Contributors: 8
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Michael Hennerich |
241 |
68.27% |
3 |
18.75% |
Stefan Popa |
60 |
17.00% |
3 |
18.75% |
Lars-Peter Clausen |
25 |
7.08% |
5 |
31.25% |
Beniamin Bia |
13 |
3.68% |
1 |
6.25% |
Alexandru Ardelean |
6 |
1.70% |
1 |
6.25% |
Ksenija Stanojevic |
5 |
1.42% |
1 |
6.25% |
Arnd Bergmann |
2 |
0.57% |
1 |
6.25% |
Jonathan Cameron |
1 |
0.28% |
1 |
6.25% |
Total |
353 |
|
16 |
|
// SPDX-License-Identifier: GPL-2.0
/*
* AD7606 SPI ADC driver
*
* Copyright 2011 Analog Devices Inc.
*/
#include <linux/module.h>
#include <linux/spi/spi.h>
#include <linux/types.h>
#include <linux/err.h>
#include <linux/iio/iio.h>
#include "ad7606.h"
#define MAX_SPI_FREQ_HZ 23500000 /* VDRIVE above 4.75 V */
static int ad7606_spi_read_block(struct device *dev,
int count, void *buf)
{
struct spi_device *spi = to_spi_device(dev);
int i, ret;
unsigned short *data = buf;
__be16 *bdata = buf;
ret = spi_read(spi, buf, count * 2);
if (ret < 0) {
dev_err(&spi->dev, "SPI read error\n");
return ret;
}
for (i = 0; i < count; i++)
data[i] = be16_to_cpu(bdata[i]);
return 0;
}
static const struct ad7606_bus_ops ad7606_spi_bops = {
.read_block = ad7606_spi_read_block,
};
static int ad7606_spi_probe(struct spi_device *spi)
{
const struct spi_device_id *id = spi_get_device_id(spi);
return ad7606_probe(&spi->dev, spi->irq, NULL,
id->name, id->driver_data,
&ad7606_spi_bops);
}
static const struct spi_device_id ad7606_id_table[] = {
{ "ad7605-4", ID_AD7605_4 },
{ "ad7606-4", ID_AD7606_4 },
{ "ad7606-6", ID_AD7606_6 },
{ "ad7606-8", ID_AD7606_8 },
{ "ad7616", ID_AD7616 },
{}
};
MODULE_DEVICE_TABLE(spi, ad7606_id_table);
static const struct of_device_id ad7606_of_match[] = {
{ .compatible = "adi,ad7605-4" },
{ .compatible = "adi,ad7606-4" },
{ .compatible = "adi,ad7606-6" },
{ .compatible = "adi,ad7606-8" },
{ .compatible = "adi,ad7616" },
{ },
};
MODULE_DEVICE_TABLE(of, ad7606_of_match);
static struct spi_driver ad7606_driver = {
.driver = {
.name = "ad7606",
.of_match_table = ad7606_of_match,
.pm = AD7606_PM_OPS,
},
.probe = ad7606_spi_probe,
.id_table = ad7606_id_table,
};
module_spi_driver(ad7606_driver);
MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
MODULE_DESCRIPTION("Analog Devices AD7606 ADC");
MODULE_LICENSE("GPL v2");