diff options
Diffstat (limited to 'sound/soc/codecs/pcm512x-i2c.c')
-rw-r--r-- | sound/soc/codecs/pcm512x-i2c.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/sound/soc/codecs/pcm512x-i2c.c b/sound/soc/codecs/pcm512x-i2c.c new file mode 100644 index 000000000..9dfbbe8f4 --- /dev/null +++ b/sound/soc/codecs/pcm512x-i2c.c @@ -0,0 +1,84 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Driver for the PCM512x CODECs + * + * Author: Mark Brown <broonie@kernel.org> + * Copyright 2014 Linaro Ltd + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/acpi.h> + +#include "pcm512x.h" + +static int pcm512x_i2c_probe(struct i2c_client *i2c) +{ + struct regmap *regmap; + struct regmap_config config = pcm512x_regmap; + + /* msb needs to be set to enable auto-increment of addresses */ + config.read_flag_mask = 0x80; + config.write_flag_mask = 0x80; + + regmap = devm_regmap_init_i2c(i2c, &config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + return pcm512x_probe(&i2c->dev, regmap); +} + +static void pcm512x_i2c_remove(struct i2c_client *i2c) +{ + pcm512x_remove(&i2c->dev); +} + +static const struct i2c_device_id pcm512x_i2c_id[] = { + { "pcm5121", }, + { "pcm5122", }, + { "pcm5141", }, + { "pcm5142", }, + { } +}; +MODULE_DEVICE_TABLE(i2c, pcm512x_i2c_id); + +#if defined(CONFIG_OF) +static const struct of_device_id pcm512x_of_match[] = { + { .compatible = "ti,pcm5121", }, + { .compatible = "ti,pcm5122", }, + { .compatible = "ti,pcm5141", }, + { .compatible = "ti,pcm5142", }, + { } +}; +MODULE_DEVICE_TABLE(of, pcm512x_of_match); +#endif + +#ifdef CONFIG_ACPI +static const struct acpi_device_id pcm512x_acpi_match[] = { + { "104C5121", 0 }, + { "104C5122", 0 }, + { "104C5141", 0 }, + { "104C5142", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, pcm512x_acpi_match); +#endif + +static struct i2c_driver pcm512x_i2c_driver = { + .probe_new = pcm512x_i2c_probe, + .remove = pcm512x_i2c_remove, + .id_table = pcm512x_i2c_id, + .driver = { + .name = "pcm512x", + .of_match_table = of_match_ptr(pcm512x_of_match), + .acpi_match_table = ACPI_PTR(pcm512x_acpi_match), + .pm = &pcm512x_pm_ops, + }, +}; + +module_i2c_driver(pcm512x_i2c_driver); + +MODULE_DESCRIPTION("ASoC PCM512x codec driver - I2C"); +MODULE_AUTHOR("Mark Brown <broonie@kernel.org>"); +MODULE_LICENSE("GPL v2"); |