1*6014e902STakashi Iwai // SPDX-License-Identifier: GPL-2.0-only 2*6014e902STakashi Iwai // 3*6014e902STakashi Iwai // CS35L56 HDA audio driver SPI binding 4*6014e902STakashi Iwai // 5*6014e902STakashi Iwai // Copyright (C) 2023 Cirrus Logic, Inc. and 6*6014e902STakashi Iwai // Cirrus Logic International Semiconductor Ltd. 7*6014e902STakashi Iwai 8*6014e902STakashi Iwai #include <linux/module.h> 9*6014e902STakashi Iwai #include <linux/regmap.h> 10*6014e902STakashi Iwai #include <linux/spi/spi.h> 11*6014e902STakashi Iwai 12*6014e902STakashi Iwai #include "cs35l56_hda.h" 13*6014e902STakashi Iwai 14*6014e902STakashi Iwai static int cs35l56_hda_spi_probe(struct spi_device *spi) 15*6014e902STakashi Iwai { 16*6014e902STakashi Iwai const struct spi_device_id *id = spi_get_device_id(spi); 17*6014e902STakashi Iwai struct cs35l56_hda *cs35l56; 18*6014e902STakashi Iwai int ret; 19*6014e902STakashi Iwai 20*6014e902STakashi Iwai cs35l56 = devm_kzalloc(&spi->dev, sizeof(*cs35l56), GFP_KERNEL); 21*6014e902STakashi Iwai if (!cs35l56) 22*6014e902STakashi Iwai return -ENOMEM; 23*6014e902STakashi Iwai 24*6014e902STakashi Iwai cs35l56->base.dev = &spi->dev; 25*6014e902STakashi Iwai ret = cs35l56_init_config_for_spi(&cs35l56->base, spi); 26*6014e902STakashi Iwai if (ret) 27*6014e902STakashi Iwai return ret; 28*6014e902STakashi Iwai 29*6014e902STakashi Iwai #ifdef CS35L56_WAKE_HOLD_TIME_US 30*6014e902STakashi Iwai cs35l56->base.can_hibernate = true; 31*6014e902STakashi Iwai #endif 32*6014e902STakashi Iwai 33*6014e902STakashi Iwai cs35l56->base.fw_reg = &cs35l56_fw_reg; 34*6014e902STakashi Iwai 35*6014e902STakashi Iwai cs35l56->base.regmap = devm_regmap_init_spi(spi, &cs35l56_regmap_spi); 36*6014e902STakashi Iwai if (IS_ERR(cs35l56->base.regmap)) { 37*6014e902STakashi Iwai ret = PTR_ERR(cs35l56->base.regmap); 38*6014e902STakashi Iwai dev_err(cs35l56->base.dev, "Failed to allocate register map: %d\n", 39*6014e902STakashi Iwai ret); 40*6014e902STakashi Iwai return ret; 41*6014e902STakashi Iwai } 42*6014e902STakashi Iwai 43*6014e902STakashi Iwai ret = cs35l56_hda_common_probe(cs35l56, id->driver_data, spi_get_chipselect(spi, 0)); 44*6014e902STakashi Iwai if (ret) 45*6014e902STakashi Iwai return ret; 46*6014e902STakashi Iwai ret = cs35l56_irq_request(&cs35l56->base, spi->irq); 47*6014e902STakashi Iwai if (ret < 0) 48*6014e902STakashi Iwai cs35l56_hda_remove(cs35l56->base.dev); 49*6014e902STakashi Iwai 50*6014e902STakashi Iwai return ret; 51*6014e902STakashi Iwai } 52*6014e902STakashi Iwai 53*6014e902STakashi Iwai static void cs35l56_hda_spi_remove(struct spi_device *spi) 54*6014e902STakashi Iwai { 55*6014e902STakashi Iwai cs35l56_hda_remove(&spi->dev); 56*6014e902STakashi Iwai } 57*6014e902STakashi Iwai 58*6014e902STakashi Iwai static const struct spi_device_id cs35l56_hda_spi_id[] = { 59*6014e902STakashi Iwai { "cs35l54-hda", 0x3554 }, 60*6014e902STakashi Iwai { "cs35l56-hda", 0x3556 }, 61*6014e902STakashi Iwai { "cs35l57-hda", 0x3557 }, 62*6014e902STakashi Iwai {} 63*6014e902STakashi Iwai }; 64*6014e902STakashi Iwai 65*6014e902STakashi Iwai static const struct acpi_device_id cs35l56_acpi_hda_match[] = { 66*6014e902STakashi Iwai { "CSC3554", 0 }, 67*6014e902STakashi Iwai { "CSC3556", 0 }, 68*6014e902STakashi Iwai { "CSC3557", 0 }, 69*6014e902STakashi Iwai {} 70*6014e902STakashi Iwai }; 71*6014e902STakashi Iwai MODULE_DEVICE_TABLE(acpi, cs35l56_acpi_hda_match); 72*6014e902STakashi Iwai 73*6014e902STakashi Iwai static struct spi_driver cs35l56_hda_spi_driver = { 74*6014e902STakashi Iwai .driver = { 75*6014e902STakashi Iwai .name = "cs35l56-hda", 76*6014e902STakashi Iwai .acpi_match_table = cs35l56_acpi_hda_match, 77*6014e902STakashi Iwai .pm = &cs35l56_hda_pm_ops, 78*6014e902STakashi Iwai }, 79*6014e902STakashi Iwai .id_table = cs35l56_hda_spi_id, 80*6014e902STakashi Iwai .probe = cs35l56_hda_spi_probe, 81*6014e902STakashi Iwai .remove = cs35l56_hda_spi_remove, 82*6014e902STakashi Iwai }; 83*6014e902STakashi Iwai module_spi_driver(cs35l56_hda_spi_driver); 84*6014e902STakashi Iwai 85*6014e902STakashi Iwai MODULE_DESCRIPTION("HDA CS35L56 SPI driver"); 86*6014e902STakashi Iwai MODULE_IMPORT_NS("SND_HDA_SCODEC_CS35L56"); 87*6014e902STakashi Iwai MODULE_IMPORT_NS("SND_SOC_CS35L56_SHARED"); 88*6014e902STakashi Iwai MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>"); 89*6014e902STakashi Iwai MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>"); 90*6014e902STakashi Iwai MODULE_LICENSE("GPL"); 91