projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| bbed297d CK |
2 | /* |
| 3 | * wm8804-i2c.c -- WM8804 S/PDIF transceiver driver - I2C | |
| 4 | * | |
| 5 | * Copyright 2015 Cirrus Logic Inc | |
| 6 | * | |
| 7 | * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | |
| bbed297d CK |
8 | */ |
| 9 | ||
| 10 | #include <linux/init.h> | |
| 11 | #include <linux/module.h> | |
| 12 | #include <linux/i2c.h> | |
| 960cdd50 | 13 | #include <linux/acpi.h> |
| bbed297d CK |
14 | |
| 15 | #include "wm8804.h" | |
| 16 | ||
| 17 | static int wm8804_i2c_probe(struct i2c_client *i2c, | |
| 18 | const struct i2c_device_id *id) | |
| 19 | { | |
| 20 | struct regmap *regmap; | |
| 21 | ||
| 22 | regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config); | |
| 23 | if (IS_ERR(regmap)) | |
| 24 | return PTR_ERR(regmap); | |
| 25 | ||
| 26 | return wm8804_probe(&i2c->dev, regmap); | |
| 27 | } | |
| 28 | ||
| 29 | static int wm8804_i2c_remove(struct i2c_client *i2c) | |
| 30 | { | |
| 31 | wm8804_remove(&i2c->dev); | |
| 32 | return 0; | |
| 33 | } | |
| 34 | ||
| 35 | static const struct i2c_device_id wm8804_i2c_id[] = { | |
| 36 | { "wm8804", 0 }, | |
| 37 | { } | |
| 38 | }; | |
| 39 | MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id); | |
| 40 | ||
| 960cdd50 | 41 | #if defined(CONFIG_OF) |
| bbed297d CK |
42 | static const struct of_device_id wm8804_of_match[] = { |
| 43 | { .compatible = "wlf,wm8804", }, | |
| 44 | { } | |
| 45 | }; | |
| 46 | MODULE_DEVICE_TABLE(of, wm8804_of_match); | |
| 960cdd50 PLB |
47 | #endif |
| 48 | ||
| 49 | #ifdef CONFIG_ACPI | |
| 50 | static const struct acpi_device_id wm8804_acpi_match[] = { | |
| 51 | { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */ | |
| 52 | { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */ | |
| 53 | { }, | |
| 54 | }; | |
| 55 | MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match); | |
| 56 | #endif | |
| bbed297d CK |
57 | |
| 58 | static struct i2c_driver wm8804_i2c_driver = { | |
| 59 | .driver = { | |
| 60 | .name = "wm8804", | |
| 1a60667f | 61 | .pm = &wm8804_pm, |
| 960cdd50 PLB |
62 | .of_match_table = of_match_ptr(wm8804_of_match), |
| 63 | .acpi_match_table = ACPI_PTR(wm8804_acpi_match), | |
| bbed297d CK |
64 | }, |
| 65 | .probe = wm8804_i2c_probe, | |
| 66 | .remove = wm8804_i2c_remove, | |
| 67 | .id_table = wm8804_i2c_id | |
| 68 | }; | |
| 69 | ||
| 70 | module_i2c_driver(wm8804_i2c_driver); | |
| 71 | ||
| 72 | MODULE_DESCRIPTION("ASoC WM8804 driver - I2C"); | |
| 73 | MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>"); | |
| 74 | MODULE_LICENSE("GPL"); |