[PATCH V10 8/9] iio: imu: inv_icm42607: Add Gyroscope to icm42607

[Chris Morgan <macroalpha82@gmail.com>]

From: Chris Morgan <macromorgan@hotmail.com>

Add gyroscope functions to the icm42607 driver.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
---
 drivers/iio/imu/inv_icm42607/Makefile         |   1 +
 drivers/iio/imu/inv_icm42607/inv_icm42607.h   |   8 +
 .../iio/imu/inv_icm42607/inv_icm42607_core.c  |  48 ++
 .../iio/imu/inv_icm42607/inv_icm42607_gyro.c  | 437 ++++++++++++++++++
 4 files changed, 494 insertions(+)
 create mode 100644 drivers/iio/imu/inv_icm42607/inv_icm42607_gyro.c

diff --git a/drivers/iio/imu/inv_icm42607/Makefile b/drivers/iio/imu/inv_icm42607/Makefile
index d74b23b1e1bec..7b907e0196017 100644
--- a/drivers/iio/imu/inv_icm42607/Makefile
+++ b/drivers/iio/imu/inv_icm42607/Makefile
@@ -2,6 +2,7 @@
 
 obj-$(CONFIG_INV_ICM42607) += inv-icm42607.o
 inv-icm42607-y += inv_icm42607_core.o
+inv-icm42607-y += inv_icm42607_gyro.o
 inv-icm42607-y += inv_icm42607_accel.o
 inv-icm42607-y += inv_icm42607_temp.o
 
diff --git a/drivers/iio/imu/inv_icm42607/inv_icm42607.h b/drivers/iio/imu/inv_icm42607/inv_icm42607.h
index fb4bcc2b7da54..b2f081ec8776c 100644
--- a/drivers/iio/imu/inv_icm42607/inv_icm42607.h
+++ b/drivers/iio/imu/inv_icm42607/inv_icm42607.h
@@ -134,6 +134,7 @@ struct inv_icm42607_suspended {
  *  @orientation:	sensor chip orientation relative to main hardware.
  *  @conf:		chip sensors configurations.
  *  @suspended:		suspended sensors configuration.
+ *  @indio_gyro:	gyroscope IIO device.
  *  @indio_accel:	accelerometer IIO device.
  *  @buffer:		data transfer buffer aligned for DMA.
  */
@@ -146,6 +147,7 @@ struct inv_icm42607_state {
 	struct iio_mount_matrix orientation;
 	struct inv_icm42607_conf conf;
 	struct inv_icm42607_suspended suspended;
+	struct iio_dev *indio_gyro;
 	struct iio_dev *indio_accel;
 	__be16 buffer[3] __aligned(IIO_DMA_MINALIGN);
 };
@@ -401,6 +403,10 @@ int inv_icm42607_set_accel_conf(struct inv_icm42607_state *st,
 				struct inv_icm42607_sensor_conf *conf,
 				unsigned int *sleep_ms);
 
+int inv_icm42607_set_gyro_conf(struct inv_icm42607_state *st,
+			       struct inv_icm42607_sensor_conf *conf,
+			       unsigned int *sleep_ms);
+
 int inv_icm42607_set_temp_conf(struct inv_icm42607_state *st, bool enable,
 			       unsigned int *sleep_ms);
 
@@ -408,6 +414,8 @@ int inv_icm42607_core_probe(struct regmap *regmap,
 			    const struct inv_icm42607_hw *hw,
 			    inv_icm42607_bus_setup bus_setup);
 
+struct iio_dev *inv_icm42607_gyro_init(struct inv_icm42607_state *st);
+
 struct iio_dev *inv_icm42607_accel_init(struct inv_icm42607_state *st);
 
 #endif
diff --git a/drivers/iio/imu/inv_icm42607/inv_icm42607_core.c b/drivers/iio/imu/inv_icm42607/inv_icm42607_core.c
index 5f311cba0572c..fd06ef5ab1e6f 100644
--- a/drivers/iio/imu/inv_icm42607/inv_icm42607_core.c
+++ b/drivers/iio/imu/inv_icm42607/inv_icm42607_core.c
@@ -206,6 +206,49 @@ int inv_icm42607_set_accel_conf(struct inv_icm42607_state *st,
 					  st->conf.temp_en, sleep_ms);
 }
 
