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-rw-r--r--Documentation/devicetree/bindings/iio/accel/adxl345.txt7
-rw-r--r--drivers/iio/accel/Kconfig4
-rw-r--r--drivers/iio/accel/adxl345.h7
-rw-r--r--drivers/iio/accel/adxl345_core.c19
-rw-r--r--drivers/iio/accel/adxl345_i2c.c7
-rw-r--r--drivers/iio/accel/adxl345_spi.c6
6 files changed, 39 insertions, 11 deletions
diff --git a/Documentation/devicetree/bindings/iio/accel/adxl345.txt b/Documentation/devicetree/bindings/iio/accel/adxl345.txt
index e7111b02c02c..bb7fc0bd5776 100644
--- a/Documentation/devicetree/bindings/iio/accel/adxl345.txt
+++ b/Documentation/devicetree/bindings/iio/accel/adxl345.txt
@@ -1,9 +1,12 @@
-Analog Devices ADXL345 3-Axis, +/-(2g/4g/8g/16g) Digital Accelerometer
+Analog Devices ADXL345/ADXL375 3-Axis Digital Accelerometers
http://www.analog.com/en/products/mems/accelerometers/adxl345.html
+http://www.analog.com/en/products/sensors-mems/accelerometers/adxl375.html
Required properties:
- - compatible : should be "adi,adxl345"
+ - compatible : should be one of
+ "adi,adxl345"
+ "adi,adxl375"
- reg : the I2C address or SPI chip select number of the sensor
Required properties for SPI bus usage:
diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index 62ae7e5abcfa..829dc96c9dd6 100644
--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -40,7 +40,7 @@ config ADXL345_I2C
select REGMAP_I2C
help
Say Y here if you want to build support for the Analog Devices
- ADXL345 3-axis digital accelerometer.
+ ADXL345 or ADXL375 3-axis digital accelerometer.
To compile this driver as a module, choose M here: the module
will be called adxl345_i2c and you will also get adxl345_core
@@ -54,7 +54,7 @@ config ADXL345_SPI
select REGMAP_SPI
help
Say Y here if you want to build support for the Analog Devices
- ADXL345 3-axis digital accelerometer.
+ ADXL345 or ADXL375 3-axis digital accelerometer.
To compile this driver as a module, choose M here: the module
will be called adxl345_spi and you will also get adxl345_core
diff --git a/drivers/iio/accel/adxl345.h b/drivers/iio/accel/adxl345.h
index c1ddf3927c47..ccd63de7a55a 100644
--- a/drivers/iio/accel/adxl345.h
+++ b/drivers/iio/accel/adxl345.h
@@ -11,8 +11,13 @@
#ifndef _ADXL345_H_
#define _ADXL345_H_
+enum adxl345_device_type {
+ ADXL345,
+ ADXL375,
+};
+
int adxl345_core_probe(struct device *dev, struct regmap *regmap,
- const char *name);
+ enum adxl345_device_type type, const char *name);
int adxl345_core_remove(struct device *dev);
#endif /* _ADXL345_H_ */
diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c
index 3359f33db4e3..780f87f72338 100644
--- a/drivers/iio/accel/adxl345_core.c
+++ b/drivers/iio/accel/adxl345_core.c
@@ -56,9 +56,16 @@
*/
static const int adxl345_uscale = 38300;
+/*
+ * The Datasheet lists a resolution of Resolution is ~49 mg per LSB. That's
+ * ~480mm/s**2 per LSB.
+ */
+static const int adxl375_uscale = 480000;
+
struct adxl345_data {
struct regmap *regmap;
u8 data_range;
+ enum adxl345_device_type type;
};
#define ADXL345_CHANNEL(index, axis) { \
@@ -105,7 +112,14 @@ static int adxl345_read_raw(struct iio_dev *indio_dev,
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
*val = 0;
- *val2 = adxl345_uscale;
+ switch (data->type) {
+ case ADXL345:
+ *val2 = adxl345_uscale;
+ break;
+ case ADXL375:
+ *val2 = adxl375_uscale;
+ break;
+ }
return IIO_VAL_INT_PLUS_MICRO;
case IIO_CHAN_INFO_CALIBBIAS:
@@ -198,7 +212,7 @@ static const struct iio_info adxl345_info = {
};
int adxl345_core_probe(struct device *dev, struct regmap *regmap,
- const char *name)
+ enum adxl345_device_type type, const char *name)
{
struct adxl345_data *data;
struct iio_dev *indio_dev;
@@ -224,6 +238,7 @@ int adxl345_core_probe(struct device *dev, struct regmap *regmap,
data = iio_priv(indio_dev);
dev_set_drvdata(dev, indio_dev);
data->regmap = regmap;
+ data->type = type;
/* Enable full-resolution mode */
data->data_range = ADXL345_DATA_FORMAT_FULL_RES;
diff --git a/drivers/iio/accel/adxl345_i2c.c b/drivers/iio/accel/adxl345_i2c.c
index 05e1ec49700c..785c89de91e7 100644
--- a/drivers/iio/accel/adxl345_i2c.c
+++ b/drivers/iio/accel/adxl345_i2c.c
@@ -34,7 +34,8 @@ static int adxl345_i2c_probe(struct i2c_client *client,
return PTR_ERR(regmap);
}
- return adxl345_core_probe(&client->dev, regmap, id ? id->name : NULL);
+ return adxl345_core_probe(&client->dev, regmap, id->driver_data,
+ id ? id->name : NULL);
}
static int adxl345_i2c_remove(struct i2c_client *client)
@@ -43,7 +44,8 @@ static int adxl345_i2c_remove(struct i2c_client *client)
}
static const struct i2c_device_id adxl345_i2c_id[] = {
- { "adxl345", 0 },
+ { "adxl345", ADXL345 },
+ { "adxl375", ADXL375 },
{ }
};
@@ -51,6 +53,7 @@ MODULE_DEVICE_TABLE(i2c, adxl345_i2c_id);
static const struct of_device_id adxl345_of_match[] = {
{ .compatible = "adi,adxl345" },
+ { .compatible = "adi,adxl375" },
{ },
};
diff --git a/drivers/iio/accel/adxl345_spi.c b/drivers/iio/accel/adxl345_spi.c
index 6d658196f81c..67b7c66a8492 100644
--- a/drivers/iio/accel/adxl345_spi.c
+++ b/drivers/iio/accel/adxl345_spi.c
@@ -42,7 +42,7 @@ static int adxl345_spi_probe(struct spi_device *spi)
return PTR_ERR(regmap);
}
- return adxl345_core_probe(&spi->dev, regmap, id->name);
+ return adxl345_core_probe(&spi->dev, regmap, id->driver_data, id->name);
}
static int adxl345_spi_remove(struct spi_device *spi)
@@ -51,7 +51,8 @@ static int adxl345_spi_remove(struct spi_device *spi)
}
static const struct spi_device_id adxl345_spi_id[] = {
- { "adxl345", 0 },
+ { "adxl345", ADXL345 },
+ { "adxl375", ADXL375 },
{ }
};
@@ -59,6 +60,7 @@ MODULE_DEVICE_TABLE(spi, adxl345_spi_id);
static const struct of_device_id adxl345_of_match[] = {
{ .compatible = "adi,adxl345" },
+ { .compatible = "adi,adxl375" },
{ },
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 05:24:31 +0000