| 1 | // SPDX-License-Identifier: GPL-2.0-only |
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| 2 | /* |
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| 3 | * Copyright (C) 2022 ROHM Semiconductors |
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| 4 | * |
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| 5 | * ROHM/KIONIX accelerometer driver |
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| 6 | */ |
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| 7 | |
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| 8 | #include <linux/i2c.h> |
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| 9 | #include <linux/interrupt.h> |
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| 10 | #include <linux/module.h> |
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| 11 | #include <linux/regmap.h> |
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| 12 | |
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| 13 | #include "kionix-kx022a.h" |
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| 14 | |
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| 15 | static int kx022a_i2c_probe(struct i2c_client *i2c) |
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| 16 | { |
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| 17 | struct device *dev = &i2c->dev; |
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| 18 | const struct kx022a_chip_info *chip_info; |
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| 19 | struct regmap *regmap; |
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| 20 | |
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| 21 | if (!i2c->irq) { |
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| 22 | dev_err(dev, "No IRQ configured\n" ); |
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| 23 | return -EINVAL; |
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| 24 | } |
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| 25 | |
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| 26 | chip_info = i2c_get_match_data(client: i2c); |
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| 27 | if (!chip_info) |
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| 28 | return -EINVAL; |
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| 29 | |
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| 30 | regmap = devm_regmap_init_i2c(i2c, chip_info->regmap_config); |
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| 31 | if (IS_ERR(ptr: regmap)) |
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| 32 | return dev_err_probe(dev, err: PTR_ERR(ptr: regmap), |
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| 33 | fmt: "Failed to initialize Regmap\n" ); |
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| 34 | |
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| 35 | return kx022a_probe_internal(dev, chip_info); |
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| 36 | } |
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| 37 | |
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| 38 | static const struct i2c_device_id kx022a_i2c_id[] = { |
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| 39 | { .name = "kx022a" , .driver_data = (kernel_ulong_t)&kx022a_chip_info }, |
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| 40 | { .name = "kx132-1211" , .driver_data = (kernel_ulong_t)&kx132_chip_info }, |
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| 41 | { .name = "kx132acr-lbz" , .driver_data = (kernel_ulong_t)&kx132acr_chip_info }, |
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| 42 | { } |
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| 43 | }; |
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| 44 | MODULE_DEVICE_TABLE(i2c, kx022a_i2c_id); |
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| 45 | |
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| 46 | static const struct of_device_id kx022a_of_match[] = { |
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| 47 | { .compatible = "kionix,kx022a" , .data = &kx022a_chip_info }, |
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| 48 | { .compatible = "kionix,kx132-1211" , .data = &kx132_chip_info }, |
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| 49 | { .compatible = "rohm,kx132acr-lbz" , .data = &kx132acr_chip_info }, |
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| 50 | { } |
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| 51 | }; |
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| 52 | MODULE_DEVICE_TABLE(of, kx022a_of_match); |
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| 53 | |
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| 54 | static struct i2c_driver kx022a_i2c_driver = { |
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| 55 | .driver = { |
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| 56 | .name = "kx022a-i2c" , |
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| 57 | .of_match_table = kx022a_of_match, |
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| 58 | .probe_type = PROBE_PREFER_ASYNCHRONOUS, |
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| 59 | }, |
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| 60 | .probe = kx022a_i2c_probe, |
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| 61 | .id_table = kx022a_i2c_id, |
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| 62 | }; |
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| 63 | module_i2c_driver(kx022a_i2c_driver); |
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| 64 | |
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| 65 | MODULE_DESCRIPTION("ROHM/Kionix KX022A accelerometer driver" ); |
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| 66 | MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>" ); |
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| 67 | MODULE_LICENSE("GPL" ); |
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| 68 | MODULE_IMPORT_NS(IIO_KX022A); |
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| 69 | |
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