1*6014e902STakashi Iwai // SPDX-License-Identifier: GPL-2.0-only 2*6014e902STakashi Iwai // 3*6014e902STakashi Iwai // CS35L56 HDA audio driver I2C 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/i2c.h> 9*6014e902STakashi Iwai #include <linux/module.h> 10*6014e902STakashi Iwai #include <linux/regmap.h> 11*6014e902STakashi Iwai 12*6014e902STakashi Iwai #include "cs35l56_hda.h" 13*6014e902STakashi Iwai 14*6014e902STakashi Iwai static int cs35l56_hda_i2c_probe(struct i2c_client *clt) 15*6014e902STakashi Iwai { 16*6014e902STakashi Iwai const struct i2c_device_id *id = i2c_client_get_device_id(clt); 17*6014e902STakashi Iwai struct cs35l56_hda *cs35l56; 18*6014e902STakashi Iwai int ret; 19*6014e902STakashi Iwai 20*6014e902STakashi Iwai cs35l56 = devm_kzalloc(&clt->dev, sizeof(*cs35l56), GFP_KERNEL); 21*6014e902STakashi Iwai if (!cs35l56) 22*6014e902STakashi Iwai return -ENOMEM; 23*6014e902STakashi Iwai 24*6014e902STakashi Iwai cs35l56->base.dev = &clt->dev; 25*6014e902STakashi Iwai 26*6014e902STakashi Iwai #ifdef CS35L56_WAKE_HOLD_TIME_US 27*6014e902STakashi Iwai cs35l56->base.can_hibernate = true; 28*6014e902STakashi Iwai #endif 29*6014e902STakashi Iwai 30*6014e902STakashi Iwai cs35l56->base.fw_reg = &cs35l56_fw_reg; 31*6014e902STakashi Iwai 32*6014e902STakashi Iwai cs35l56->base.regmap = devm_regmap_init_i2c(clt, &cs35l56_regmap_i2c); 33*6014e902STakashi Iwai if (IS_ERR(cs35l56->base.regmap)) { 34*6014e902STakashi Iwai ret = PTR_ERR(cs35l56->base.regmap); 35*6014e902STakashi Iwai dev_err(cs35l56->base.dev, "Failed to allocate register map: %d\n", 36*6014e902STakashi Iwai ret); 37*6014e902STakashi Iwai return ret; 38*6014e902STakashi Iwai } 39*6014e902STakashi Iwai 40*6014e902STakashi Iwai ret = cs35l56_hda_common_probe(cs35l56, id->driver_data, clt->addr); 41*6014e902STakashi Iwai if (ret) 42*6014e902STakashi Iwai return ret; 43*6014e902STakashi Iwai ret = cs35l56_irq_request(&cs35l56->base, clt->irq); 44*6014e902STakashi Iwai if (ret < 0) 45*6014e902STakashi Iwai cs35l56_hda_remove(cs35l56->base.dev); 46*6014e902STakashi Iwai 47*6014e902STakashi Iwai return ret; 48*6014e902STakashi Iwai } 49*6014e902STakashi Iwai 50*6014e902STakashi Iwai static void cs35l56_hda_i2c_remove(struct i2c_client *clt) 51*6014e902STakashi Iwai { 52*6014e902STakashi Iwai cs35l56_hda_remove(&clt->dev); 53*6014e902STakashi Iwai } 54*6014e902STakashi Iwai 55*6014e902STakashi Iwai static const struct i2c_device_id cs35l56_hda_i2c_id[] = { 56*6014e902STakashi Iwai { "cs35l54-hda", 0x3554 }, 57*6014e902STakashi Iwai { "cs35l56-hda", 0x3556 }, 58*6014e902STakashi Iwai { "cs35l57-hda", 0x3557 }, 59*6014e902STakashi Iwai {} 60*6014e902STakashi Iwai }; 61*6014e902STakashi Iwai 62*6014e902STakashi Iwai static const struct acpi_device_id cs35l56_acpi_hda_match[] = { 63*6014e902STakashi Iwai { "CSC3554", 0 }, 64*6014e902STakashi Iwai { "CSC3556", 0 }, 65*6014e902STakashi Iwai { "CSC3557", 0 }, 66*6014e902STakashi Iwai {} 67*6014e902STakashi Iwai }; 68*6014e902STakashi Iwai MODULE_DEVICE_TABLE(acpi, cs35l56_acpi_hda_match); 69*6014e902STakashi Iwai 70*6014e902STakashi Iwai static struct i2c_driver cs35l56_hda_i2c_driver = { 71*6014e902STakashi Iwai .driver = { 72*6014e902STakashi Iwai .name = "cs35l56-hda", 73*6014e902STakashi Iwai .acpi_match_table = cs35l56_acpi_hda_match, 74*6014e902STakashi Iwai .pm = &cs35l56_hda_pm_ops, 75*6014e902STakashi Iwai }, 76*6014e902STakashi Iwai .id_table = cs35l56_hda_i2c_id, 77*6014e902STakashi Iwai .probe = cs35l56_hda_i2c_probe, 78*6014e902STakashi Iwai .remove = cs35l56_hda_i2c_remove, 79*6014e902STakashi Iwai }; 80*6014e902STakashi Iwai module_i2c_driver(cs35l56_hda_i2c_driver); 81*6014e902STakashi Iwai 82*6014e902STakashi Iwai MODULE_DESCRIPTION("HDA CS35L56 I2C driver"); 83*6014e902STakashi Iwai MODULE_IMPORT_NS("SND_HDA_SCODEC_CS35L56"); 84*6014e902STakashi Iwai MODULE_IMPORT_NS("SND_SOC_CS35L56_SHARED"); 85*6014e902STakashi Iwai MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>"); 86*6014e902STakashi Iwai MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>"); 87*6014e902STakashi Iwai MODULE_LICENSE("GPL"); 88