = { 80*e7434adfSVitaly Rodionov .name = "cs530x", 81*e7434adfSVitaly Rodionov .of_match_table = cs530x_of_match, 82*e7434adfSVitaly Rodionov }, 83*e7434adfSVitaly Rodionov .id_table = cs530x_spi_id, 84*e7434adfSVitaly Rodionov .probe = cs530x_spi_probe, 85*e7434adfSVitaly Rodionov }; 86*e7434adfSVitaly Rodionov 87*e7434adfSVitaly Rodionov module_spi_driver(cs530x_spi_driver); 88*e7434adfSVitaly Rodionov 89*e7434adfSVitaly Rodionov MODULE_DESCRIPTION("SPI CS530X driver"); 90*e7434adfSVitaly Rodionov MODULE_IMPORT_NS("SND_SOC_CS530X"); 91*e7434adfSVitaly Rodionov MODULE_AUTHOR("Vitaly Rodionov <vitalyr@opensource.cirrus.com>"); 92*e7434adfSVitaly Rodionov MODULE_LICENSE("GPL"); 93