Linux-libre 4.4-gnupck-4.4-gnu

5 files changed, 534 insertions, 3 deletions

diff --git a/drivers/iio/temperature/Kconfig b/drivers/iio/temperature/Kconfig
index 21feaa466..c4664e5de 100644
--- a/drivers/iio/temperature/Kconfig
+++ b/drivers/iio/temperature/Kconfig
@@ -23,4 +23,26 @@ config TMP006
 	  This driver can also be built as a module. If so, the module will
 	  be called tmp006.
 
+config TSYS01
+	tristate "Measurement Specialties TSYS01 temperature sensor using I2C bus connection"
+	depends on I2C
+	select IIO_MS_SENSORS_I2C
+	help
+	  If you say yes here you get support for the Measurement Specialties
+	  TSYS01 I2C temperature sensor.
+
+	  This driver can also be built as a module. If so, the module will
+	  be called tsys01.
+
+config TSYS02D
+	tristate "Measurement Specialties TSYS02D temperature sensor"
+	depends on I2C
+	select IIO_MS_SENSORS_I2C
+	help
+	  If you say yes here you get support for the Measurement Specialties
+	  TSYS02D temperature sensor.
+
+	  This driver can also be built as a module. If so, the module will
+	  be called tsys02d.
+
 endmenu
diff --git a/drivers/iio/temperature/Makefile b/drivers/iio/temperature/Makefile
index 40710a811..02bc79d49 100644
--- a/drivers/iio/temperature/Makefile
+++ b/drivers/iio/temperature/Makefile
@@ -4,3 +4,5 @@
 
 obj-$(CONFIG_MLX90614) += mlx90614.o
 obj-$(CONFIG_TMP006) += tmp006.o
+obj-$(CONFIG_TSYS01) += tsys01.o
+obj-$(CONFIG_TSYS02D) += tsys02d.o
diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c
index 5d033a5af..a570c2e2a 100644
--- a/drivers/iio/temperature/mlx90614.c
+++ b/drivers/iio/temperature/mlx90614.c
@@ -3,6 +3,7 @@
  *
  * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
  * Copyright (c) 2015 Essensium NV
+ * Copyright (c) 2015 Melexis
  *
  * This file is subject to the terms and conditions of version 2 of
  * the GNU General Public License.  See the file COPYING in the main
@@ -20,7 +21,6 @@
  * always has a pull-up so we do not need an extra GPIO to drive it high.  If
  * the "wakeup" GPIO is not given, power management will be disabled.
  *
- * TODO: filter configuration
  */
 
 #include <linux/err.h>
@@ -32,6 +32,7 @@
 #include <linux/pm_runtime.h>
 
 #include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
 
 #define MLX90614_OP_RAM		0x00
 #define MLX90614_OP_EEPROM	0x20
@@ -71,6 +72,7 @@
 #define MLX90614_CONST_SCALE 20 /* Scale in milliKelvin (0.02 * 1000) */
 #define MLX90614_CONST_RAW_EMISSIVITY_MAX 65535 /* max value for emissivity */
 #define MLX90614_CONST_EMISSIVITY_RESOLUTION 15259 /* 1/65535 ~ 0.000015259 */
+#define MLX90614_CONST_FIR 0x7 /* Fixed value for FIR part of low pass filter */
 
 struct mlx90614_data {
 	struct i2c_client *client;
@@ -79,6 +81,20 @@ struct mlx90614_data {
 	unsigned long ready_timestamp; /* in jiffies */
 };
 
+/* Bandwidth values for IIR filtering */
+static const int mlx90614_iir_values[] = {77, 31, 20, 15, 723, 153, 110, 86};
+static IIO_CONST_ATTR(in_temp_object_filter_low_pass_3db_frequency_available,
+		      "0.15 0.20 0.31 0.77 0.86 1.10 1.53 7.23");
+
+static struct attribute *mlx90614_attributes[] = {
+	&iio_const_attr_in_temp_object_filter_low_pass_3db_frequency_available.dev_attr.attr,
+	NULL,
+};
+
+static const struct attribute_group mlx90614_attr_group = {
+	.attrs = mlx90614_attributes,
+};
+
 /*
  * Erase an address and write word.
  * The mutex must be locked before calling.
@@ -117,6 +133,43 @@ static s32 mlx90614_write_word(const struct i2c_client *client, u8 command,
 	return ret;
 }
 
