1d2912cb1SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
27247645fSCristina Moraru /*
37247645fSCristina Moraru * i2c driver for hmc5843/5843/5883/5883l/5983
47247645fSCristina Moraru *
57247645fSCristina Moraru * Split from hmc5843.c
67247645fSCristina Moraru * Copyright (C) Josef Gajdusek <atx@atx.name>
77247645fSCristina Moraru */
87247645fSCristina Moraru
97247645fSCristina Moraru #include <linux/module.h>
107247645fSCristina Moraru #include <linux/i2c.h>
117247645fSCristina Moraru #include <linux/regmap.h>
127247645fSCristina Moraru #include <linux/iio/iio.h>
137247645fSCristina Moraru #include <linux/iio/triggered_buffer.h>
147247645fSCristina Moraru
157247645fSCristina Moraru #include "hmc5843.h"
167247645fSCristina Moraru
177247645fSCristina Moraru static const struct regmap_range hmc5843_readable_ranges[] = {
187247645fSCristina Moraru regmap_reg_range(0, HMC5843_ID_END),
197247645fSCristina Moraru };
207247645fSCristina Moraru
217247645fSCristina Moraru static const struct regmap_access_table hmc5843_readable_table = {
227247645fSCristina Moraru .yes_ranges = hmc5843_readable_ranges,
237247645fSCristina Moraru .n_yes_ranges = ARRAY_SIZE(hmc5843_readable_ranges),
247247645fSCristina Moraru };
257247645fSCristina Moraru
267247645fSCristina Moraru static const struct regmap_range hmc5843_writable_ranges[] = {
277247645fSCristina Moraru regmap_reg_range(0, HMC5843_MODE_REG),
287247645fSCristina Moraru };
297247645fSCristina Moraru
307247645fSCristina Moraru static const struct regmap_access_table hmc5843_writable_table = {
317247645fSCristina Moraru .yes_ranges = hmc5843_writable_ranges,
327247645fSCristina Moraru .n_yes_ranges = ARRAY_SIZE(hmc5843_writable_ranges),
337247645fSCristina Moraru };
347247645fSCristina Moraru
357247645fSCristina Moraru static const struct regmap_range hmc5843_volatile_ranges[] = {
367247645fSCristina Moraru regmap_reg_range(HMC5843_DATA_OUT_MSB_REGS, HMC5843_STATUS_REG),
377247645fSCristina Moraru };
387247645fSCristina Moraru
397247645fSCristina Moraru static const struct regmap_access_table hmc5843_volatile_table = {
407247645fSCristina Moraru .yes_ranges = hmc5843_volatile_ranges,
417247645fSCristina Moraru .n_yes_ranges = ARRAY_SIZE(hmc5843_volatile_ranges),
427247645fSCristina Moraru };
437247645fSCristina Moraru
447247645fSCristina Moraru static const struct regmap_config hmc5843_i2c_regmap_config = {
457247645fSCristina Moraru .reg_bits = 8,
467247645fSCristina Moraru .val_bits = 8,
477247645fSCristina Moraru
487247645fSCristina Moraru .rd_table = &hmc5843_readable_table,
497247645fSCristina Moraru .wr_table = &hmc5843_writable_table,
507247645fSCristina Moraru .volatile_table = &hmc5843_volatile_table,
517247645fSCristina Moraru
527247645fSCristina Moraru .cache_type = REGCACHE_RBTREE,
537247645fSCristina Moraru };
547247645fSCristina Moraru
hmc5843_i2c_probe(struct i2c_client * cli)55bcf73c37SUwe Kleine-König static int hmc5843_i2c_probe(struct i2c_client *cli)
567247645fSCristina Moraru {
57bcf73c37SUwe Kleine-König const struct i2c_device_id *id = i2c_client_get_device_id(cli);
58536cc27dSKangjie Lu struct regmap *regmap = devm_regmap_init_i2c(cli,
59536cc27dSKangjie Lu &hmc5843_i2c_regmap_config);
60536cc27dSKangjie Lu if (IS_ERR(regmap))
61536cc27dSKangjie Lu return PTR_ERR(regmap);
62536cc27dSKangjie Lu
637247645fSCristina Moraru return hmc5843_common_probe(&cli->dev,
64536cc27dSKangjie Lu regmap,
657247645fSCristina Moraru id->driver_data, id->name);
667247645fSCristina Moraru }
677247645fSCristina Moraru
hmc5843_i2c_remove(struct i2c_client * client)68ed5c2f5fSUwe Kleine-König static void hmc5843_i2c_remove(struct i2c_client *client)
697247645fSCristina Moraru {
704b6fb9f3SUwe Kleine-König hmc5843_common_remove(&client->dev);
717247645fSCristina Moraru }
727247645fSCristina Moraru
737247645fSCristina Moraru static const struct i2c_device_id hmc5843_id[] = {
747247645fSCristina Moraru { "hmc5843", HMC5843_ID },
757247645fSCristina Moraru { "hmc5883", HMC5883_ID },
767247645fSCristina Moraru { "hmc5883l", HMC5883L_ID },
777247645fSCristina Moraru { "hmc5983", HMC5983_ID },
787247645fSCristina Moraru { }
797247645fSCristina Moraru };
807247645fSCristina Moraru MODULE_DEVICE_TABLE(i2c, hmc5843_id);
817247645fSCristina Moraru
827247645fSCristina Moraru static const struct of_device_id hmc5843_of_match[] = {
837247645fSCristina Moraru { .compatible = "honeywell,hmc5843", .data = (void *)HMC5843_ID },
847247645fSCristina Moraru { .compatible = "honeywell,hmc5883", .data = (void *)HMC5883_ID },
857247645fSCristina Moraru { .compatible = "honeywell,hmc5883l", .data = (void *)HMC5883L_ID },
867247645fSCristina Moraru { .compatible = "honeywell,hmc5983", .data = (void *)HMC5983_ID },
877247645fSCristina Moraru {}
887247645fSCristina Moraru };
897247645fSCristina Moraru MODULE_DEVICE_TABLE(of, hmc5843_of_match);
907247645fSCristina Moraru
917247645fSCristina Moraru static struct i2c_driver hmc5843_driver = {
927247645fSCristina Moraru .driver = {
937247645fSCristina Moraru .name = "hmc5843",
9471041f73SJonathan Cameron .pm = pm_sleep_ptr(&hmc5843_pm_ops),
957247645fSCristina Moraru .of_match_table = hmc5843_of_match,
967247645fSCristina Moraru },
977247645fSCristina Moraru .id_table = hmc5843_id,
98*7cf15f42SUwe Kleine-König .probe = hmc5843_i2c_probe,
997247645fSCristina Moraru .remove = hmc5843_i2c_remove,
1007247645fSCristina Moraru };
1017247645fSCristina Moraru module_i2c_driver(hmc5843_driver);
1027247645fSCristina Moraru
1037247645fSCristina Moraru MODULE_AUTHOR("Josef Gajdusek <atx@atx.name>");
1047247645fSCristina Moraru MODULE_DESCRIPTION("HMC5843/5883/5883L/5983 i2c driver");
1057247645fSCristina Moraru MODULE_LICENSE("GPL");
1067e615cafSJonathan Cameron MODULE_IMPORT_NS(IIO_HMC5843);
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