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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
fc35a91b | 2 | /* |
5a059bd2 | 3 | * i2c driver for hmc5843/5843/5883/5883l/5983 |
fc35a91b JG |
4 | * |
5 | * Split from hmc5843.c | |
6 | * Copyright (C) Josef Gajdusek <atx@atx.name> | |
4630adb8 | 7 | */ |
fc35a91b JG |
8 | |
9 | #include <linux/module.h> | |
10 | #include <linux/i2c.h> | |
11 | #include <linux/regmap.h> | |
12 | #include <linux/iio/iio.h> | |
13 | #include <linux/iio/triggered_buffer.h> | |
14 | ||
15 | #include "hmc5843.h" | |
16 | ||
17 | static const struct regmap_range hmc5843_readable_ranges[] = { | |
98a3d2e1 | 18 | regmap_reg_range(0, HMC5843_ID_END), |
fc35a91b JG |
19 | }; |
20 | ||
15313309 | 21 | static const struct regmap_access_table hmc5843_readable_table = { |
98a3d2e1 TC |
22 | .yes_ranges = hmc5843_readable_ranges, |
23 | .n_yes_ranges = ARRAY_SIZE(hmc5843_readable_ranges), | |
fc35a91b JG |
24 | }; |
25 | ||
26 | static const struct regmap_range hmc5843_writable_ranges[] = { | |
98a3d2e1 | 27 | regmap_reg_range(0, HMC5843_MODE_REG), |
fc35a91b JG |
28 | }; |
29 | ||
15313309 | 30 | static const struct regmap_access_table hmc5843_writable_table = { |
98a3d2e1 TC |
31 | .yes_ranges = hmc5843_writable_ranges, |
32 | .n_yes_ranges = ARRAY_SIZE(hmc5843_writable_ranges), | |
fc35a91b JG |
33 | }; |
34 | ||
35 | static const struct regmap_range hmc5843_volatile_ranges[] = { | |
98a3d2e1 | 36 | regmap_reg_range(HMC5843_DATA_OUT_MSB_REGS, HMC5843_STATUS_REG), |
fc35a91b JG |
37 | }; |
38 | ||
15313309 | 39 | static const struct regmap_access_table hmc5843_volatile_table = { |
98a3d2e1 TC |
40 | .yes_ranges = hmc5843_volatile_ranges, |
41 | .n_yes_ranges = ARRAY_SIZE(hmc5843_volatile_ranges), | |
fc35a91b JG |
42 | }; |
43 | ||
15313309 | 44 | static const struct regmap_config hmc5843_i2c_regmap_config = { |
98a3d2e1 TC |
45 | .reg_bits = 8, |
46 | .val_bits = 8, | |
fc35a91b | 47 | |
98a3d2e1 TC |
48 | .rd_table = &hmc5843_readable_table, |
49 | .wr_table = &hmc5843_writable_table, | |
50 | .volatile_table = &hmc5843_volatile_table, | |
fc35a91b | 51 | |
98a3d2e1 | 52 | .cache_type = REGCACHE_RBTREE, |
fc35a91b JG |
53 | }; |
54 | ||
bcf73c37 | 55 | static int hmc5843_i2c_probe(struct i2c_client *cli) |
fc35a91b | 56 | { |
bcf73c37 | 57 | const struct i2c_device_id *id = i2c_client_get_device_id(cli); |
536cc27d KL |
58 | struct regmap *regmap = devm_regmap_init_i2c(cli, |
59 | &hmc5843_i2c_regmap_config); | |
60 | if (IS_ERR(regmap)) | |
61 | return PTR_ERR(regmap); | |
62 | ||
aa6432f1 | 63 | return hmc5843_common_probe(&cli->dev, |
536cc27d | 64 | regmap, |
70b2737e | 65 | id->driver_data, id->name); |
fc35a91b JG |
66 | } |
67 | ||
ed5c2f5f | 68 | static void hmc5843_i2c_remove(struct i2c_client *client) |
fc35a91b | 69 | { |
4b6fb9f3 | 70 | hmc5843_common_remove(&client->dev); |
fc35a91b JG |
71 | } |
72 | ||
73 | static const struct i2c_device_id hmc5843_id[] = { | |
74 | { "hmc5843", HMC5843_ID }, | |
75 | { "hmc5883", HMC5883_ID }, | |
76 | { "hmc5883l", HMC5883L_ID }, | |
5a059bd2 | 77 | { "hmc5983", HMC5983_ID }, |
fc35a91b JG |
78 | { } |
79 | }; | |
80 | MODULE_DEVICE_TABLE(i2c, hmc5843_id); | |
81 | ||
82 | static const struct of_device_id hmc5843_of_match[] = { | |
83 | { .compatible = "honeywell,hmc5843", .data = (void *)HMC5843_ID }, | |
84 | { .compatible = "honeywell,hmc5883", .data = (void *)HMC5883_ID }, | |
85 | { .compatible = "honeywell,hmc5883l", .data = (void *)HMC5883L_ID }, | |
5a059bd2 | 86 | { .compatible = "honeywell,hmc5983", .data = (void *)HMC5983_ID }, |
fc35a91b JG |
87 | {} |
88 | }; | |
89 | MODULE_DEVICE_TABLE(of, hmc5843_of_match); | |
90 | ||
91 | static struct i2c_driver hmc5843_driver = { | |
92 | .driver = { | |
93 | .name = "hmc5843", | |
71041f73 | 94 | .pm = pm_sleep_ptr(&hmc5843_pm_ops), |
fc35a91b JG |
95 | .of_match_table = hmc5843_of_match, |
96 | }, | |
97 | .id_table = hmc5843_id, | |
7cf15f42 | 98 | .probe = hmc5843_i2c_probe, |
fc35a91b JG |
99 | .remove = hmc5843_i2c_remove, |
100 | }; | |
101 | module_i2c_driver(hmc5843_driver); | |
102 | ||
103 | MODULE_AUTHOR("Josef Gajdusek <atx@atx.name>"); | |
5a059bd2 | 104 | MODULE_DESCRIPTION("HMC5843/5883/5883L/5983 i2c driver"); |
fc35a91b | 105 | MODULE_LICENSE("GPL"); |
7e615caf | 106 | MODULE_IMPORT_NS(IIO_HMC5843); |