1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/iio/imu/bmi160/bmi160_i2c.c b/drivers/iio/imu/bmi160/bmi160_i2c.c
new file mode 100644
index 000000000000..3e2758f4e0d3
--- /dev/null
+++ b/drivers/iio/imu/bmi160/bmi160_i2c.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * BMI160 - Bosch IMU, I2C bits
+ *
+ * Copyright (c) 2016, Intel Corporation.
+ *
+ * 7-bit I2C slave address is:
+ *      - 0x68 if SDO is pulled to GND
+ *      - 0x69 if SDO is pulled to VDDIO
+ */
+#include <linux/i2c.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/pm.h>
+#include <linux/regmap.h>
+
+#include "bmi160.h"
+
+static int bmi160_i2c_probe(struct i2c_client *client)
+{
+	const struct i2c_device_id *id = i2c_client_get_device_id(client);
+	struct regmap *regmap;
+	const char *name;
+
+	regmap = devm_regmap_init_i2c(client, &bmi160_regmap_config);
+	if (IS_ERR(regmap)) {
+		dev_err(&client->dev, "Failed to register i2c regmap: %pe\n",
+			regmap);
+		return PTR_ERR(regmap);
+	}
+
+	if (id)
+		name = id->name;
+	else
+		name = dev_name(&client->dev);
+
+	return bmi160_core_probe(&client->dev, regmap, name, false);
+}
+
+static const struct i2c_device_id bmi160_i2c_id[] = {
+	{ "bmi120" },
+	{ "bmi160" },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, bmi160_i2c_id);
+
+static const struct acpi_device_id bmi160_acpi_match[] = {
+	/*
+	 * FIRMWARE BUG WORKAROUND
+	 * Some manufacturers like GPD, Lenovo or Aya used the incorrect
+	 * ID "10EC5280" for bmi160 in their DSDT. A fixed firmware is not
+	 * available as of Feb 2024 after trying to work with OEMs, and
+	 * this is not expected to change anymore since at least some of
+	 * the affected devices are from 2021/2022.
+	 */
+	{"10EC5280", 0},
+	{"BMI0120", 0},
+	{"BMI0160", 0},
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);
+
+static const struct of_device_id bmi160_of_match[] = {
+	{ .compatible = "bosch,bmi120" },
+	{ .compatible = "bosch,bmi160" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, bmi160_of_match);
+
+static struct i2c_driver bmi160_i2c_driver = {
+	.driver = {
+		.name			= "bmi160_i2c",
+		.pm			= pm_ptr(&bmi160_core_pm_ops),
+		.acpi_match_table	= bmi160_acpi_match,
+		.of_match_table		= bmi160_of_match,
+	},
+	.probe		= bmi160_i2c_probe,
+	.id_table	= bmi160_i2c_id,
+};
+module_i2c_driver(bmi160_i2c_driver);
+
+MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>");
+MODULE_DESCRIPTION("BMI160 I2C driver");
+MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS("IIO_BMI160");