+int inv_icm42607_set_gyro_conf(struct inv_icm42607_state *st,
+			       struct inv_icm42607_sensor_conf *conf,
+			       unsigned int *sleep_ms)
+{
+	struct inv_icm42607_sensor_conf *oldconf = &st->conf.gyro;
+	unsigned int val;
+	int ret;
+
+	if (conf->mode < 0)
+		conf->mode = oldconf->mode;
+	if (conf->fs < 0)
+		conf->fs = oldconf->fs;
+	if (conf->odr < 0)
+		conf->odr = oldconf->odr;
+	if (conf->filter < 0)
+		conf->filter = oldconf->filter;
+
+	if (conf->fs != oldconf->fs || conf->odr != oldconf->odr) {
+		val = FIELD_PREP(INV_ICM42607_GYRO_CONFIG0_FS_SEL_MASK,
+				 conf->fs);
+		val |= FIELD_PREP(INV_ICM42607_GYRO_CONFIG0_ODR_MASK,
+				  conf->odr);
+		ret = regmap_write(st->map, INV_ICM42607_REG_GYRO_CONFIG0, val);
+		if (ret)
+			return ret;
+		oldconf->fs = conf->fs;
+		oldconf->odr = conf->odr;
+	}
+
+	if (conf->filter != oldconf->filter) {
+		val = FIELD_PREP(INV_ICM42607_GYRO_CONFIG1_FILTER_MASK,
+				 conf->filter);
+		ret = regmap_update_bits(st->map, INV_ICM42607_REG_GYRO_CONFIG1,
+					 INV_ICM42607_GYRO_CONFIG1_FILTER_MASK, val);
+		if (ret)
+			return ret;
+		oldconf->filter = conf->filter;
+	}
+
+	return inv_icm42607_set_pwr_mgmt0(st, conf->mode, st->conf.accel.mode,
+					  st->conf.temp_en, sleep_ms);
+}
+
 int inv_icm42607_set_temp_conf(struct inv_icm42607_state *st, bool enable,
 			       unsigned int *sleep_ms)
 {
@@ -421,6 +464,11 @@ int inv_icm42607_core_probe(struct regmap *regmap,
 	if (IS_ERR(st->indio_accel))
 		return PTR_ERR(st->indio_accel);
 
