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