mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* Support for PNI RM3100 3-axis geomagnetic sensor on a i2c bus.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2018 Song Qiang <songqiang1304521@gmail.com>
|
||
|
|
*
|
||
|
|
* i2c slave address: 0x20 + SA1 << 1 + SA0.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
|
||
|
|
#include "rm3100.h"
|
||
|
|
|
||
|
|
static const struct regmap_config rm3100_regmap_config = {
|
||
|
|
.reg_bits = 8,
|
||
|
|
.val_bits = 8,
|
||
|
|
|
||
|
|
.rd_table = &rm3100_readable_table,
|
||
|
|
.wr_table = &rm3100_writable_table,
|
||
|
|
.volatile_table = &rm3100_volatile_table,
|
||
|
|
|
||
|
|
.cache_type = REGCACHE_RBTREE,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int rm3100_probe(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
struct regmap *regmap;
|
||
|
|
|
||
|
|
regmap = devm_regmap_init_i2c(client, &rm3100_regmap_config);
|
||
|
|
if (IS_ERR(regmap))
|
||
|
|
return PTR_ERR(regmap);
|
||
|
|
|
||
|
|
return rm3100_common_probe(&client->dev, regmap, client->irq);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct of_device_id rm3100_dt_match[] = {
|
||
|
|
{ .compatible = "pni,rm3100", },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(of, rm3100_dt_match);
|
||
|
|
|
||
|
|
static struct i2c_driver rm3100_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "rm3100-i2c",
|
||
|
|
.of_match_table = rm3100_dt_match,
|
||
|
|
},
|
||
|
|
.probe_new = rm3100_probe,
|
||
|
|
};
|
||
|
|
module_i2c_driver(rm3100_driver);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Song Qiang <songqiang1304521@gmail.com>");
|
||
|
|
MODULE_DESCRIPTION("PNI RM3100 3-axis magnetometer i2c driver");
|
||
|
|
MODULE_LICENSE("GPL v2");
|