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path: root/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
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Diffstat (limited to 'drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c')
-rw-r--r--drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
new file mode 100644
index 000000000..377c4e999
--- /dev/null
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
@@ -0,0 +1,92 @@
+/*
+ * STMicroelectronics st_lsm6dsx i2c driver
+ *
+ * Copyright 2016 STMicroelectronics Inc.
+ *
+ * Lorenzo Bianconi <lorenzo.bianconi@st.com>
+ * Denis Ciocca <denis.ciocca@st.com>
+ *
+ * Licensed under the GPL-2.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+
+#include "st_lsm6dsx.h"
+
+static const struct regmap_config st_lsm6dsx_i2c_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
+static int st_lsm6dsx_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ int hw_id = id->driver_data;
+ struct regmap *regmap;
+
+ regmap = devm_regmap_init_i2c(client, &st_lsm6dsx_i2c_regmap_config);
+ if (IS_ERR(regmap)) {
+ dev_err(&client->dev, "Failed to register i2c regmap %d\n",
+ (int)PTR_ERR(regmap));
+ return PTR_ERR(regmap);
+ }
+
+ return st_lsm6dsx_probe(&client->dev, client->irq,
+ hw_id, id->name, regmap);
+}
+
+static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
+ {
+ .compatible = "st,lsm6ds3",
+ .data = (void *)ST_LSM6DS3_ID,
+ },
+ {
+ .compatible = "st,lsm6ds3h",
+ .data = (void *)ST_LSM6DS3H_ID,
+ },
+ {
+ .compatible = "st,lsm6dsl",
+ .data = (void *)ST_LSM6DSL_ID,
+ },
+ {
+ .compatible = "st,lsm6dsm",
+ .data = (void *)ST_LSM6DSM_ID,
+ },
+ {
+ .compatible = "st,ism330dlc",
+ .data = (void *)ST_ISM330DLC_ID,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
+
+static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
+ { ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
+ { ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
+ { ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
+ { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
+ { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID },
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table);
+
+static struct i2c_driver st_lsm6dsx_driver = {
+ .driver = {
+ .name = "st_lsm6dsx_i2c",
+ .pm = &st_lsm6dsx_pm_ops,
+ .of_match_table = of_match_ptr(st_lsm6dsx_i2c_of_match),
+ },
+ .probe = st_lsm6dsx_i2c_probe,
+ .id_table = st_lsm6dsx_i2c_id_table,
+};
+module_i2c_driver(st_lsm6dsx_driver);
+
+MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
+MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
+MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i2c driver");
+MODULE_LICENSE("GPL v2");