Linus Walleij | bf96f6e | 2016-09-01 11:44:38 +0200 | [diff] [blame] | 1 | #include <linux/device.h> |
| 2 | #include <linux/kernel.h> |
| 3 | #include <linux/spi/spi.h> |
| 4 | #include <linux/module.h> |
| 5 | #include <linux/slab.h> |
Linus Walleij | 0d1fb2d | 2016-09-01 11:44:40 +0200 | [diff] [blame] | 6 | #include <linux/regmap.h> |
Linus Walleij | bf96f6e | 2016-09-01 11:44:38 +0200 | [diff] [blame] | 7 | |
| 8 | #include "kxsd9.h" |
| 9 | |
Linus Walleij | bf96f6e | 2016-09-01 11:44:38 +0200 | [diff] [blame] | 10 | static int kxsd9_spi_probe(struct spi_device *spi) |
| 11 | { |
Linus Walleij | 0d1fb2d | 2016-09-01 11:44:40 +0200 | [diff] [blame] | 12 | static const struct regmap_config config = { |
| 13 | .reg_bits = 8, |
| 14 | .val_bits = 8, |
| 15 | .max_register = 0x0e, |
| 16 | }; |
| 17 | struct regmap *regmap; |
Linus Walleij | bf96f6e | 2016-09-01 11:44:38 +0200 | [diff] [blame] | 18 | |
Linus Walleij | bf96f6e | 2016-09-01 11:44:38 +0200 | [diff] [blame] | 19 | spi->mode = SPI_MODE_0; |
Linus Walleij | 0d1fb2d | 2016-09-01 11:44:40 +0200 | [diff] [blame] | 20 | regmap = devm_regmap_init_spi(spi, &config); |
| 21 | if (IS_ERR(regmap)) { |
| 22 | dev_err(&spi->dev, "%s: regmap allocation failed: %ld\n", |
| 23 | __func__, PTR_ERR(regmap)); |
| 24 | return PTR_ERR(regmap); |
| 25 | } |
Linus Walleij | bf96f6e | 2016-09-01 11:44:38 +0200 | [diff] [blame] | 26 | |
Linus Walleij | 0d1fb2d | 2016-09-01 11:44:40 +0200 | [diff] [blame] | 27 | return kxsd9_common_probe(&spi->dev, |
| 28 | regmap, |
| 29 | spi_get_device_id(spi)->name); |
Linus Walleij | bf96f6e | 2016-09-01 11:44:38 +0200 | [diff] [blame] | 30 | } |
| 31 | |
| 32 | static int kxsd9_spi_remove(struct spi_device *spi) |
| 33 | { |
| 34 | return kxsd9_common_remove(&spi->dev); |
| 35 | } |
| 36 | |
| 37 | static const struct spi_device_id kxsd9_spi_id[] = { |
| 38 | {"kxsd9", 0}, |
| 39 | { }, |
| 40 | }; |
| 41 | MODULE_DEVICE_TABLE(spi, kxsd9_spi_id); |
| 42 | |
| 43 | static struct spi_driver kxsd9_spi_driver = { |
| 44 | .driver = { |
| 45 | .name = "kxsd9", |
Linus Walleij | 9a9a369 | 2016-09-01 11:44:48 +0200 | [diff] [blame^] | 46 | .pm = &kxsd9_dev_pm_ops, |
Linus Walleij | bf96f6e | 2016-09-01 11:44:38 +0200 | [diff] [blame] | 47 | }, |
| 48 | .probe = kxsd9_spi_probe, |
| 49 | .remove = kxsd9_spi_remove, |
| 50 | .id_table = kxsd9_spi_id, |
| 51 | }; |
| 52 | module_spi_driver(kxsd9_spi_driver); |
| 53 | |
| 54 | MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>"); |
| 55 | MODULE_DESCRIPTION("Kionix KXSD9 SPI driver"); |
| 56 | MODULE_LICENSE("GPL v2"); |