Commit a3e0b518 authored by Sean Nyekjaer's avatar Sean Nyekjaer Committed by Jonathan Cameron
Browse files

iio: accel: add support for FXLS8962AF/FXLS8964AF accelerometers

Add basic support for NXP FXLS8962AF/FXLS8964AF Automotive
accelerometers.
It will allow setting up scale/gain and reading x,y,z
axis.

Datasheet: https://www.nxp.com/docs/en/data-sheet/FXLS8962AF.pdf
Datasheet: https://www.nxp.com/docs/en/data-sheet/FXLS8964AF.pdf


Signed-off-by: default avatarSean Nyekjaer <sean@geanix.com>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent f7d5c18a
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+27 −0
Original line number Diff line number Diff line
@@ -226,6 +226,33 @@ config DMARD10
	  Choosing M will build the driver as a module. If so, the module
	  will be called dmard10.

config FXLS8962AF
	tristate

config FXLS8962AF_I2C
	tristate "NXP FXLS8962AF/FXLS8964AF Accelerometer I2C Driver"
	depends on I2C
	select FXLS8962AF
	select REGMAP_I2C
	help
	  Say yes here to build support for the NXP 3-axis automotive
	  accelerometer FXLS8962AF/FXLS8964AF with I2C support.

	  To compile this driver as a module, choose M here: the module
	  will be called fxls8962af_i2c.

config FXLS8962AF_SPI
	tristate "NXP FXLS8962AF/FXLS8964AF Accelerometer SPI Driver"
	depends on SPI
	select FXLS8962AF
	select REGMAP_SPI
	help
	  Say yes here to build support for the NXP 3-axis automotive
	  accelerometer FXLS8962AF/FXLS8964AF with SPI support.

	  To compile this driver as a module, choose M here: the module
	  will be called fxls8962af_spi.

config HID_SENSOR_ACCEL_3D
	depends on HID_SENSOR_HUB
	select IIO_BUFFER
+3 −0
Original line number Diff line number Diff line
@@ -27,6 +27,9 @@ obj-$(CONFIG_DA311) += da311.o
obj-$(CONFIG_DMARD06)	+= dmard06.o
obj-$(CONFIG_DMARD09)	+= dmard09.o
obj-$(CONFIG_DMARD10)	+= dmard10.o
obj-$(CONFIG_FXLS8962AF)	+= fxls8962af-core.o
obj-$(CONFIG_FXLS8962AF_I2C)	+= fxls8962af-i2c.o
obj-$(CONFIG_FXLS8962AF_SPI)	+= fxls8962af-spi.o
obj-$(CONFIG_HID_SENSOR_ACCEL_3D) += hid-sensor-accel-3d.o
obj-$(CONFIG_KXCJK1013) += kxcjk-1013.o
obj-$(CONFIG_KXSD9)	+= kxsd9.o
+560 −0
Original line number Diff line number Diff line
// SPDX-License-Identifier: GPL-2.0
/*
 * NXP FXLS8962AF/FXLS8964AF Accelerometer Core Driver
 *
 * Copyright 2021 Connected Cars A/S
 *
 * Datasheet:
 * https://www.nxp.com/docs/en/data-sheet/FXLS8962AF.pdf
 * https://www.nxp.com/docs/en/data-sheet/FXLS8964AF.pdf
 *
 * Errata:
 * https://www.nxp.com/docs/en/errata/ES_FXLS8962AF.pdf
 */

#include <linux/bits.h>
#include <linux/bitfield.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
#include <linux/regmap.h>

#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>

#include "fxls8962af.h"

#define FXLS8962AF_INT_STATUS			0x00
#define FXLS8962AF_INT_STATUS_SRC_BOOT		BIT(0)
#define FXLS8962AF_INT_STATUS_SRC_DRDY		BIT(7)
#define FXLS8962AF_TEMP_OUT			0x01
#define FXLS8962AF_VECM_LSB			0x02
#define FXLS8962AF_OUT_X_LSB			0x04
#define FXLS8962AF_OUT_Y_LSB			0x06
#define FXLS8962AF_OUT_Z_LSB			0x08
#define FXLS8962AF_BUF_STATUS			0x0b
#define FXLS8962AF_BUF_X_LSB			0x0c
#define FXLS8962AF_BUF_Y_LSB			0x0e
#define FXLS8962AF_BUF_Z_LSB			0x10

