From 70e3e56e6c3d499be47322037ed4a42314a8e509 Mon Sep 17 00:00:00 2001 From: Jacob Siverskog Date: Fri, 22 Jan 2016 13:39:54 +0100 Subject: ASoC: pcm179x: Add I2C interface driver The PCM179x family supports both SPI and I2C. This patch adds support for the I2C interface. Signed-off-by: Jacob Siverskog Reviewed-by: Johan Hovold Acked-by: Michael Trimarchi Signed-off-by: Mark Brown --- sound/soc/codecs/pcm179x-i2c.c | 73 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 sound/soc/codecs/pcm179x-i2c.c (limited to 'sound/soc/codecs/pcm179x-i2c.c') diff --git a/sound/soc/codecs/pcm179x-i2c.c b/sound/soc/codecs/pcm179x-i2c.c new file mode 100644 index 000000000000..4118106abb8d --- /dev/null +++ b/sound/soc/codecs/pcm179x-i2c.c @@ -0,0 +1,73 @@ +/* + * PCM179X ASoC I2C driver + * + * Copyright (c) Teenage Engineering AB 2016 + * + * Jacob Siverskog + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include + +#include "pcm179x.h" + +static int pcm179x_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct regmap *regmap; + int ret; + + regmap = devm_regmap_init_i2c(client, &pcm179x_regmap_config); + if (IS_ERR(regmap)) { + ret = PTR_ERR(regmap); + dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret); + return ret; + } + + return pcm179x_common_init(&client->dev, regmap); +} + +static int pcm179x_i2c_remove(struct i2c_client *client) +{ + return pcm179x_common_exit(&client->dev); +} + +static const struct of_device_id pcm179x_of_match[] = { + { .compatible = "ti,pcm1792a", }, + { } +}; +MODULE_DEVICE_TABLE(of, pcm179x_of_match); + +static const struct i2c_device_id pcm179x_i2c_ids[] = { + { "pcm179x", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, pcm179x_i2c_ids); + +static struct i2c_driver pcm179x_i2c_driver = { + .driver = { + .name = "pcm179x", + .of_match_table = of_match_ptr(pcm179x_of_match), + }, + .id_table = pcm179x_i2c_ids, + .probe = pcm179x_i2c_probe, + .remove = pcm179x_i2c_remove, +}; + +module_i2c_driver(pcm179x_i2c_driver); + +MODULE_DESCRIPTION("ASoC PCM179X I2C driver"); +MODULE_AUTHOR("Jacob Siverskog "); +MODULE_LICENSE("GPL"); -- cgit v1.2.3-55-g7522