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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * wm8804-i2c.c -- WM8804 S/PDIF transceiver driver - I2C4 *5 * Copyright 2015 Cirrus Logic Inc6 *7 * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>8 */9 10#include <linux/init.h>11#include <linux/module.h>12#include <linux/i2c.h>13#include <linux/acpi.h>14 15#include "wm8804.h"16 17static int wm8804_i2c_probe(struct i2c_client *i2c)18{19 struct regmap *regmap;20 21 regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);22 if (IS_ERR(regmap))23 return PTR_ERR(regmap);24 25 return wm8804_probe(&i2c->dev, regmap);26}27 28static void wm8804_i2c_remove(struct i2c_client *i2c)29{30 wm8804_remove(&i2c->dev);31}32 33static const struct i2c_device_id wm8804_i2c_id[] = {34 { "wm8804" },35 { }36};37MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);38 39#if defined(CONFIG_OF)40static const struct of_device_id wm8804_of_match[] = {41 { .compatible = "wlf,wm8804", },42 { }43};44MODULE_DEVICE_TABLE(of, wm8804_of_match);45#endif46 47#ifdef CONFIG_ACPI48static const struct acpi_device_id wm8804_acpi_match[] = {49 { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */50 { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */51 { },52};53MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match);54#endif55 56static struct i2c_driver wm8804_i2c_driver = {57 .driver = {58 .name = "wm8804",59 .pm = &wm8804_pm,60 .of_match_table = of_match_ptr(wm8804_of_match),61 .acpi_match_table = ACPI_PTR(wm8804_acpi_match),62 },63 .probe = wm8804_i2c_probe,64 .remove = wm8804_i2c_remove,65 .id_table = wm8804_i2c_id66};67 68module_i2c_driver(wm8804_i2c_driver);69 70MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");71MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");72MODULE_LICENSE("GPL");73