#define FXLS8962AF_PROD_REV			0x12
#define FXLS8962AF_WHO_AM_I			0x13

#define FXLS8962AF_SYS_MODE			0x14
#define FXLS8962AF_SENS_CONFIG1			0x15
#define FXLS8962AF_SENS_CONFIG1_ACTIVE		BIT(0)
#define FXLS8962AF_SENS_CONFIG1_RST		BIT(7)
#define FXLS8962AF_SC1_FSR_MASK			GENMASK(2, 1)
#define FXLS8962AF_SC1_FSR_PREP(x)		FIELD_PREP(FXLS8962AF_SC1_FSR_MASK, (x))
#define FXLS8962AF_SC1_FSR_GET(x)		FIELD_GET(FXLS8962AF_SC1_FSR_MASK, (x))

#define FXLS8962AF_SENS_CONFIG2			0x16
#define FXLS8962AF_SENS_CONFIG3			0x17
#define FXLS8962AF_SENS_CONFIG4			0x18
#define FXLS8962AF_SENS_CONFIG5			0x19

#define FXLS8962AF_WAKE_IDLE_LSB		0x1b
#define FXLS8962AF_SLEEP_IDLE_LSB		0x1c
#define FXLS8962AF_ASLP_COUNT_LSB		0x1e

#define FXLS8962AF_INT_EN			0x20
#define FXLS8962AF_INT_PIN_SEL			0x21

#define FXLS8962AF_OFF_X			0x22
#define FXLS8962AF_OFF_Y			0x23
#define FXLS8962AF_OFF_Z			0x24

#define FXLS8962AF_BUF_CONFIG1			0x26
#define FXLS8962AF_BUF_CONFIG2			0x27

#define FXLS8962AF_ORIENT_STATUS		0x28
#define FXLS8962AF_ORIENT_CONFIG		0x29
#define FXLS8962AF_ORIENT_DBCOUNT		0x2a
#define FXLS8962AF_ORIENT_BF_ZCOMP		0x2b
#define FXLS8962AF_ORIENT_THS_REG		0x2c

#define FXLS8962AF_SDCD_INT_SRC1		0x2d
#define FXLS8962AF_SDCD_INT_SRC2		0x2e
#define FXLS8962AF_SDCD_CONFIG1			0x2f
#define FXLS8962AF_SDCD_CONFIG2			0x30
#define FXLS8962AF_SDCD_OT_DBCNT		0x31
#define FXLS8962AF_SDCD_WT_DBCNT		0x32
#define FXLS8962AF_SDCD_LTHS_LSB		0x33
#define FXLS8962AF_SDCD_UTHS_LSB		0x35

#define FXLS8962AF_SELF_TEST_CONFIG1		0x37
#define FXLS8962AF_SELF_TEST_CONFIG2		0x38

#define FXLS8962AF_MAX_REG			0x38

#define FXLS8962AF_DEVICE_ID			0x62
#define FXLS8964AF_DEVICE_ID			0x84

/* Raw temp channel offset */
#define FXLS8962AF_TEMP_CENTER_VAL		25

#define FXLS8962AF_AUTO_SUSPEND_DELAY_MS	2000

#define FXLS8962AF_SCALE_TABLE_LEN		4

static const int fxls8962af_scale_table[FXLS8962AF_SCALE_TABLE_LEN][2] = {
	{0, IIO_G_TO_M_S_2(980000)},
	{0, IIO_G_TO_M_S_2(1950000)},
	{0, IIO_G_TO_M_S_2(3910000)},
	{0, IIO_G_TO_M_S_2(7810000)},
};

struct fxls8962af_chip_info {
	const char *name;
	const struct iio_chan_spec *channels;
	int num_channels;
	u8 chip_id;
};

struct fxls8962af_data {
	struct regmap *regmap;
	const struct fxls8962af_chip_info *chip_info;
	struct regulator *vdd_reg;
	struct iio_mount_matrix orientation;
};

const struct regmap_config fxls8962af_regmap_conf = {
	.reg_bits = 8,
	.val_bits = 8,
	.max_register = FXLS8962AF_MAX_REG,
};
EXPORT_SYMBOL_GPL(fxls8962af_regmap_conf);

enum {
	fxls8962af_idx_x,
	fxls8962af_idx_y,
	fxls8962af_idx_z,
	fxls8962af_idx_ts,
};