+/*
+ * Find the IIR value inside mlx90614_iir_values array and return its position
+ * which is equivalent to the bit value in sensor register
+ */
+static inline s32 mlx90614_iir_search(const struct i2c_client *client,
+				      int value)
+{
+	int i;
+	s32 ret;
+
+	for (i = 0; i < ARRAY_SIZE(mlx90614_iir_values); ++i) {
+		if (value == mlx90614_iir_values[i])
+			break;
+	}
+
+	if (i == ARRAY_SIZE(mlx90614_iir_values))
+		return -EINVAL;
+
+	/*
+	 * CONFIG register values must not be changed so
+	 * we must read them before we actually write
+	 * changes
+	 */
+	ret = i2c_smbus_read_word_data(client, MLX90614_CONFIG);
+	if (ret < 0)
+		return ret;
+
+	ret &= ~MLX90614_CONFIG_FIR_MASK;
+	ret |= MLX90614_CONST_FIR << MLX90614_CONFIG_FIR_SHIFT;
+	ret &= ~MLX90614_CONFIG_IIR_MASK;
+	ret |= i << MLX90614_CONFIG_IIR_SHIFT;
+
+	/* Write changed values */
+	ret = mlx90614_write_word(client, MLX90614_CONFIG, ret);
+	return ret;
+}
+
 #ifdef CONFIG_PM
 /*
  * If @startup is true, make sure MLX90614_TIMING_STARTUP ms have elapsed since
@@ -236,6 +289,21 @@ static int mlx90614_read_raw(struct iio_dev *indio_dev,
 			*val2 = ret * MLX90614_CONST_EMISSIVITY_RESOLUTION;
 		}
 		return IIO_VAL_INT_PLUS_NANO;
+	case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY: /* IIR setting with
+							     FIR = 1024 */
+		mlx90614_power_get(data, false);
+		mutex_lock(&data->lock);
+		ret = i2c_smbus_read_word_data(data->client, MLX90614_CONFIG);
+		mutex_unlock(&data->lock);
+		mlx90614_power_put(data);
+
+		if (ret < 0)
+			return ret;
+
+		*val = mlx90614_iir_values[ret & MLX90614_CONFIG_IIR_MASK] / 100;
+		*val2 = (mlx90614_iir_values[ret & MLX90614_CONFIG_IIR_MASK] % 100) *
+			10000;
+		return IIO_VAL_INT_PLUS_MICRO;
 	default:
 		return -EINVAL;
 	}
@@ -263,6 +331,18 @@ static int mlx90614_write_raw(struct iio_dev *indio_dev,
 		mlx90614_power_put(data);
 
 		return ret;
+	case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY: /* IIR Filter setting */
+		if (val < 0 || val2 < 0)
+			return -EINVAL;
+
+		mlx90614_power_get(data, false);
+		mutex_lock(&data->lock);
+		ret = mlx90614_iir_search(data->client,
+					  val * 100 + val2 / 10000);
+		mutex_unlock(&data->lock);
+		mlx90614_power_put(data);
+
+		return ret;
 	default:
 		return -EINVAL;
 	}
@@ -275,6 +355,8 @@ static int mlx90614_write_raw_get_fmt(struct iio_dev *indio_dev,
 	switch (mask) {
 	case IIO_CHAN_INFO_CALIBEMISSIVITY:
 		return IIO_VAL_INT_PLUS_NANO;
+	case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY:
+		return IIO_VAL_INT_PLUS_MICRO;
 	default:
 		return -EINVAL;
 	}
@@ -294,7 +376,8 @@ static const struct iio_chan_spec mlx90614_channels[] = {
 		.modified = 1,
 		.channel2 = IIO_MOD_TEMP_OBJECT,
 		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
-		    BIT(IIO_CHAN_INFO_CALIBEMISSIVITY),
+		    BIT(IIO_CHAN_INFO_CALIBEMISSIVITY) |
+			BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY),
 		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) |
 		    BIT(IIO_CHAN_INFO_SCALE),
 	},
@@ -305,7 +388,8 @@ static const struct iio_chan_spec mlx90614_channels[] = {
 		.channel = 1,
 		.channel2 = IIO_MOD_TEMP_OBJECT,
 		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
-		    BIT(IIO_CHAN_INFO_CALIBEMISSIVITY),
+		    BIT(IIO_CHAN_INFO_CALIBEMISSIVITY) |
+			BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY),
 		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) |
 		    BIT(IIO_CHAN_INFO_SCALE),
 	},
@@ -315,6 +399,7 @@ static const struct iio_info mlx90614_info = {
 	.read_raw = mlx90614_read_raw,
 	.write_raw = mlx90614_write_raw,
 	.write_raw_get_fmt = mlx90614_write_raw_get_fmt,
+	.attrs = &mlx90614_attr_group,
 	.driver_module = THIS_MODULE,
 };
 
