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- // SPDX-License-Identifier: GPL-2.0
- /*
- * Support for PNI RM3100 3-axis geomagnetic sensor on a i2c bus.
- *
- * Copyright (C) 2018 Song Qiang <[email protected]>
- *
- * 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 <[email protected]>");
- MODULE_DESCRIPTION("PNI RM3100 3-axis magnetometer i2c driver");
- MODULE_LICENSE("GPL v2");
- MODULE_IMPORT_NS(IIO_RM3100);
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