static int fxls8962af_power_on(struct fxls8962af_data *data)
{
	struct device *dev = regmap_get_device(data->regmap);
	int ret;

	ret = pm_runtime_resume_and_get(dev);
	if (ret)
		dev_err(dev, "failed to power on\n");

	return ret;
}

static int fxls8962af_power_off(struct fxls8962af_data *data)
{
	struct device *dev = regmap_get_device(data->regmap);
	int ret;

	pm_runtime_mark_last_busy(dev);
	ret = pm_runtime_put_autosuspend(dev);
	if (ret)
		dev_err(dev, "failed to power off\n");

	return ret;
}

static int fxls8962af_standby(struct fxls8962af_data *data)
{
	return regmap_update_bits(data->regmap, FXLS8962AF_SENS_CONFIG1,
				  FXLS8962AF_SENS_CONFIG1_ACTIVE, 0);
}

static int fxls8962af_active(struct fxls8962af_data *data)
{
	return regmap_update_bits(data->regmap, FXLS8962AF_SENS_CONFIG1,
				  FXLS8962AF_SENS_CONFIG1_ACTIVE, 1);
}

static int fxls8962af_is_active(struct fxls8962af_data *data)
{
	unsigned int reg;
	int ret;

	ret = regmap_read(data->regmap, FXLS8962AF_SENS_CONFIG1, &reg);
	if (ret)
		return ret;

	return reg & FXLS8962AF_SENS_CONFIG1_ACTIVE;
}

static int fxls8962af_get_out(struct fxls8962af_data *data,
			      struct iio_chan_spec const *chan, int *val)
{
	struct device *dev = regmap_get_device(data->regmap);
	__le16 raw_val;
	int is_active;
	int ret;

	is_active = fxls8962af_is_active(data);
	if (!is_active) {
		ret = fxls8962af_power_on(data);
		if (ret)
			return ret;
	}

	ret = regmap_bulk_read(data->regmap, chan->address,
			       &raw_val, (chan->scan_type.storagebits / 8));

	if (!is_active)
		fxls8962af_power_off(data);

	if (ret) {
		dev_err(dev, "failed to get out reg 0x%lx\n", chan->address);
		return ret;
	}

	*val = sign_extend32(le16_to_cpu(raw_val),
			     chan->scan_type.realbits - 1);

	return IIO_VAL_INT;
}

static int fxls8962af_read_avail(struct iio_dev *indio_dev,
				 struct iio_chan_spec const *chan,
				 const int **vals, int *type, int *length,
				 long mask)
{
	switch (mask) {
	case IIO_CHAN_INFO_SCALE:
		*type = IIO_VAL_INT_PLUS_NANO;
		*vals = (int *)fxls8962af_scale_table;
		*length = ARRAY_SIZE(fxls8962af_scale_table) * 2;
		return IIO_AVAIL_LIST;
	default:
		return -EINVAL;
	}
}

static int fxls8962af_write_raw_get_fmt(struct iio_dev *indio_dev,
					struct iio_chan_spec const *chan,
					long mask)
{
	return IIO_VAL_INT_PLUS_NANO;
}

static int fxls8962af_update_config(struct fxls8962af_data *data, u8 reg,
				    u8 mask, u8 val)
{
	int ret;
	int is_active;

	is_active = fxls8962af_is_active(data);
	if (is_active) {
		ret = fxls8962af_standby(data);
		if (ret)
			return ret;
	}

	ret = regmap_update_bits(data->regmap, reg, mask, val);
	if (ret)
		return ret;

	if (is_active) {
		ret = fxls8962af_active(data);
		if (ret)
			return ret;
	}

	return 0;
}

static int fxls8962af_set_full_scale(struct fxls8962af_data *data, u32 scale)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(fxls8962af_scale_table); i++)
		if (scale == fxls8962af_scale_table[i][1])
			break;

	if (i == ARRAY_SIZE(fxls8962af_scale_table))
		return -EINVAL;

	return fxls8962af_update_config(data, FXLS8962AF_SENS_CONFIG1,
					FXLS8962AF_SC1_FSR_MASK,
					FXLS8962AF_SC1_FSR_PREP(i));
}

static unsigned int fxls8962af_read_full_scale(struct fxls8962af_data *data,
					       int *val)
{
	int ret;
	unsigned int reg;
	u8 range_idx;

	ret = regmap_read(data->regmap, FXLS8962AF_SENS_CONFIG1, &reg);
	if (ret)
		return ret;

	range_idx = FXLS8962AF_SC1_FSR_GET(reg);

