This source file includes following definitions.
- zpa2326_probe_spi
- zpa2326_remove_spi
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10 #include <linux/module.h>
11 #include <linux/regmap.h>
12 #include <linux/spi/spi.h>
13 #include <linux/of_device.h>
14 #include "zpa2326.h"
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20
21 static const struct regmap_config zpa2326_regmap_spi_config = {
22 .reg_bits = 8,
23 .val_bits = 8,
24 .writeable_reg = zpa2326_isreg_writeable,
25 .readable_reg = zpa2326_isreg_readable,
26 .precious_reg = zpa2326_isreg_precious,
27 .max_register = ZPA2326_TEMP_OUT_H_REG,
28 .read_flag_mask = BIT(7) | BIT(6),
29 .cache_type = REGCACHE_NONE,
30 };
31
32 static int zpa2326_probe_spi(struct spi_device *spi)
33 {
34 struct regmap *regmap;
35 int err;
36
37 regmap = devm_regmap_init_spi(spi, &zpa2326_regmap_spi_config);
38 if (IS_ERR(regmap)) {
39 dev_err(&spi->dev, "failed to init registers map");
40 return PTR_ERR(regmap);
41 }
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48
49 spi->mode = SPI_MODE_3;
50 spi->max_speed_hz = min(spi->max_speed_hz, 1000000U);
51 spi->bits_per_word = 8;
52 err = spi_setup(spi);
53 if (err < 0)
54 return err;
55
56 return zpa2326_probe(&spi->dev, spi_get_device_id(spi)->name,
57 spi->irq, ZPA2326_DEVICE_ID, regmap);
58 }
59
60 static int zpa2326_remove_spi(struct spi_device *spi)
61 {
62 zpa2326_remove(&spi->dev);
63
64 return 0;
65 }
66
67 static const struct spi_device_id zpa2326_spi_ids[] = {
68 { "zpa2326", 0 },
69 { },
70 };
71 MODULE_DEVICE_TABLE(spi, zpa2326_spi_ids);
72
73 #if defined(CONFIG_OF)
74 static const struct of_device_id zpa2326_spi_matches[] = {
75 { .compatible = "murata,zpa2326" },
76 { }
77 };
78 MODULE_DEVICE_TABLE(of, zpa2326_spi_matches);
79 #endif
80
81 static struct spi_driver zpa2326_spi_driver = {
82 .driver = {
83 .name = "zpa2326-spi",
84 .of_match_table = of_match_ptr(zpa2326_spi_matches),
85 .pm = ZPA2326_PM_OPS,
86 },
87 .probe = zpa2326_probe_spi,
88 .remove = zpa2326_remove_spi,
89 .id_table = zpa2326_spi_ids,
90 };
91 module_spi_driver(zpa2326_spi_driver);
92
93 MODULE_AUTHOR("Gregor Boirie <gregor.boirie@parrot.com>");
94 MODULE_DESCRIPTION("SPI driver for Murata ZPA2326 pressure sensor");
95 MODULE_LICENSE("GPL v2");