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2884c29152
Add support for the cs530x family of high performance ADCs. Signed-off-by: Paul Handrigan <paulha@opensource.cirrus.com> Link: https://patch.msgid.link/20240621151757.1661265-3-paulha@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// CS530x CODEC driver
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//
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// Copyright (C) 2024 Cirrus Logic, Inc. and
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// Cirrus Logic International Semiconductor Ltd.
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#include <linux/device.h>
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/regmap.h>
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#include "cs530x.h"
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static const struct of_device_id cs530x_of_match[] = {
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{
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.compatible = "cirrus,cs5302",
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.data = (void *)CS5302,
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}, {
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.compatible = "cirrus,cs5304",
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.data = (void *)CS5304,
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}, {
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.compatible = "cirrus,cs5308",
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.data = (void *)CS5308,
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},
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{}
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};
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MODULE_DEVICE_TABLE(of, cs530x_of_match);
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static const struct i2c_device_id cs530x_i2c_id[] = {
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{ "cs5302", CS5302 },
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{ "cs5304", CS5304 },
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{ "cs5308", CS5308 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, cs530x_i2c_id);
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static int cs530x_i2c_probe(struct i2c_client *client)
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{
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struct cs530x_priv *cs530x;
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cs530x = devm_kzalloc(&client->dev, sizeof(*cs530x), GFP_KERNEL);
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if (!cs530x)
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return -ENOMEM;
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i2c_set_clientdata(client, cs530x);
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cs530x->regmap = devm_regmap_init_i2c(client, &cs530x_regmap);
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if (IS_ERR(cs530x->regmap))
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return dev_err_probe(&client->dev, PTR_ERR(cs530x->regmap),
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"Failed to allocate register map\n");
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cs530x->devtype = (uintptr_t)i2c_get_match_data(client);
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cs530x->dev = &client->dev;
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return cs530x_probe(cs530x);
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}
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static struct i2c_driver cs530x_i2c_driver = {
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.driver = {
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.name = "cs530x",
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.of_match_table = cs530x_of_match,
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},
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.probe = cs530x_i2c_probe,
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.id_table = cs530x_i2c_id,
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};
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module_i2c_driver(cs530x_i2c_driver);
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MODULE_DESCRIPTION("I2C CS530X driver");
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MODULE_IMPORT_NS(SND_SOC_CS530X);
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MODULE_AUTHOR("Paul Handrigan, Cirrus Logic Inc, <paulha@opensource.cirrus.com>");
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MODULE_LICENSE("GPL");
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