	*val = fxls8962af_scale_table[range_idx][1];

	return IIO_VAL_INT_PLUS_NANO;
}

static int fxls8962af_read_raw(struct iio_dev *indio_dev,
			       struct iio_chan_spec const *chan,
			       int *val, int *val2, long mask)
{
	struct fxls8962af_data *data = iio_priv(indio_dev);

	switch (mask) {
	case IIO_CHAN_INFO_RAW:
		switch (chan->type) {
		case IIO_TEMP:
		case IIO_ACCEL:
			return fxls8962af_get_out(data, chan, val);
		default:
			return -EINVAL;
		}
	case IIO_CHAN_INFO_OFFSET:
		if (chan->type != IIO_TEMP)
			return -EINVAL;

		*val = FXLS8962AF_TEMP_CENTER_VAL;
		return IIO_VAL_INT;
	case IIO_CHAN_INFO_SCALE:
		*val = 0;
		return fxls8962af_read_full_scale(data, val2);
	default:
		return -EINVAL;
	}
}

static int fxls8962af_write_raw(struct iio_dev *indio_dev,
				struct iio_chan_spec const *chan,
				int val, int val2, long mask)
{
	struct fxls8962af_data *data = iio_priv(indio_dev);
	int ret;

	switch (mask) {
	case IIO_CHAN_INFO_SCALE:
		if (val != 0)
			return -EINVAL;

		ret = iio_device_claim_direct_mode(indio_dev);
		if (ret)
			return ret;

		ret = fxls8962af_set_full_scale(data, val2);

		iio_device_release_direct_mode(indio_dev);
		return ret;
	default:
		return -EINVAL;
	}
}

#define FXLS8962AF_CHANNEL(axis, reg, idx) { \
	.type = IIO_ACCEL, \
	.address = reg, \
	.modified = 1, \
	.channel2 = IIO_MOD_##axis, \
	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
	.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
	.info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_SCALE), \
	.scan_index = idx, \
	.scan_type = { \
		.sign = 's', \
		.realbits = 12, \
		.storagebits = 16, \
		.shift = 4, \
		.endianness = IIO_BE, \
	}, \
}

#define FXLS8962AF_TEMP_CHANNEL { \
	.type = IIO_TEMP, \
	.address = FXLS8962AF_TEMP_OUT, \
	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
			      BIT(IIO_CHAN_INFO_OFFSET),\
	.scan_index = -1, \
	.scan_type = { \
		.realbits = 8, \
		.storagebits = 8, \
	}, \
}

static const struct iio_chan_spec fxls8962af_channels[] = {
	FXLS8962AF_CHANNEL(X, FXLS8962AF_OUT_X_LSB, fxls8962af_idx_x),
	FXLS8962AF_CHANNEL(Y, FXLS8962AF_OUT_Y_LSB, fxls8962af_idx_y),
	FXLS8962AF_CHANNEL(Z, FXLS8962AF_OUT_Z_LSB, fxls8962af_idx_z),
	IIO_CHAN_SOFT_TIMESTAMP(fxls8962af_idx_ts),
	FXLS8962AF_TEMP_CHANNEL,
};

static const struct fxls8962af_chip_info fxls_chip_info_table[] = {
	[fxls8962af] = {
		.chip_id = FXLS8962AF_DEVICE_ID,
		.name = "fxls8962af",
		.channels = fxls8962af_channels,
		.num_channels = ARRAY_SIZE(fxls8962af_channels),
	},
	[fxls8964af] = {
		.chip_id = FXLS8964AF_DEVICE_ID,
		.name = "fxls8964af",
		.channels = fxls8962af_channels,
		.num_channels = ARRAY_SIZE(fxls8962af_channels),
	},
};

static const struct iio_info fxls8962af_info = {
	.read_raw = &fxls8962af_read_raw,
	.write_raw = &fxls8962af_write_raw,
	.write_raw_get_fmt = fxls8962af_write_raw_get_fmt,
	.read_avail = fxls8962af_read_avail,
};

static int fxls8962af_reset(struct fxls8962af_data *data)
{
	struct device *dev = regmap_get_device(data->regmap);
	unsigned int reg;
	int ret;

	ret = regmap_update_bits(data->regmap, FXLS8962AF_SENS_CONFIG1,
				 FXLS8962AF_SENS_CONFIG1_RST,
				 FXLS8962AF_SENS_CONFIG1_RST);
	if (ret)
		return ret;

