Release 4.11 drivers/iio/magnetometer/hmc5843_spi.c
/*
* SPI driver for hmc5983
*
* Copyright (C) Josef Gajdusek <atx@atx.name>
*
* 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.
*/
#include <linux/module.h>
#include <linux/spi/spi.h>
#include <linux/iio/iio.h>
#include "hmc5843.h"
static const struct regmap_range hmc5843_readable_ranges[] = {
regmap_reg_range(0, HMC5843_ID_END),
};
static const struct regmap_access_table hmc5843_readable_table = {
.yes_ranges = hmc5843_readable_ranges,
.n_yes_ranges = ARRAY_SIZE(hmc5843_readable_ranges),
};
static const struct regmap_range hmc5843_writable_ranges[] = {
regmap_reg_range(0, HMC5843_MODE_REG),
};
static const struct regmap_access_table hmc5843_writable_table = {
.yes_ranges = hmc5843_writable_ranges,
.n_yes_ranges = ARRAY_SIZE(hmc5843_writable_ranges),
};
static const struct regmap_range hmc5843_volatile_ranges[] = {
regmap_reg_range(HMC5843_DATA_OUT_MSB_REGS, HMC5843_STATUS_REG),
};
static const struct regmap_access_table hmc5843_volatile_table = {
.yes_ranges = hmc5843_volatile_ranges,
.n_yes_ranges = ARRAY_SIZE(hmc5843_volatile_ranges),
};
static const struct regmap_config hmc5843_spi_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.rd_table = &hmc5843_readable_table,
.wr_table = &hmc5843_writable_table,
.volatile_table = &hmc5843_volatile_table,
/* Autoincrement address pointer */
.read_flag_mask = 0xc0,
.cache_type = REGCACHE_RBTREE,
};
static int hmc5843_spi_probe(struct spi_device *spi)
{
int ret;
const struct spi_device_id *id = spi_get_device_id(spi);
spi->mode = SPI_MODE_3;
spi->max_speed_hz = 8000000;
spi->bits_per_word = 8;
ret = spi_setup(spi);
if (ret)
return ret;
return hmc5843_common_probe(&spi->dev,
devm_regmap_init_spi(spi, &hmc5843_spi_regmap_config),
id->driver_data, id->name);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Josef Gajdusek | 64 | 78.05% | 1 | 50.00% |
| Yong Li | 18 | 21.95% | 1 | 50.00% |
| Total | 82 | 100.00% | 2 | 100.00% |
static int hmc5843_spi_remove(struct spi_device *spi)
{
return hmc5843_common_remove(&spi->dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Josef Gajdusek | 20 | 100.00% | 1 | 100.00% |
| Total | 20 | 100.00% | 1 | 100.00% |
static const struct spi_device_id hmc5843_id[] = {
{ "hmc5983", HMC5983_ID },
{ }
};
MODULE_DEVICE_TABLE(spi, hmc5843_id);
static struct spi_driver hmc5843_driver = {
.driver = {
.name = "hmc5843",
.pm = HMC5843_PM_OPS,
},
.id_table = hmc5843_id,
.probe = hmc5843_spi_probe,
.remove = hmc5843_spi_remove,
};
module_spi_driver(hmc5843_driver);
MODULE_AUTHOR("Josef Gajdusek <atx@atx.name>");
MODULE_DESCRIPTION("HMC5983 SPI driver");
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Josef Gajdusek | 324 | 91.53% | 1 | 20.00% |
| Yong Li | 18 | 5.08% | 1 | 20.00% |
| Javier Martinez Canillas | 7 | 1.98% | 1 | 20.00% |
| Krzysztof Kozlowski | 4 | 1.13% | 1 | 20.00% |
| Cristina Moraru | 1 | 0.28% | 1 | 20.00% |
| Total | 354 | 100.00% | 5 | 100.00% |
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