+	/* Initialize IIO device for Gyro */
+	st->indio_gyro = inv_icm42607_gyro_init(st);
+	if (IS_ERR(st->indio_gyro))
+		return PTR_ERR(st->indio_gyro);
+
 	return 0;
 }
 EXPORT_SYMBOL_NS_GPL(inv_icm42607_core_probe, "IIO_ICM42607");
diff --git a/drivers/iio/imu/inv_icm42607/inv_icm42607_gyro.c b/drivers/iio/imu/inv_icm42607/inv_icm42607_gyro.c
new file mode 100644
index 0000000000000..0f2703342122b
--- /dev/null
+++ b/drivers/iio/imu/inv_icm42607/inv_icm42607_gyro.c
@@ -0,0 +1,437 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2026 InvenSense, Inc.
+ */
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/iio/iio.h>
+#include <linux/math64.h>
+#include <linux/mutex.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+
+#include <linux/iio/common/inv_sensors_timestamp.h>
+#include "inv_icm42607.h"
+#include "inv_icm42607_temp.h"
+
+#define INV_ICM42607_GYRO_CHAN(_modifier, _index, _ext_info)	\
+{								\
+	.type = IIO_ANGL_VEL,					\
+	.modified = 1,						\
+	.channel2 = _modifier,					\
+	.info_mask_separate =					\
+		BIT(IIO_CHAN_INFO_RAW),				\
+	.info_mask_shared_by_type =				\
+		BIT(IIO_CHAN_INFO_SCALE),			\
+	.info_mask_shared_by_all =				\
+		BIT(IIO_CHAN_INFO_SAMP_FREQ),			\
+	.scan_index = _index,					\
+	.scan_type = {						\
+		.sign = 's',					\
+		.realbits = 16,					\
+		.storagebits = 16,				\
+		.endianness = IIO_BE,				\
+	},							\
+	.ext_info = _ext_info,					\
+}
+
+enum inv_icm42607_gyro_scan {
+	INV_ICM42607_GYRO_SCAN_X,
+	INV_ICM42607_GYRO_SCAN_Y,
+	INV_ICM42607_GYRO_SCAN_Z,
+	INV_ICM42607_GYRO_SCAN_TEMP,
+	INV_ICM42607_GYRO_SCAN_TIMESTAMP,
+};
+
+static const struct iio_chan_spec_ext_info inv_icm42607_gyro_ext_infos[] = {
+	IIO_MOUNT_MATRIX(IIO_SHARED_BY_ALL, inv_icm42607_get_mount_matrix),
+	{ }
+};
+
+static const struct iio_chan_spec inv_icm42607_gyro_channels[] = {
+	INV_ICM42607_GYRO_CHAN(IIO_MOD_X, INV_ICM42607_GYRO_SCAN_X,
+			       inv_icm42607_gyro_ext_infos),
+	INV_ICM42607_GYRO_CHAN(IIO_MOD_Y, INV_ICM42607_GYRO_SCAN_Y,
+			       inv_icm42607_gyro_ext_infos),
+	INV_ICM42607_GYRO_CHAN(IIO_MOD_Z, INV_ICM42607_GYRO_SCAN_Z,
+			       inv_icm42607_gyro_ext_infos),
+	INV_ICM42607_TEMP_CHAN(INV_ICM42607_GYRO_SCAN_TEMP),
+	IIO_CHAN_SOFT_TIMESTAMP(INV_ICM42607_GYRO_SCAN_TIMESTAMP),
+};
+
+#define INV_ICM42607_SCAN_MASK_GYRO_3AXIS				\
+	(BIT(INV_ICM42607_GYRO_SCAN_X) |				\
+	 BIT(INV_ICM42607_GYRO_SCAN_Y) |				\
+	 BIT(INV_ICM42607_GYRO_SCAN_Z))
+
+#define INV_ICM42607_SCAN_MASK_TEMP	BIT(INV_ICM42607_GYRO_SCAN_TEMP)
+
+static const unsigned long inv_icm42607_gyro_scan_masks[] = {
+	INV_ICM42607_SCAN_MASK_GYRO_3AXIS,
+	INV_ICM42607_SCAN_MASK_GYRO_3AXIS | INV_ICM42607_SCAN_MASK_TEMP,
+	0
+};
+
+/* enable gyroscope sensor */
+static int inv_icm42607_gyro_update_scan_mode(struct iio_dev *indio_dev,
+					      const unsigned long *scan_mask)
+{
+	struct inv_icm42607_state *st = iio_device_get_drvdata(indio_dev);
+	struct inv_icm42607_sensor_conf conf = INV_ICM42607_SENSOR_CONF_INIT;
+	unsigned int sleep_gyro = 0;
+	unsigned int sleep_temp = 0;
+	int ret;
+
+	mutex_lock(&st->lock);
+
+	if (*scan_mask & INV_ICM42607_SCAN_MASK_TEMP) {
+		/* enable temp sensor */
