summaryrefslogtreecommitdiffstats
path: root/drivers/iio/chemical/bme680_i2c.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/chemical/bme680_i2c.c')
-rw-r--r--drivers/iio/chemical/bme680_i2c.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/iio/chemical/bme680_i2c.c b/drivers/iio/chemical/bme680_i2c.c
new file mode 100644
index 0000000000..1c7076cf91
--- /dev/null
+++ b/drivers/iio/chemical/bme680_i2c.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * BME680 - I2C Driver
+ *
+ * Copyright (C) 2018 Himanshu Jha <himanshujha199640@gmail.com>
+ *
+ * 7-Bit I2C slave address is:
+ * - 0x76 if SDO is pulled to GND
+ * - 0x77 if SDO is pulled to VDDIO
+ *
+ * Note: SDO pin cannot be left floating otherwise I2C address
+ * will be undefined.
+ */
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+
+#include "bme680.h"
+
+static int bme680_i2c_probe(struct i2c_client *client)
+{
+ const struct i2c_device_id *id = i2c_client_get_device_id(client);
+ struct regmap *regmap;
+ const char *name = NULL;
+
+ regmap = devm_regmap_init_i2c(client, &bme680_regmap_config);
+ if (IS_ERR(regmap)) {
+ dev_err(&client->dev, "Failed to register i2c regmap %ld\n", PTR_ERR(regmap));
+ return PTR_ERR(regmap);
+ }
+
+ if (id)
+ name = id->name;
+
+ return bme680_core_probe(&client->dev, regmap, name);
+}
+
+static const struct i2c_device_id bme680_i2c_id[] = {
+ {"bme680", 0},
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, bme680_i2c_id);
+
+static const struct of_device_id bme680_of_i2c_match[] = {
+ { .compatible = "bosch,bme680", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, bme680_of_i2c_match);
+
+static struct i2c_driver bme680_i2c_driver = {
+ .driver = {
+ .name = "bme680_i2c",
+ .of_match_table = bme680_of_i2c_match,
+ },
+ .probe = bme680_i2c_probe,
+ .id_table = bme680_i2c_id,
+};
+module_i2c_driver(bme680_i2c_driver);
+
+MODULE_AUTHOR("Himanshu Jha <himanshujha199640@gmail.com>");
+MODULE_DESCRIPTION("BME680 I2C driver");
+MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_BME680);