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/*
* tlv320aic325x-spi.c -- driver for TLV320AIC3XXX
*
* Author: Mukund Navada <navada@ti.com>
* Mehar Bajwa <mehar.bajwa@ti.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/err.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
#include <linux/mfd/tlv320aic325x-core.h>
struct regmap_config aic325x_spi_regmap = {
.reg_bits = 7,
.val_bits = 8,
.cache_type = REGCACHE_NONE,
.read_flag_mask = 0x1,
.pad_bits = 1,
};
static int tlv320aic325x_spi_probe(struct spi_device *spi)
{
const struct spi_device_id *id = spi_get_device_id(spi);
struct aic325x *aic325x;
const struct regmap_config *regmap_config;
int ret;
regmap_config = &aic325x_spi_regmap;
aic325x = devm_kzalloc(&spi->dev, sizeof(struct aic325x), GFP_KERNEL);
if (aic325x == NULL)
return -ENOMEM;
aic325x->regmap = devm_regmap_init_spi(spi, regmap_config);
if (IS_ERR(aic325x->regmap)) {
ret = PTR_ERR(aic325x->regmap);
dev_err(&spi->dev, "Failed to allocate register map: %d\n",
ret);
return ret;
}
aic325x->type = id->driver_data;
aic325x->dev = &spi->dev;
aic325x->irq = spi->irq;
return aic325x_device_init(aic325x);
}
static int tlv320aic325x_spi_remove(struct spi_device *spi)
{
struct aic325x *aic325x = dev_get_drvdata(&spi->dev);
aic325x_device_exit(aic325x);
return 0;
}
static const struct spi_device_id aic325x_spi_ids[] = {
{"tlv320aic3262", TLV320AIC3262},
{"tlv320aic325x", TLV320AIC3256},
{ }
};
MODULE_DEVICE_TABLE(spi, aic325x_spi_ids);
static struct spi_driver aic325x_spi_driver = {
.driver = {
.name = "tlv320aic325x",
.owner = THIS_MODULE,
},
.probe = tlv320aic325x_spi_probe,
.remove = tlv320aic325x_spi_remove,
.id_table = aic325x_spi_ids,
};
module_spi_driver(aic325x_spi_driver);
MODULE_DESCRIPTION("AIC3XXX SPI bus interface");
MODULE_AUTHOR("Mukund Navada <navada@ti.com>");
MODULE_LICENSE("GPL");
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