| /* |
| * i2c driver for hmc5843/5843/5883/5883l/5983 |
| * |
| * Split from hmc5843.c |
| * 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/i2c.h> |
| #include <linux/regmap.h> |
| #include <linux/iio/iio.h> |
| #include <linux/iio/triggered_buffer.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_i2c_regmap_config = { |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .rd_table = &hmc5843_readable_table, |
| .wr_table = &hmc5843_writable_table, |
| .volatile_table = &hmc5843_volatile_table, |
| |
| .cache_type = REGCACHE_RBTREE, |
| }; |
| |
| static int hmc5843_i2c_probe(struct i2c_client *cli, |
| const struct i2c_device_id *id) |
| { |
| return hmc5843_common_probe(&cli->dev, |
| devm_regmap_init_i2c(cli, &hmc5843_i2c_regmap_config), |
| id->driver_data, id->name); |
| } |
| |
| static int hmc5843_i2c_remove(struct i2c_client *client) |
| { |
| return hmc5843_common_remove(&client->dev); |
| } |
| |
| static const struct i2c_device_id hmc5843_id[] = { |
| { "hmc5843", HMC5843_ID }, |
| { "hmc5883", HMC5883_ID }, |
| { "hmc5883l", HMC5883L_ID }, |
| { "hmc5983", HMC5983_ID }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(i2c, hmc5843_id); |
| |
| static const struct of_device_id hmc5843_of_match[] = { |
| { .compatible = "honeywell,hmc5843", .data = (void *)HMC5843_ID }, |
| { .compatible = "honeywell,hmc5883", .data = (void *)HMC5883_ID }, |
| { .compatible = "honeywell,hmc5883l", .data = (void *)HMC5883L_ID }, |
| { .compatible = "honeywell,hmc5983", .data = (void *)HMC5983_ID }, |
| {} |
| }; |
| MODULE_DEVICE_TABLE(of, hmc5843_of_match); |
| |
| static struct i2c_driver hmc5843_driver = { |
| .driver = { |
| .name = "hmc5843", |
| .pm = HMC5843_PM_OPS, |
| .of_match_table = hmc5843_of_match, |
| }, |
| .id_table = hmc5843_id, |
| .probe = hmc5843_i2c_probe, |
| .remove = hmc5843_i2c_remove, |
| }; |
| module_i2c_driver(hmc5843_driver); |
| |
| MODULE_AUTHOR("Josef Gajdusek <atx@atx.name>"); |
| MODULE_DESCRIPTION("HMC5843/5883/5883L/5983 i2c driver"); |
| MODULE_LICENSE("GPL"); |