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-rw-r--r--drivers/iio/gyro/st_gyro_i2c.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/iio/gyro/st_gyro_i2c.c b/drivers/iio/gyro/st_gyro_i2c.c
new file mode 100644
index 000000000..8c7af42b6
--- /dev/null
+++ b/drivers/iio/gyro/st_gyro_i2c.c
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * STMicroelectronics gyroscopes driver
+ *
+ * Copyright 2012-2013 STMicroelectronics Inc.
+ *
+ * Denis Ciocca <denis.ciocca@st.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/i2c.h>
+#include <linux/iio/iio.h>
+
+#include <linux/iio/common/st_sensors.h>
+#include <linux/iio/common/st_sensors_i2c.h>
+#include "st_gyro.h"
+
+static const struct of_device_id st_gyro_of_match[] = {
+ {
+ .compatible = "st,l3g4200d-gyro",
+ .data = L3G4200D_GYRO_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm330d-gyro",
+ .data = LSM330D_GYRO_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm330dl-gyro",
+ .data = LSM330DL_GYRO_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm330dlc-gyro",
+ .data = LSM330DLC_GYRO_DEV_NAME,
+ },
+ {
+ .compatible = "st,l3gd20-gyro",
+ .data = L3GD20_GYRO_DEV_NAME,
+ },
+ {
+ .compatible = "st,l3gd20h-gyro",
+ .data = L3GD20H_GYRO_DEV_NAME,
+ },
+ {
+ .compatible = "st,l3g4is-gyro",
+ .data = L3G4IS_GYRO_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm330-gyro",
+ .data = LSM330_GYRO_DEV_NAME,
+ },
+ {
+ .compatible = "st,lsm9ds0-gyro",
+ .data = LSM9DS0_GYRO_DEV_NAME,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, st_gyro_of_match);
+
+static int st_gyro_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ const struct st_sensor_settings *settings;
+ struct st_sensor_data *gdata;
+ struct iio_dev *indio_dev;
+ int err;
+
+ st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name));
+
+ settings = st_gyro_get_settings(client->name);
+ if (!settings) {
+ dev_err(&client->dev, "device name %s not recognized.\n",
+ client->name);
+ return -ENODEV;
+ }
+
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*gdata));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ gdata = iio_priv(indio_dev);
+ gdata->sensor_settings = (struct st_sensor_settings *)settings;
+
+ err = st_sensors_i2c_configure(indio_dev, client);
+ if (err < 0)
+ return err;
+
+ err = st_sensors_power_enable(indio_dev);
+ if (err)
+ return err;
+
+ return st_gyro_common_probe(indio_dev);
+}
+
+static const struct i2c_device_id st_gyro_id_table[] = {
+ { L3G4200D_GYRO_DEV_NAME },
+ { LSM330D_GYRO_DEV_NAME },
+ { LSM330DL_GYRO_DEV_NAME },
+ { LSM330DLC_GYRO_DEV_NAME },
+ { L3GD20_GYRO_DEV_NAME },
+ { L3GD20H_GYRO_DEV_NAME },
+ { L3G4IS_GYRO_DEV_NAME },
+ { LSM330_GYRO_DEV_NAME },
+ { LSM9DS0_GYRO_DEV_NAME },
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, st_gyro_id_table);
+
+static struct i2c_driver st_gyro_driver = {
+ .driver = {
+ .name = "st-gyro-i2c",
+ .of_match_table = st_gyro_of_match,
+ },
+ .probe = st_gyro_i2c_probe,
+ .id_table = st_gyro_id_table,
+};
+module_i2c_driver(st_gyro_driver);
+
+MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
+MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver");
+MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);