1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * SPI access driver for TI TPS65912x PMICs
4 *
5 * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
6 * Andrew F. Davis <afd@ti.com>
7 *
8 * Based on the TPS65218 driver and the previous TPS65912 driver by
9 * Margarita Olaya Cabrera <magi@slimlogic.co.uk>
10 */
11
12 #include <linux/module.h>
13 #include <linux/regmap.h>
14 #include <linux/spi/spi.h>
15
16 #include <linux/mfd/tps65912.h>
17
18 static const struct of_device_id tps65912_spi_of_match_table[] = {
19 { .compatible = "ti,tps65912", },
20 { /* sentinel */ }
21 };
22 MODULE_DEVICE_TABLE(of, tps65912_spi_of_match_table);
23
tps65912_spi_probe(struct spi_device * spi)24 static int tps65912_spi_probe(struct spi_device *spi)
25 {
26 struct tps65912 *tps;
27
28 tps = devm_kzalloc(&spi->dev, sizeof(*tps), GFP_KERNEL);
29 if (!tps)
30 return -ENOMEM;
31
32 spi_set_drvdata(spi, tps);
33 tps->dev = &spi->dev;
34 tps->irq = spi->irq;
35
36 tps->regmap = devm_regmap_init_spi(spi, &tps65912_regmap_config);
37 if (IS_ERR(tps->regmap)) {
38 dev_err(tps->dev, "Failed to initialize register map\n");
39 return PTR_ERR(tps->regmap);
40 }
41
42 return tps65912_device_init(tps);
43 }
44
tps65912_spi_remove(struct spi_device * spi)45 static void tps65912_spi_remove(struct spi_device *spi)
46 {
47 struct tps65912 *tps = spi_get_drvdata(spi);
48
49 tps65912_device_exit(tps);
50 }
51
52 static const struct spi_device_id tps65912_spi_id_table[] = {
53 { "tps65912", 0 },
54 { /* sentinel */ }
55 };
56 MODULE_DEVICE_TABLE(spi, tps65912_spi_id_table);
57
58 static struct spi_driver tps65912_spi_driver = {
59 .driver = {
60 .name = "tps65912",
61 .of_match_table = tps65912_spi_of_match_table,
62 },
63 .probe = tps65912_spi_probe,
64 .remove = tps65912_spi_remove,
65 .id_table = tps65912_spi_id_table,
66 };
67 module_spi_driver(tps65912_spi_driver);
68
69 MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
70 MODULE_DESCRIPTION("TPS65912x SPI Interface Driver");
71 MODULE_LICENSE("GPL v2");
72