spi.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2
 3#include <linux/dev_printk.h>
 4#include <linux/err.h>
 5#include <linux/module.h>
 6#include <linux/regmap.h>
 7#include <linux/spi/spi.h>
 8
 9#include "core.h"
10
11static int zl3073x_spi_probe(struct spi_device *spi)
12{
13	struct device *dev = &spi->dev;
14	struct zl3073x_dev *zldev;
15
16	zldev = zl3073x_devm_alloc(dev);
17	if (IS_ERR(zldev))
18		return PTR_ERR(zldev);
19
20	zldev->regmap = devm_regmap_init_spi(spi, &zl3073x_regmap_config);
21	if (IS_ERR(zldev->regmap))
22		return dev_err_probe(dev, PTR_ERR(zldev->regmap),
23				     "Failed to initialize regmap\n");
24
25	return zl3073x_dev_probe(zldev, spi_get_device_match_data(spi));
26}
27
28static const struct spi_device_id zl3073x_spi_id[] = {
29	{
30		.name = "zl30731",
31		.driver_data = (kernel_ulong_t)&zl30731_chip_info
32	},
33	{
34		.name = "zl30732",
35		.driver_data = (kernel_ulong_t)&zl30732_chip_info,
36	},
37	{
38		.name = "zl30733",
39		.driver_data = (kernel_ulong_t)&zl30733_chip_info,
40	},
41	{
42		.name = "zl30734",
43		.driver_data = (kernel_ulong_t)&zl30734_chip_info,
44	},
45	{
46		.name = "zl30735",
47		.driver_data = (kernel_ulong_t)&zl30735_chip_info,
48	},
49	{ /* sentinel */ }
50};
51MODULE_DEVICE_TABLE(spi, zl3073x_spi_id);
52
53static const struct of_device_id zl3073x_spi_of_match[] = {
54	{ .compatible = "microchip,zl30731", .data = &zl30731_chip_info },
55	{ .compatible = "microchip,zl30732", .data = &zl30732_chip_info },
56	{ .compatible = "microchip,zl30733", .data = &zl30733_chip_info },
57	{ .compatible = "microchip,zl30734", .data = &zl30734_chip_info },
58	{ .compatible = "microchip,zl30735", .data = &zl30735_chip_info },
59	{ /* sentinel */ }
60};
61MODULE_DEVICE_TABLE(of, zl3073x_spi_of_match);
62
63static struct spi_driver zl3073x_spi_driver = {
64	.driver = {
65		.name = "zl3073x-spi",
66		.of_match_table = zl3073x_spi_of_match,
67	},
68	.probe = zl3073x_spi_probe,
69	.id_table = zl3073x_spi_id,
70};
71module_spi_driver(zl3073x_spi_driver);
72
73MODULE_AUTHOR("Ivan Vecera <ivecera@redhat.com>");
74MODULE_DESCRIPTION("Microchip ZL3073x SPI driver");
75MODULE_IMPORT_NS("ZL3073X");
76MODULE_LICENSE("GPL");