+		ret = inv_icm42607_set_temp_conf(st, true, &sleep_temp);
+		if (ret)
+			goto out_unlock;
+	}
+
+	if (*scan_mask & INV_ICM42607_SCAN_MASK_GYRO_3AXIS) {
+		/* enable gyro sensor */
+		conf.mode = INV_ICM42607_SENSOR_MODE_LOW_NOISE;
+		ret = inv_icm42607_set_gyro_conf(st, &conf, &sleep_gyro);
+		if (ret)
+			goto out_unlock;
+	}
+
+out_unlock:
+	mutex_unlock(&st->lock);
+	/* sleep maximum required time */
+	msleep(max(sleep_gyro, sleep_temp));
+	return ret;
+}
+
+static int inv_icm42607_gyro_read_sensor(struct iio_dev *indio_dev,
+					 struct iio_chan_spec const *chan,
+					 s16 *val)
+{
+	struct inv_icm42607_state *st = iio_device_get_drvdata(indio_dev);
+	struct inv_icm42607_sensor_state *gyro_st = iio_priv(indio_dev);
+	struct device *dev = regmap_get_device(st->map);
+	struct inv_icm42607_sensor_conf conf = INV_ICM42607_SENSOR_CONF_INIT;
+	unsigned int reg;
+	__be16 *data;
+	int ret;
+
+	if (chan->type != IIO_ANGL_VEL)
+		return -EINVAL;
+
+	switch (chan->channel2) {
+	case IIO_MOD_X:
+		reg = INV_ICM42607_REG_GYRO_DATA_X1;
+		break;
+	case IIO_MOD_Y:
+		reg = INV_ICM42607_REG_GYRO_DATA_Y1;
+		break;
+	case IIO_MOD_Z:
+		reg = INV_ICM42607_REG_GYRO_DATA_Z1;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	PM_RUNTIME_ACQUIRE_AUTOSUSPEND(dev, pm);
+	ret = PM_RUNTIME_ACQUIRE_ERR(&pm);
+	if (ret)
+		return ret;
+
+	guard(mutex)(&st->lock);
+
+	/* enable gyro sensor */
+	conf.mode = gyro_st->power_mode;
+	ret = inv_icm42607_set_gyro_conf(st, &conf, NULL);
+	if (ret)
+		return ret;
+
+	/* read gyro register data */
+	data = &st->buffer[0];
+	ret = regmap_bulk_read(st->map, reg, data, sizeof(*data));
+	if (ret)
+		return ret;
+
+	*val = be16_to_cpup(data);
+	if (*val == INV_ICM42607_DATA_INVALID)
+		return -EINVAL;
+
+	return 0;
+}
+
+static const int inv_icm42607_gyro_scale_nano[][2] = {
+	[INV_ICM42607_GYRO_FS_2000DPS] = { 0, 1065264 },
+	[INV_ICM42607_GYRO_FS_1000DPS] = { 0, 532632 },
+	[INV_ICM42607_GYRO_FS_500DPS] = { 0, 266316 },
+	[INV_ICM42607_GYRO_FS_250DPS] = { 0, 133158 },
+};
+
+static int inv_icm42607_gyro_read_scale(struct iio_dev *indio_dev,
+					int *val, int *val2)
+{
+	struct inv_icm42607_state *st = iio_device_get_drvdata(indio_dev);
+	unsigned int idx;
+
+	idx = st->conf.gyro.fs;
+
+	*val = inv_icm42607_gyro_scale_nano[idx][0];
+	*val2 = inv_icm42607_gyro_scale_nano[idx][1];
+	return IIO_VAL_INT_PLUS_NANO;
+}
+
+static int inv_icm42607_gyro_write_scale(struct iio_dev *indio_dev,
+					 int val, int val2)
+{
+	struct inv_icm42607_state *st = iio_device_get_drvdata(indio_dev);
+	struct device *dev = regmap_get_device(st->map);
+	unsigned int idx;
+	struct inv_icm42607_sensor_conf conf = INV_ICM42607_SENSOR_CONF_INIT;
+	size_t scales_len = ARRAY_SIZE(inv_icm42607_gyro_scale_nano);
+	int ret;
+
+	for (idx = 0; idx < scales_len; idx++) {
+		if (val == inv_icm42607_gyro_scale_nano[idx][0] &&
+		    val2 == inv_icm42607_gyro_scale_nano[idx][1])
+			break;
+	}
+	if (idx >= scales_len)
+		return -EINVAL;
+
+	conf.fs = idx;
+
+	PM_RUNTIME_ACQUIRE_AUTOSUSPEND(dev, pm);
+	ret = PM_RUNTIME_ACQUIRE_ERR(&pm);
+	if (ret)
+		return ret;
+
+	guard(mutex)(&st->lock);
+
+	return inv_icm42607_set_gyro_conf(st, &conf, NULL);