	/* TBOOT1, TBOOT2, specifies we have to wait between 1 - 17.7ms */
	ret = regmap_read_poll_timeout(data->regmap, FXLS8962AF_INT_STATUS, reg,
				       (reg & FXLS8962AF_INT_STATUS_SRC_BOOT),
				       1000, 18000);
	if (ret == -ETIMEDOUT)
		dev_err(dev, "reset timeout, int_status = 0x%x\n", reg);

	return ret;
}

static void fxls8962af_regulator_disable(void *data_ptr)
{
	struct fxls8962af_data *data = data_ptr;

	regulator_disable(data->vdd_reg);
}

static void fxls8962af_pm_disable(void *dev_ptr)
{
	struct device *dev = dev_ptr;
	struct iio_dev *indio_dev = dev_get_drvdata(dev);

	pm_runtime_disable(dev);
	pm_runtime_set_suspended(dev);
	pm_runtime_put_noidle(dev);

	fxls8962af_standby(iio_priv(indio_dev));
}

int fxls8962af_core_probe(struct device *dev, struct regmap *regmap, int irq)
{
	struct fxls8962af_data *data;
	struct iio_dev *indio_dev;
	unsigned int reg;
	int ret, i;

	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
	if (!indio_dev)
		return -ENOMEM;

	data = iio_priv(indio_dev);
	dev_set_drvdata(dev, indio_dev);
	data->regmap = regmap;

	ret = iio_read_mount_matrix(dev, "mount-matrix", &data->orientation);
	if (ret)
		return ret;

	data->vdd_reg = devm_regulator_get(dev, "vdd");
	if (IS_ERR(data->vdd_reg))
		return dev_err_probe(dev, PTR_ERR(data->vdd_reg),
				     "Failed to get vdd regulator\n");

	ret = regulator_enable(data->vdd_reg);
	if (ret) {
		dev_err(dev, "Failed to enable vdd regulator: %d\n", ret);
		return ret;
	}

	ret = devm_add_action_or_reset(dev, fxls8962af_regulator_disable, data);
	if (ret)
		return ret;

	ret = regmap_read(data->regmap, FXLS8962AF_WHO_AM_I, &reg);
	if (ret)
		return ret;

	for (i = 0; i < ARRAY_SIZE(fxls_chip_info_table); i++) {
		if (fxls_chip_info_table[i].chip_id == reg) {
			data->chip_info = &fxls_chip_info_table[i];
			break;
		}
	}
	if (i == ARRAY_SIZE(fxls_chip_info_table)) {
		dev_err(dev, "failed to match device in table\n");
		return -ENXIO;
	}

	indio_dev->channels = data->chip_info->channels;
	indio_dev->num_channels = data->chip_info->num_channels;
	indio_dev->name = data->chip_info->name;
	indio_dev->info = &fxls8962af_info;
	indio_dev->modes = INDIO_DIRECT_MODE;

	ret = fxls8962af_reset(data);
	if (ret)
		return ret;

	ret = pm_runtime_set_active(dev);
	if (ret)
		return ret;

	pm_runtime_enable(dev);
	pm_runtime_set_autosuspend_delay(dev, FXLS8962AF_AUTO_SUSPEND_DELAY_MS);
	pm_runtime_use_autosuspend(dev);

	ret = devm_add_action_or_reset(dev, fxls8962af_pm_disable, dev);
	if (ret)
		return ret;

	return devm_iio_device_register(dev, indio_dev);
}
EXPORT_SYMBOL_GPL(fxls8962af_core_probe);

static int __maybe_unused fxls8962af_runtime_suspend(struct device *dev)
{
	struct fxls8962af_data *data = iio_priv(dev_get_drvdata(dev));
	int ret;

	ret = fxls8962af_standby(data);
	if (ret) {
		dev_err(dev, "powering off device failed\n");
		return ret;
	}

	return 0;
}

static int __maybe_unused fxls8962af_runtime_resume(struct device *dev)
{
	struct fxls8962af_data *data = iio_priv(dev_get_drvdata(dev));

	return fxls8962af_active(data);
}

const struct dev_pm_ops fxls8962af_pm_ops = {
	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
				pm_runtime_force_resume)
	SET_RUNTIME_PM_OPS(fxls8962af_runtime_suspend,
			   fxls8962af_runtime_resume, NULL)
};
EXPORT_SYMBOL_GPL(fxls8962af_pm_ops);

