These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / iio / gyro / bmg160_i2c.c

diff --git a/kernel/drivers/iio/gyro/bmg160_i2c.c b/kernel/drivers/iio/gyro/bmg160_i2c.c
new file mode 100644 (file)
index 0000000..90126a5
--- /dev/null
+++ b/kernel/drivers/iio/gyro/bmg160_i2c.c
@@ -0,0 +1,71 @@
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/iio/iio.h>
+#include <linux/module.h>
+#include <linux/acpi.h>
+
+#include "bmg160.h"
+
+static const struct regmap_config bmg160_regmap_i2c_conf = {
+       .reg_bits = 8,
+       .val_bits = 8,
+       .max_register = 0x3f
+};
+
+static int bmg160_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, &bmg160_regmap_i2c_conf);
+       if (IS_ERR(regmap)) {
+               dev_err(&client->dev, "Failed to register i2c regmap %d\n",
+                       (int)PTR_ERR(regmap));
+               return PTR_ERR(regmap);
+       }
+
+       if (id)
+               name = id->name;
+
+       return bmg160_core_probe(&client->dev, regmap, client->irq, name);
+}
+
+static int bmg160_i2c_remove(struct i2c_client *client)
+{
+       bmg160_core_remove(&client->dev);
+
+       return 0;
+}
+
+static const struct acpi_device_id bmg160_acpi_match[] = {
+       {"BMG0160", 0},
+       {"BMI055B", 0},
+       {},
+};
+
+MODULE_DEVICE_TABLE(acpi, bmg160_acpi_match);
+
+static const struct i2c_device_id bmg160_i2c_id[] = {
+       {"bmg160", 0},
+       {"bmi055_gyro", 0},
+       {}
+};
+
+MODULE_DEVICE_TABLE(i2c, bmg160_i2c_id);
+
+static struct i2c_driver bmg160_i2c_driver = {
+       .driver = {
+               .name   = "bmg160_i2c",
+               .acpi_match_table = ACPI_PTR(bmg160_acpi_match),
+               .pm     = &bmg160_pm_ops,
+       },
+       .probe          = bmg160_i2c_probe,
+       .remove         = bmg160_i2c_remove,
+       .id_table       = bmg160_i2c_id,
+};
+module_i2c_driver(bmg160_i2c_driver);
+
+MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("BMG160 I2C Gyro driver");