+}
+
+static const int inv_icm42607_gyro_odr[][2] = {
+	[INV_ICM42607_ODR_12_5HZ] = { 12, 500000 },
+	[INV_ICM42607_ODR_25HZ] = { 25, 0 },
+	[INV_ICM42607_ODR_50HZ] = { 50, 0 },
+	[INV_ICM42607_ODR_100HZ] = { 100, 0 },
+	[INV_ICM42607_ODR_200HZ] = { 200, 0 },
+	[INV_ICM42607_ODR_400HZ] = { 400, 0 },
+	[INV_ICM42607_ODR_800HZ] = { 800, 0 },
+	[INV_ICM42607_ODR_1600HZ] = { 1600, 0 },
+};
+
+static int inv_icm42607_gyro_read_odr(struct inv_icm42607_state *st,
+				      int *val, int *val2)
+{
+	unsigned int odr;
+	unsigned int i;
+
+	odr = st->conf.gyro.odr;
+
+	for (i = 5; i < ARRAY_SIZE(inv_icm42607_gyro_odr); ++i) {
+		if (i == odr)
+			break;
+	}
+	if (i >= ARRAY_SIZE(inv_icm42607_gyro_odr))
+		return -EINVAL;
+
+	*val = inv_icm42607_gyro_odr[i][0];
+	*val2 = inv_icm42607_gyro_odr[i][1];
+
+	return IIO_VAL_INT_PLUS_MICRO;
+}
+
+static int inv_icm42607_gyro_write_odr(struct iio_dev *indio_dev,
+				       int val, int val2)
+{
+	struct inv_icm42607_state *st = iio_device_get_drvdata(indio_dev);
+	struct inv_icm42607_sensor_state *gyro_st = iio_priv(indio_dev);
+	struct inv_sensors_timestamp *ts = &gyro_st->ts;
+	struct device *dev = regmap_get_device(st->map);
+	unsigned int idx;
+	struct inv_icm42607_sensor_conf conf = INV_ICM42607_SENSOR_CONF_INIT;
+	int ret;
+
+	for (idx = 5; idx < ARRAY_SIZE(inv_icm42607_gyro_odr); ++idx) {
+		if (val == inv_icm42607_gyro_odr[idx][0] &&
+		    val2 == inv_icm42607_gyro_odr[idx][1])
+			break;
+	}
+	if (idx >= ARRAY_SIZE(inv_icm42607_gyro_odr))
+		return -EINVAL;
+
+	conf.odr = idx;
+
+	PM_RUNTIME_ACQUIRE_AUTOSUSPEND(dev, pm);
+	ret = PM_RUNTIME_ACQUIRE_ERR(&pm);
+	if (ret)
+		return ret;
+
+	guard(mutex)(&st->lock);
+
+	ret = inv_sensors_timestamp_update_odr(ts, inv_icm42607_odr_to_period(conf.odr),
+					       iio_buffer_enabled(indio_dev));
+	if (ret)
+		return ret;
+
+	ret = inv_icm42607_set_gyro_conf(st, &conf, NULL);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int inv_icm42607_gyro_read_raw(struct iio_dev *indio_dev,
+				      struct iio_chan_spec const *chan,
+				      int *val, int *val2, long mask)
+{
+	struct inv_icm42607_state *st = iio_device_get_drvdata(indio_dev);
+	s16 data;
+	int ret;
+
+	switch (chan->type) {
+	case IIO_ANGL_VEL:
+		break;
+	case IIO_TEMP:
+		return inv_icm42607_temp_read_raw(indio_dev, chan, val, val2, mask);
+	default:
+		return -EINVAL;
+	}
+
+	switch (mask) {
+	case IIO_CHAN_INFO_RAW:
+		if (!iio_device_claim_direct(indio_dev))
+			return -EBUSY;
+		ret = inv_icm42607_gyro_read_sensor(indio_dev, chan, &data);
+		iio_device_release_direct(indio_dev);
+		if (ret)
+			return ret;
+		*val = data;
+		return IIO_VAL_INT;
+	case IIO_CHAN_INFO_SCALE:
+		return inv_icm42607_gyro_read_scale(indio_dev, val, val2);
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		return inv_icm42607_gyro_read_odr(st, val, val2);
+	default:
+		return -EINVAL;
+	}
+}
+
+static int inv_icm42607_gyro_read_avail(struct iio_dev *indio_dev,
+					struct iio_chan_spec const *chan,
+					const int **vals,
+					int *type, int *length, long mask)
+{
+	if (chan->type != IIO_ANGL_VEL)
+		return -EINVAL;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_SCALE:
