summaryrefslogtreecommitdiffstats
path: root/drivers/iio/magnetometer/bmc150_magn_i2c.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/magnetometer/bmc150_magn_i2c.c')
-rw-r--r--drivers/iio/magnetometer/bmc150_magn_i2c.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/iio/magnetometer/bmc150_magn_i2c.c b/drivers/iio/magnetometer/bmc150_magn_i2c.c
new file mode 100644
index 000000000..876e96005
--- /dev/null
+++ b/drivers/iio/magnetometer/bmc150_magn_i2c.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * 3-axis magnetometer driver supporting following I2C Bosch-Sensortec chips:
+ * - BMC150
+ * - BMC156
+ * - BMM150
+ *
+ * Copyright (c) 2016, Intel Corporation.
+ */
+#include <linux/device.h>
+#include <linux/mod_devicetable.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/acpi.h>
+#include <linux/regmap.h>
+
+#include "bmc150_magn.h"
+
+static int bmc150_magn_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct regmap *regmap;
+ const char *name = NULL;
+
+ regmap = devm_regmap_init_i2c(client, &bmc150_magn_regmap_config);
+ if (IS_ERR(regmap)) {
+ dev_err(&client->dev, "Failed to initialize i2c regmap\n");
+ return PTR_ERR(regmap);
+ }
+
+ if (id)
+ name = id->name;
+
+ return bmc150_magn_probe(&client->dev, regmap, client->irq, name);
+}
+
+static int bmc150_magn_i2c_remove(struct i2c_client *client)
+{
+ return bmc150_magn_remove(&client->dev);
+}
+
+static const struct acpi_device_id bmc150_magn_acpi_match[] = {
+ {"BMC150B", 0},
+ {"BMC156B", 0},
+ {"BMM150B", 0},
+ {},
+};
+MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
+
+static const struct i2c_device_id bmc150_magn_i2c_id[] = {
+ {"bmc150_magn", 0},
+ {"bmc156_magn", 0},
+ {"bmm150_magn", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, bmc150_magn_i2c_id);
+
+static const struct of_device_id bmc150_magn_of_match[] = {
+ { .compatible = "bosch,bmc150_magn" },
+ { .compatible = "bosch,bmc156_magn" },
+ { .compatible = "bosch,bmm150_magn" }, /* deprecated compatible */
+ { .compatible = "bosch,bmm150" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, bmc150_magn_of_match);
+
+static struct i2c_driver bmc150_magn_driver = {
+ .driver = {
+ .name = "bmc150_magn_i2c",
+ .of_match_table = bmc150_magn_of_match,
+ .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match),
+ .pm = &bmc150_magn_pm_ops,
+ },
+ .probe = bmc150_magn_i2c_probe,
+ .remove = bmc150_magn_i2c_remove,
+ .id_table = bmc150_magn_i2c_id,
+};
+module_i2c_driver(bmc150_magn_driver);
+
+MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("BMC150 I2C magnetometer driver");