1*73cfbfa9SSimon Trimmer // SPDX-License-Identifier: GPL-2.0-only 2*73cfbfa9SSimon Trimmer // 3*73cfbfa9SSimon Trimmer // CS35L56 HDA audio driver SPI binding 4*73cfbfa9SSimon Trimmer // 5*73cfbfa9SSimon Trimmer // Copyright (C) 2023 Cirrus Logic, Inc. and 6*73cfbfa9SSimon Trimmer // Cirrus Logic International Semiconductor Ltd. 7*73cfbfa9SSimon Trimmer 8*73cfbfa9SSimon Trimmer #include <linux/module.h> 9*73cfbfa9SSimon Trimmer #include <linux/regmap.h> 10*73cfbfa9SSimon Trimmer #include <linux/spi/spi.h> 11*73cfbfa9SSimon Trimmer 12*73cfbfa9SSimon Trimmer #include "cs35l56_hda.h" 13*73cfbfa9SSimon Trimmer 14*73cfbfa9SSimon Trimmer static int cs35l56_hda_spi_probe(struct spi_device *spi) 15*73cfbfa9SSimon Trimmer { 16*73cfbfa9SSimon Trimmer struct cs35l56_hda *cs35l56; 17*73cfbfa9SSimon Trimmer int ret; 18*73cfbfa9SSimon Trimmer 19*73cfbfa9SSimon Trimmer cs35l56 = devm_kzalloc(&spi->dev, sizeof(*cs35l56), GFP_KERNEL); 20*73cfbfa9SSimon Trimmer if (!cs35l56) 21*73cfbfa9SSimon Trimmer return -ENOMEM; 22*73cfbfa9SSimon Trimmer 23*73cfbfa9SSimon Trimmer cs35l56->base.dev = &spi->dev; 24*73cfbfa9SSimon Trimmer cs35l56->base.regmap = devm_regmap_init_spi(spi, &cs35l56_regmap_spi); 25*73cfbfa9SSimon Trimmer if (IS_ERR(cs35l56->base.regmap)) { 26*73cfbfa9SSimon Trimmer ret = PTR_ERR(cs35l56->base.regmap); 27*73cfbfa9SSimon Trimmer dev_err(cs35l56->base.dev, "Failed to allocate register map: %d\n", 28*73cfbfa9SSimon Trimmer ret); 29*73cfbfa9SSimon Trimmer return ret; 30*73cfbfa9SSimon Trimmer } 31*73cfbfa9SSimon Trimmer 32*73cfbfa9SSimon Trimmer ret = cs35l56_hda_common_probe(cs35l56, spi->chip_select); 33*73cfbfa9SSimon Trimmer if (ret) 34*73cfbfa9SSimon Trimmer return ret; 35*73cfbfa9SSimon Trimmer ret = cs35l56_irq_request(&cs35l56->base, spi->irq); 36*73cfbfa9SSimon Trimmer if (ret < 0) 37*73cfbfa9SSimon Trimmer cs35l56_hda_remove(cs35l56->base.dev); 38*73cfbfa9SSimon Trimmer 39*73cfbfa9SSimon Trimmer return ret; 40*73cfbfa9SSimon Trimmer } 41*73cfbfa9SSimon Trimmer 42*73cfbfa9SSimon Trimmer static void cs35l56_hda_spi_remove(struct spi_device *spi) 43*73cfbfa9SSimon Trimmer { 44*73cfbfa9SSimon Trimmer cs35l56_hda_remove(&spi->dev); 45*73cfbfa9SSimon Trimmer } 46*73cfbfa9SSimon Trimmer 47*73cfbfa9SSimon Trimmer static const struct spi_device_id cs35l56_hda_spi_id[] = { 48*73cfbfa9SSimon Trimmer { "cs35l56-hda", 0 }, 49*73cfbfa9SSimon Trimmer {} 50*73cfbfa9SSimon Trimmer }; 51*73cfbfa9SSimon Trimmer 52*73cfbfa9SSimon Trimmer static struct spi_driver cs35l56_hda_spi_driver = { 53*73cfbfa9SSimon Trimmer .driver = { 54*73cfbfa9SSimon Trimmer .name = "cs35l56-hda", 55*73cfbfa9SSimon Trimmer .pm = &cs35l56_hda_pm_ops, 56*73cfbfa9SSimon Trimmer }, 57*73cfbfa9SSimon Trimmer .id_table = cs35l56_hda_spi_id, 58*73cfbfa9SSimon Trimmer .probe = cs35l56_hda_spi_probe, 59*73cfbfa9SSimon Trimmer .remove = cs35l56_hda_spi_remove, 60*73cfbfa9SSimon Trimmer }; 61*73cfbfa9SSimon Trimmer module_spi_driver(cs35l56_hda_spi_driver); 62*73cfbfa9SSimon Trimmer 63*73cfbfa9SSimon Trimmer MODULE_DESCRIPTION("HDA CS35L56 SPI driver"); 64*73cfbfa9SSimon Trimmer MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L56); 65*73cfbfa9SSimon Trimmer MODULE_IMPORT_NS(SND_SOC_CS35L56_SHARED); 66*73cfbfa9SSimon Trimmer MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>"); 67*73cfbfa9SSimon Trimmer MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>"); 68*73cfbfa9SSimon Trimmer MODULE_LICENSE("GPL"); 69