@@ -569,5 +654,6 @@ module_i2c_driver(mlx90614_driver);
 
 MODULE_AUTHOR("Peter Meerwald <pmeerw@pmeerw.net>");
 MODULE_AUTHOR("Vianney le Clément de Saint-Marcq <vianney.leclement@essensium.com>");
+MODULE_AUTHOR("Crt Mori <cmo@melexis.com>");
 MODULE_DESCRIPTION("Melexis MLX90614 contactless IR temperature sensor driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/iio/temperature/tsys01.c b/drivers/iio/temperature/tsys01.c
new file mode 100644
index 000000000..05c12060c
--- /dev/null
+++ b/drivers/iio/temperature/tsys01.c
@@ -0,0 +1,230 @@
+/*
+ * tsys01.c - Support for Measurement-Specialties tsys01 temperature sensor
+ *
+ * Copyright (c) 2015 Measurement-Specialties
+ *
+ * Licensed under the GPL-2.
+ *
+ * Datasheet:
+ *  http://www.meas-spec.com/downloads/TSYS01_Digital_Temperature_Sensor.pdf
+ */
+
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/device.h>
+#include <linux/mutex.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/stat.h>
+#include "../common/ms_sensors/ms_sensors_i2c.h"
+
+/* TSYS01 Commands */
+#define TSYS01_RESET				0x1E
+#define TSYS01_CONVERSION_START			0x48
+#define TSYS01_ADC_READ				0x00
+#define TSYS01_PROM_READ			0xA0
+
+#define TSYS01_PROM_WORDS_NB			8
+
+struct tsys01_dev {
+	void *client;
+	struct mutex lock; /* lock during conversion */
+
+	int (*reset)(void *cli, u8 cmd, unsigned int delay);
+	int (*convert_and_read)(void *cli, u8 conv, u8 rd,
+				unsigned int delay, u32 *adc);
+	int (*read_prom_word)(void *cli, int cmd, u16 *word);
+
+	u16 prom[TSYS01_PROM_WORDS_NB];
+};
+
+/* Multiplication coefficients for temperature computation */
+static const int coeff_mul[] = { -1500000, 1000000, -2000000,
+				 4000000, -2000000 };
+
+static int tsys01_read_temperature(struct iio_dev *indio_dev,
+				   s32 *temperature)
+{
+	int ret, i;
+	u32 adc;
+	s64 temp = 0;
+	struct tsys01_dev *dev_data = iio_priv(indio_dev);
+
+	mutex_lock(&dev_data->lock);
+	ret = dev_data->convert_and_read(dev_data->client,
+					 TSYS01_CONVERSION_START,
+					 TSYS01_ADC_READ, 9000, &adc);
+	mutex_unlock(&dev_data->lock);
+	if (ret)
+		return ret;
+
+	adc >>= 8;
+
+	/* Temperature algorithm */
+	for (i = 4; i > 0; i--) {
+		temp += coeff_mul[i] *
+			(s64)dev_data->prom[5 - i];
+		temp *= (s64)adc;
+		temp = div64_s64(temp, 100000);
+	}
+	temp *= 10;
+	temp += coeff_mul[0] * (s64)dev_data->prom[5];
+	temp = div64_s64(temp, 100000);
+
+	*temperature = temp;
+
+	return 0;
+}
+
+static int tsys01_read_raw(struct iio_dev *indio_dev,
+			   struct iio_chan_spec const *channel, int *val,
+			   int *val2, long mask)
+{
+	int ret;
+	s32 temperature;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_PROCESSED:
