11802d0beSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 222066226SMark Brown /* 322066226SMark Brown * Driver for the PCM512x CODECs 422066226SMark Brown * 5da924c3aSMark Brown * Author: Mark Brown <broonie@kernel.org> 622066226SMark Brown * Copyright 2014 Linaro Ltd 722066226SMark Brown */ 822066226SMark Brown 922066226SMark Brown #include <linux/init.h> 1022066226SMark Brown #include <linux/module.h> 1122066226SMark Brown #include <linux/i2c.h> 12b84f48d1SPierre-Louis Bossart #include <linux/acpi.h> 1322066226SMark Brown 1422066226SMark Brown #include "pcm512x.h" 1522066226SMark Brown 1622066226SMark Brown static int pcm512x_i2c_probe(struct i2c_client *i2c, 1722066226SMark Brown const struct i2c_device_id *id) 1822066226SMark Brown { 1922066226SMark Brown struct regmap *regmap; 20681a1956SPeter Rosin struct regmap_config config = pcm512x_regmap; 2122066226SMark Brown 22681a1956SPeter Rosin /* msb needs to be set to enable auto-increment of addresses */ 23681a1956SPeter Rosin config.read_flag_mask = 0x80; 24681a1956SPeter Rosin config.write_flag_mask = 0x80; 25681a1956SPeter Rosin 26681a1956SPeter Rosin regmap = devm_regmap_init_i2c(i2c, &config); 2722066226SMark Brown if (IS_ERR(regmap)) 2822066226SMark Brown return PTR_ERR(regmap); 2922066226SMark Brown 3022066226SMark Brown return pcm512x_probe(&i2c->dev, regmap); 3122066226SMark Brown } 3222066226SMark Brown 3322066226SMark Brown static int pcm512x_i2c_remove(struct i2c_client *i2c) 3422066226SMark Brown { 3522066226SMark Brown pcm512x_remove(&i2c->dev); 3622066226SMark Brown return 0; 3722066226SMark Brown } 3822066226SMark Brown 3922066226SMark Brown static const struct i2c_device_id pcm512x_i2c_id[] = { 4022066226SMark Brown { "pcm5121", }, 4122066226SMark Brown { "pcm5122", }, 42ba5295e5SPeter Rosin { "pcm5141", }, 43ba5295e5SPeter Rosin { "pcm5142", }, 4422066226SMark Brown { } 4522066226SMark Brown }; 4622066226SMark Brown MODULE_DEVICE_TABLE(i2c, pcm512x_i2c_id); 4722066226SMark Brown 48b84f48d1SPierre-Louis Bossart #if defined(CONFIG_OF) 4922066226SMark Brown static const struct of_device_id pcm512x_of_match[] = { 5022066226SMark Brown { .compatible = "ti,pcm5121", }, 5122066226SMark Brown { .compatible = "ti,pcm5122", }, 52ba5295e5SPeter Rosin { .compatible = "ti,pcm5141", }, 53ba5295e5SPeter Rosin { .compatible = "ti,pcm5142", }, 5422066226SMark Brown { } 5522066226SMark Brown }; 5622066226SMark Brown MODULE_DEVICE_TABLE(of, pcm512x_of_match); 57b84f48d1SPierre-Louis Bossart #endif 58b84f48d1SPierre-Louis Bossart 59b84f48d1SPierre-Louis Bossart #ifdef CONFIG_ACPI 60b84f48d1SPierre-Louis Bossart static const struct acpi_device_id pcm512x_acpi_match[] = { 61b84f48d1SPierre-Louis Bossart { "104C5121", 0 }, 62b84f48d1SPierre-Louis Bossart { "104C5122", 0 }, 63b84f48d1SPierre-Louis Bossart { "104C5141", 0 }, 64b84f48d1SPierre-Louis Bossart { "104C5142", 0 }, 65b84f48d1SPierre-Louis Bossart { }, 66b84f48d1SPierre-Louis Bossart }; 67b84f48d1SPierre-Louis Bossart MODULE_DEVICE_TABLE(acpi, pcm512x_acpi_match); 68b84f48d1SPierre-Louis Bossart #endif 6922066226SMark Brown 7022066226SMark Brown static struct i2c_driver pcm512x_i2c_driver = { 7122066226SMark Brown .probe = pcm512x_i2c_probe, 7222066226SMark Brown .remove = pcm512x_i2c_remove, 7322066226SMark Brown .id_table = pcm512x_i2c_id, 7422066226SMark Brown .driver = { 7522066226SMark Brown .name = "pcm512x", 76b84f48d1SPierre-Louis Bossart .of_match_table = of_match_ptr(pcm512x_of_match), 77b84f48d1SPierre-Louis Bossart .acpi_match_table = ACPI_PTR(pcm512x_acpi_match), 7822066226SMark Brown .pm = &pcm512x_pm_ops, 7922066226SMark Brown }, 8022066226SMark Brown }; 8122066226SMark Brown 8222066226SMark Brown module_i2c_driver(pcm512x_i2c_driver); 8322066226SMark Brown 8422066226SMark Brown MODULE_DESCRIPTION("ASoC PCM512x codec driver - I2C"); 85da924c3aSMark Brown MODULE_AUTHOR("Mark Brown <broonie@kernel.org>"); 8622066226SMark Brown MODULE_LICENSE("GPL v2"); 87