+		*vals = (const int *)inv_icm42607_gyro_scale_nano;
+		*type = IIO_VAL_INT_PLUS_NANO;
+		*length = ARRAY_SIZE(inv_icm42607_gyro_scale_nano) * 2;
+		return IIO_AVAIL_LIST;
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		*vals = (const int *)inv_icm42607_gyro_odr[5];
+		*type = IIO_VAL_INT_PLUS_MICRO;
+		*length = (ARRAY_SIZE(inv_icm42607_gyro_odr) - 5) * 2;
+		return IIO_AVAIL_LIST;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int inv_icm42607_gyro_write_raw(struct iio_dev *indio_dev,
+				       struct iio_chan_spec const *chan,
+				       int val, int val2, long mask)
+{
+	int ret;
+
+	if (chan->type != IIO_ANGL_VEL)
+		return -EINVAL;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_SCALE:
+		if (!iio_device_claim_direct(indio_dev))
+			return -EBUSY;
+		ret = inv_icm42607_gyro_write_scale(indio_dev, val, val2);
+		iio_device_release_direct(indio_dev);
+		return ret;
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		return inv_icm42607_gyro_write_odr(indio_dev, val, val2);
+	default:
+		return -EINVAL;
+	}
+}
+
+static int inv_icm42607_gyro_write_raw_get_fmt(struct iio_dev *indio_dev,
+					       struct iio_chan_spec const *chan,
+					       long mask)
+{
+	if (chan->type != IIO_ANGL_VEL)
+		return -EINVAL;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_SCALE:
+		return IIO_VAL_INT_PLUS_NANO;
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		return IIO_VAL_INT_PLUS_MICRO;
+	default:
+		return -EINVAL;
+	}
+}
+
+static const struct iio_info inv_icm42607_gyro_info = {
+	.read_raw = inv_icm42607_gyro_read_raw,
+	.read_avail = inv_icm42607_gyro_read_avail,
+	.write_raw = inv_icm42607_gyro_write_raw,
+	.write_raw_get_fmt = inv_icm42607_gyro_write_raw_get_fmt,
+	.update_scan_mode = inv_icm42607_gyro_update_scan_mode,
+};
+
+struct iio_dev *inv_icm42607_gyro_init(struct inv_icm42607_state *st)
+{
+	struct device *dev = regmap_get_device(st->map);
+	const char *name;
+	struct inv_icm42607_sensor_state *gyro_st;
+	struct inv_sensors_timestamp_chip ts_chip;
+	struct iio_dev *indio_dev;
+	int ret;
+
+	name = devm_kasprintf(dev, GFP_KERNEL, "%s-gyro", st->hw->name);
+	if (!name)
+		return ERR_PTR(-ENOMEM);
+
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*gyro_st));
+	if (!indio_dev)
+		return ERR_PTR(-ENOMEM);
+	gyro_st = iio_priv(indio_dev);
+
+	gyro_st->power_mode = INV_ICM42607_SENSOR_MODE_LOW_NOISE;
+
+	/*
+	 * clock period is 32kHz (31250ns)
+	 * jitter is +/- 2% (20 per mille)
+	 */
+	ts_chip.clock_period = 31250;
+	ts_chip.jitter = 20;
+	ts_chip.init_period = inv_icm42607_odr_to_period(st->conf.gyro.odr);
+	inv_sensors_timestamp_init(&gyro_st->ts, &ts_chip);
+
+	iio_device_set_drvdata(indio_dev, st);
+	indio_dev->name = name;
+	indio_dev->info = &inv_icm42607_gyro_info;
+	indio_dev->modes = INDIO_DIRECT_MODE;
+	indio_dev->channels = inv_icm42607_gyro_channels;
+	indio_dev->num_channels = ARRAY_SIZE(inv_icm42607_gyro_channels);
+	indio_dev->available_scan_masks = inv_icm42607_gyro_scan_masks;
+
+	ret = devm_iio_device_register(dev, indio_dev);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return indio_dev;
+}
-- 
2.43.0