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authorMarkus Pargmann <mpa@pengutronix.de>2015-08-19 14:12:45 +0200
committerJonathan Cameron <jic23@kernel.org>2015-08-31 17:04:23 +0100
commit13426454b6493a847cebe276fb1ec3a7f1d48d0e (patch)
tree44e0323857282192fc582d197e5b2581b50c300a /drivers/iio/gyro/bmg160_i2c.c
parentcb119d5350839297bbe8a382dbb2feff545742b5 (diff)
downloadlinux-13426454b6493a847cebe276fb1ec3a7f1d48d0e.tar.bz2
iio: bmg160: Separate i2c and core driver
This patch separates the core driver using regmap and the i2c driver which creates the i2c regmap. Also in the Kconfig file BMG160 and BMG160_I2C are separate now. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/gyro/bmg160_i2c.c')
-rw-r--r--drivers/iio/gyro/bmg160_i2c.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/iio/gyro/bmg160_i2c.c b/drivers/iio/gyro/bmg160_i2c.c
new file mode 100644
index 000000000000..90126a5a7663
--- /dev/null
+++ b/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");