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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/iio/accel/kxsd9-spi.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iio/accel/kxsd9-spi.c')
-rw-r--r-- | drivers/iio/accel/kxsd9-spi.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/iio/accel/kxsd9-spi.c b/drivers/iio/accel/kxsd9-spi.c new file mode 100644 index 000000000..b7d0078fd --- /dev/null +++ b/drivers/iio/accel/kxsd9-spi.c @@ -0,0 +1,56 @@ +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/spi/spi.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/regmap.h> + +#include "kxsd9.h" + +static int kxsd9_spi_probe(struct spi_device *spi) +{ + static const struct regmap_config config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0x0e, + }; + struct regmap *regmap; + + spi->mode = SPI_MODE_0; + regmap = devm_regmap_init_spi(spi, &config); + if (IS_ERR(regmap)) { + dev_err(&spi->dev, "%s: regmap allocation failed: %ld\n", + __func__, PTR_ERR(regmap)); + return PTR_ERR(regmap); + } + + return kxsd9_common_probe(&spi->dev, + regmap, + spi_get_device_id(spi)->name); +} + +static int kxsd9_spi_remove(struct spi_device *spi) +{ + return kxsd9_common_remove(&spi->dev); +} + +static const struct spi_device_id kxsd9_spi_id[] = { + {"kxsd9", 0}, + { }, +}; +MODULE_DEVICE_TABLE(spi, kxsd9_spi_id); + +static struct spi_driver kxsd9_spi_driver = { + .driver = { + .name = "kxsd9", + .pm = &kxsd9_dev_pm_ops, + }, + .probe = kxsd9_spi_probe, + .remove = kxsd9_spi_remove, + .id_table = kxsd9_spi_id, +}; +module_spi_driver(kxsd9_spi_driver); + +MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>"); +MODULE_DESCRIPTION("Kionix KXSD9 SPI driver"); +MODULE_LICENSE("GPL v2"); |