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path: root/drivers/iio/pressure/bmp280-i2c.c
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Diffstat (limited to 'drivers/iio/pressure/bmp280-i2c.c')
-rw-r--r--drivers/iio/pressure/bmp280-i2c.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/iio/pressure/bmp280-i2c.c b/drivers/iio/pressure/bmp280-i2c.c
new file mode 100644
index 000000000000..03742b15b72a
--- /dev/null
+++ b/drivers/iio/pressure/bmp280-i2c.c
@@ -0,0 +1,91 @@
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/acpi.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+
+#include "bmp280.h"
+
+static int bmp280_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct regmap *regmap;
+ const struct regmap_config *regmap_config;
+
+ switch (id->driver_data) {
+ case BMP180_CHIP_ID:
+ regmap_config = &bmp180_regmap_config;
+ break;
+ case BMP280_CHIP_ID:
+ case BME280_CHIP_ID:
+ regmap_config = &bmp280_regmap_config;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ regmap = devm_regmap_init_i2c(client, regmap_config);
+ if (IS_ERR(regmap)) {
+ dev_err(&client->dev, "failed to allocate register map\n");
+ return PTR_ERR(regmap);
+ }
+
+ return bmp280_common_probe(&client->dev,
+ regmap,
+ id->driver_data,
+ id->name,
+ client->irq);
+}
+
+static int bmp280_i2c_remove(struct i2c_client *client)
+{
+ return bmp280_common_remove(&client->dev);
+}
+
+static const struct acpi_device_id bmp280_acpi_i2c_match[] = {
+ {"BMP0280", BMP280_CHIP_ID },
+ {"BMP0180", BMP180_CHIP_ID },
+ {"BMP0085", BMP180_CHIP_ID },
+ {"BME0280", BME280_CHIP_ID },
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, bmp280_acpi_i2c_match);
+
+#ifdef CONFIG_OF
+static const struct of_device_id bmp280_of_i2c_match[] = {
+ { .compatible = "bosch,bme280", .data = (void *)BME280_CHIP_ID },
+ { .compatible = "bosch,bmp280", .data = (void *)BMP280_CHIP_ID },
+ { .compatible = "bosch,bmp180", .data = (void *)BMP180_CHIP_ID },
+ { .compatible = "bosch,bmp085", .data = (void *)BMP180_CHIP_ID },
+ { },
+};
+MODULE_DEVICE_TABLE(of, bmp280_of_i2c_match);
+#else
+#define bmp280_of_i2c_match NULL
+#endif
+
+static const struct i2c_device_id bmp280_i2c_id[] = {
+ {"bmp280", BMP280_CHIP_ID },
+ {"bmp180", BMP180_CHIP_ID },
+ {"bmp085", BMP180_CHIP_ID },
+ {"bme280", BME280_CHIP_ID },
+ { },
+};
+MODULE_DEVICE_TABLE(i2c, bmp280_i2c_id);
+
+static struct i2c_driver bmp280_i2c_driver = {
+ .driver = {
+ .name = "bmp280",
+ .acpi_match_table = ACPI_PTR(bmp280_acpi_i2c_match),
+ .of_match_table = of_match_ptr(bmp280_of_i2c_match),
+ .pm = &bmp280_dev_pm_ops,
+ },
+ .probe = bmp280_i2c_probe,
+ .remove = bmp280_i2c_remove,
+ .id_table = bmp280_i2c_id,
+};
+module_i2c_driver(bmp280_i2c_driver);
+
+MODULE_AUTHOR("Vlad Dogaru <vlad.dogaru@intel.com>");
+MODULE_DESCRIPTION("Driver for Bosch Sensortec BMP180/BMP280 pressure and temperature sensor");
+MODULE_LICENSE("GPL v2");