| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | /* |
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| 3 | * CS40L50 Advanced Haptic Driver with waveform memory, |
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| 4 | * integrated DSP, and closed-loop algorithms |
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| 5 | * |
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| 6 | * Copyright 2024 Cirrus Logic, Inc. |
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| 7 | * |
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| 8 | * Author: James Ogletree <james.ogletree@cirrus.com> |
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| 9 | */ |
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| 10 | |
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| 11 | #include <linux/i2c.h> |
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| 12 | #include <linux/mfd/cs40l50.h> |
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| 13 | |
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| 14 | static int cs40l50_i2c_probe(struct i2c_client *i2c) |
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| 15 | { |
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| 16 | struct cs40l50 *cs40l50; |
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| 17 | |
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| 18 | cs40l50 = devm_kzalloc(dev: &i2c->dev, size: sizeof(*cs40l50), GFP_KERNEL); |
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| 19 | if (!cs40l50) |
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| 20 | return -ENOMEM; |
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| 21 | |
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| 22 | i2c_set_clientdata(client: i2c, data: cs40l50); |
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| 23 | |
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| 24 | cs40l50->dev = &i2c->dev; |
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| 25 | cs40l50->irq = i2c->irq; |
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| 26 | |
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| 27 | cs40l50->regmap = devm_regmap_init_i2c(i2c, &cs40l50_regmap); |
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| 28 | if (IS_ERR(ptr: cs40l50->regmap)) |
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| 29 | return dev_err_probe(dev: cs40l50->dev, err: PTR_ERR(ptr: cs40l50->regmap), |
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| 30 | fmt: "Failed to initialize register map\n" ); |
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| 31 | |
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| 32 | return cs40l50_probe(cs40l50); |
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| 33 | } |
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| 34 | |
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| 35 | static void cs40l50_i2c_remove(struct i2c_client *i2c) |
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| 36 | { |
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| 37 | struct cs40l50 *cs40l50 = i2c_get_clientdata(client: i2c); |
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| 38 | |
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| 39 | cs40l50_remove(cs40l50); |
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| 40 | } |
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| 41 | |
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| 42 | static const struct i2c_device_id cs40l50_id_i2c[] = { |
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| 43 | { "cs40l50" }, |
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| 44 | {} |
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| 45 | }; |
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| 46 | MODULE_DEVICE_TABLE(i2c, cs40l50_id_i2c); |
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| 47 | |
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| 48 | static const struct of_device_id cs40l50_of_match[] = { |
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| 49 | { .compatible = "cirrus,cs40l50" }, |
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| 50 | {} |
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| 51 | }; |
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| 52 | MODULE_DEVICE_TABLE(of, cs40l50_of_match); |
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| 53 | |
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| 54 | static struct i2c_driver cs40l50_i2c_driver = { |
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| 55 | .driver = { |
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| 56 | .name = "cs40l50" , |
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| 57 | .of_match_table = cs40l50_of_match, |
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| 58 | .pm = pm_ptr(&cs40l50_pm_ops), |
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| 59 | }, |
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| 60 | .id_table = cs40l50_id_i2c, |
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| 61 | .probe = cs40l50_i2c_probe, |
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| 62 | .remove = cs40l50_i2c_remove, |
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| 63 | }; |
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| 64 | module_i2c_driver(cs40l50_i2c_driver); |
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| 65 | |
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| 66 | MODULE_DESCRIPTION("CS40L50 I2C Driver" ); |
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| 67 | MODULE_AUTHOR("James Ogletree, Cirrus Logic Inc. <james.ogletree@cirrus.com>" ); |
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| 68 | MODULE_LICENSE("GPL" ); |
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| 69 | |
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