Contributors: 4
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Lorenzo Bianconi |
235 |
95.53% |
4 |
50.00% |
Jonathan Cameron |
8 |
3.25% |
2 |
25.00% |
Thomas Gleixner |
2 |
0.81% |
1 |
12.50% |
Andy Shevchenko |
1 |
0.41% |
1 |
12.50% |
Total |
246 |
|
8 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* STMicroelectronics hts221 spi driver
*
* Copyright 2016 STMicroelectronics Inc.
*
* Lorenzo Bianconi <lorenzo.bianconi@st.com>
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/regmap.h>
#include "hts221.h"
#define HTS221_SPI_READ BIT(7)
#define HTS221_SPI_AUTO_INCREMENT BIT(6)
static const struct regmap_config hts221_spi_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.write_flag_mask = HTS221_SPI_AUTO_INCREMENT,
.read_flag_mask = HTS221_SPI_READ | HTS221_SPI_AUTO_INCREMENT,
};
static int hts221_spi_probe(struct spi_device *spi)
{
struct regmap *regmap;
regmap = devm_regmap_init_spi(spi, &hts221_spi_regmap_config);
if (IS_ERR(regmap)) {
dev_err(&spi->dev, "Failed to register spi regmap %ld\n",
PTR_ERR(regmap));
return PTR_ERR(regmap);
}
return hts221_probe(&spi->dev, spi->irq,
spi->modalias, regmap);
}
static const struct of_device_id hts221_spi_of_match[] = {
{ .compatible = "st,hts221", },
{},
};
MODULE_DEVICE_TABLE(of, hts221_spi_of_match);
static const struct spi_device_id hts221_spi_id_table[] = {
{ HTS221_DEV_NAME },
{},
};
MODULE_DEVICE_TABLE(spi, hts221_spi_id_table);
static struct spi_driver hts221_driver = {
.driver = {
.name = "hts221_spi",
.pm = pm_sleep_ptr(&hts221_pm_ops),
.of_match_table = hts221_spi_of_match,
},
.probe = hts221_spi_probe,
.id_table = hts221_spi_id_table,
};
module_spi_driver(hts221_driver);
MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
MODULE_DESCRIPTION("STMicroelectronics hts221 spi driver");
MODULE_LICENSE("GPL v2");
MODULE_IMPORT_NS(IIO_HTS221);