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// SPDX-License-Identifier: GPL-2.0-or-later
/* Copyright (C) 2025 InvenSense, Inc. */
#include <linux/bitfield.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include "inv_icm45600.h"
static const struct regmap_config inv_icm45600_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
};
static int inv_icm45600_spi_bus_setup(struct inv_icm45600_state *st)
{
/* Set slew rates for SPI. */
return regmap_update_bits(st->map, INV_ICM45600_REG_DRIVE_CONFIG0,
INV_ICM45600_DRIVE_CONFIG0_SPI_MASK,
FIELD_PREP(INV_ICM45600_DRIVE_CONFIG0_SPI_MASK,
INV_ICM45600_SPI_SLEW_RATE_5NS));
}
static int inv_icm45600_probe(struct spi_device *spi)
{
const struct inv_icm45600_chip_info *chip_info;
struct regmap *regmap;
chip_info = spi_get_device_match_data(spi);
if (!chip_info)
return -ENODEV;
/* Use SPI specific regmap. */
regmap = devm_regmap_init_spi(spi, &inv_icm45600_regmap_config);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
return inv_icm45600_core_probe(regmap, chip_info, true,
inv_icm45600_spi_bus_setup);
}
/*
* The device id table is used to identify which device is
* supported by this driver.
*/
static const struct spi_device_id inv_icm45600_id[] = {
{ "icm45605", (kernel_ulong_t)&inv_icm45605_chip_info },
{ "icm45606", (kernel_ulong_t)&inv_icm45606_chip_info },
{ "icm45608", (kernel_ulong_t)&inv_icm45608_chip_info },
{ "icm45634", (kernel_ulong_t)&inv_icm45634_chip_info },
{ "icm45686", (kernel_ulong_t)&inv_icm45686_chip_info },
{ "icm45687", (kernel_ulong_t)&inv_icm45687_chip_info },
{ "icm45688p", (kernel_ulong_t)&inv_icm45688p_chip_info },
{ "icm45689", (kernel_ulong_t)&inv_icm45689_chip_info },
{ }
};
MODULE_DEVICE_TABLE(spi, inv_icm45600_id);
static const struct of_device_id inv_icm45600_of_matches[] = {
{
.compatible = "invensense,icm45605",
.data = &inv_icm45605_chip_info,
}, {
.compatible = "invensense,icm45606",
.data = &inv_icm45606_chip_info,
}, {
.compatible = "invensense,icm45608",
.data = &inv_icm45608_chip_info,
}, {
.compatible = "invensense,icm45634",
.data = &inv_icm45634_chip_info,
}, {
.compatible = "invensense,icm45686",
.data = &inv_icm45686_chip_info,
}, {
.compatible = "invensense,icm45687",
.data = &inv_icm45687_chip_info,
}, {
.compatible = "invensense,icm45688p",
.data = &inv_icm45688p_chip_info,
}, {
.compatible = "invensense,icm45689",
.data = &inv_icm45689_chip_info,
},
{ }
};
MODULE_DEVICE_TABLE(of, inv_icm45600_of_matches);
static struct spi_driver inv_icm45600_driver = {
.driver = {
.name = "inv-icm45600-spi",
.of_match_table = inv_icm45600_of_matches,
.pm = pm_ptr(&inv_icm45600_pm_ops),
},
.id_table = inv_icm45600_id,
.probe = inv_icm45600_probe,
};
module_spi_driver(inv_icm45600_driver);
MODULE_AUTHOR("InvenSense, Inc.");
MODULE_DESCRIPTION("InvenSense ICM-456xx SPI driver");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("IIO_ICM45600");
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