MODULE_AUTHOR("Sean Nyekjaer <sean@geanix.com>");
MODULE_DESCRIPTION("NXP FXLS8962AF/FXLS8964AF accelerometer driver");
MODULE_LICENSE("GPL v2");
+57 −0
Original line number Diff line number Diff line
// SPDX-License-Identifier: GPL-2.0
/*
 * NXP FXLS8962AF/FXLS8964AF Accelerometer I2C Driver
 *
 * Copyright 2021 Connected Cars A/S
 */

#include <linux/dev_printk.h>
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/regmap.h>

#include "fxls8962af.h"

static int fxls8962af_probe(struct i2c_client *client)
{
	struct regmap *regmap;

	regmap = devm_regmap_init_i2c(client, &fxls8962af_regmap_conf);
	if (IS_ERR(regmap)) {
		dev_err(&client->dev, "Failed to initialize i2c regmap\n");
		return PTR_ERR(regmap);
	}

	return fxls8962af_core_probe(&client->dev, regmap, client->irq);
}

static const struct i2c_device_id fxls8962af_id[] = {
	{ "fxls8962af", fxls8962af },
	{ "fxls8964af", fxls8964af },
	{}
};
MODULE_DEVICE_TABLE(i2c, fxls8962af_id);

static const struct of_device_id fxls8962af_of_match[] = {
	{ .compatible = "nxp,fxls8962af" },
	{ .compatible = "nxp,fxls8964af" },
	{}
};
MODULE_DEVICE_TABLE(of, fxls8962af_of_match);

static struct i2c_driver fxls8962af_driver = {
	.driver = {
		   .name = "fxls8962af_i2c",
		   .of_match_table = fxls8962af_of_match,
		   .pm = &fxls8962af_pm_ops,
		   },
	.probe_new = fxls8962af_probe,
	.id_table = fxls8962af_id,
};
module_i2c_driver(fxls8962af_driver);

MODULE_AUTHOR("Sean Nyekjaer <sean@geanix.com>");
MODULE_DESCRIPTION("NXP FXLS8962AF/FXLS8964AF accelerometer i2c driver");
MODULE_LICENSE("GPL v2");
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// SPDX-License-Identifier: GPL-2.0
/*
 * NXP FXLS8962AF/FXLS8964AF Accelerometer SPI Driver
 *
 * Copyright 2021 Connected Cars A/S
 */

#include <linux/dev_printk.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/spi/spi.h>
#include <linux/regmap.h>

#include "fxls8962af.h"

static int fxls8962af_probe(struct spi_device *spi)
{
	struct regmap *regmap;

	regmap = devm_regmap_init_spi(spi, &fxls8962af_regmap_conf);
	if (IS_ERR(regmap)) {
		dev_err(&spi->dev, "Failed to initialize spi regmap\n");
		return PTR_ERR(regmap);
	}

	return fxls8962af_core_probe(&spi->dev, regmap, spi->irq);
}

static const struct of_device_id fxls8962af_spi_of_match[] = {
	{ .compatible = "nxp,fxls8962af" },
	{ .compatible = "nxp,fxls8964af" },
	{}
};
MODULE_DEVICE_TABLE(of, fxls8962af_spi_of_match);

static const struct spi_device_id fxls8962af_spi_id_table[] = {
	{ "fxls8962af", fxls8962af },
	{ "fxls8964af", fxls8964af },
	{}
};
MODULE_DEVICE_TABLE(spi, fxls8962af_spi_id_table);

static struct spi_driver fxls8962af_driver = {
	.driver = {
		   .name = "fxls8962af_spi",
		   .pm = &fxls8962af_pm_ops,
		   .of_match_table = fxls8962af_spi_of_match,
		   },
	.probe = fxls8962af_probe,
	.id_table = fxls8962af_spi_id_table,
};
module_spi_driver(fxls8962af_driver);

MODULE_AUTHOR("Sean Nyekjaer <sean@geanix.com>");
MODULE_DESCRIPTION("NXP FXLS8962AF/FXLS8964AF accelerometer spi driver");
MODULE_LICENSE("GPL v2");
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