+		switch (channel->type) {
+		case IIO_TEMP:	/* in milli °C */
+			ret = tsys01_read_temperature(indio_dev, &temperature);
+			if (ret)
+				return ret;
+			*val = temperature;
+
+			return IIO_VAL_INT;
+		default:
+			return -EINVAL;
+		}
+	default:
+		return -EINVAL;
+	}
+}
+
+static const struct iio_chan_spec tsys01_channels[] = {
+	{
+		.type = IIO_TEMP,
+		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_PROCESSED),
+	}
+};
+
+static const struct iio_info tsys01_info = {
+	.read_raw = tsys01_read_raw,
+	.driver_module = THIS_MODULE,
+};
+
+static bool tsys01_crc_valid(u16 *n_prom)
+{
+	u8 cnt;
+	u8 sum = 0;
+
+	for (cnt = 0; cnt < TSYS01_PROM_WORDS_NB; cnt++)
+		sum += ((n_prom[0] >> 8) + (n_prom[0] & 0xFF));
+
+	return (sum == 0);
+}
+
+static int tsys01_read_prom(struct iio_dev *indio_dev)
+{
+	int i, ret;
+	struct tsys01_dev *dev_data = iio_priv(indio_dev);
+	char buf[7 * TSYS01_PROM_WORDS_NB + 1];
+	char *ptr = buf;
+
+	for (i = 0; i < TSYS01_PROM_WORDS_NB; i++) {
+		ret = dev_data->read_prom_word(dev_data->client,
+					       TSYS01_PROM_READ + (i << 1),
+					       &dev_data->prom[i]);
+		if (ret)
+			return ret;
+
+		ret = sprintf(ptr, "0x%04x ", dev_data->prom[i]);
+		ptr += ret;
+	}
+
+	if (!tsys01_crc_valid(dev_data->prom)) {
+		dev_err(&indio_dev->dev, "prom crc check error\n");
+		return -ENODEV;
+	}
+	*ptr = 0;
+	dev_info(&indio_dev->dev, "PROM coefficients : %s\n", buf);
+
+	return 0;
+}
+
+static int tsys01_probe(struct iio_dev *indio_dev, struct device *dev)
+{
+	int ret;
+	struct tsys01_dev *dev_data = iio_priv(indio_dev);
+
+	mutex_init(&dev_data->lock);
+
+	indio_dev->info = &tsys01_info;
+	indio_dev->name = dev->driver->name;
+	indio_dev->dev.parent = dev;
+	indio_dev->modes = INDIO_DIRECT_MODE;
+	indio_dev->channels = tsys01_channels;
+	indio_dev->num_channels = ARRAY_SIZE(tsys01_channels);
+
+	ret = dev_data->reset(dev_data->client, TSYS01_RESET, 3000);
+	if (ret)
+		return ret;
+
+	ret = tsys01_read_prom(indio_dev);
+	if (ret)
+		return ret;
+
+	return devm_iio_device_register(dev, indio_dev);
+}
+
+static int tsys01_i2c_probe(struct i2c_client *client,
+			    const struct i2c_device_id *id)
+{
+	struct tsys01_dev *dev_data;
+	struct iio_dev *indio_dev;
+
+	if (!i2c_check_functionality(client->adapter,
+				     I2C_FUNC_SMBUS_WORD_DATA |
+				     I2C_FUNC_SMBUS_WRITE_BYTE |
+				     I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
+		dev_err(&client->dev,
+			"Adapter does not support some i2c transaction\n");
+		return -ENODEV;
+	}
+
+	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*dev_data));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	dev_data = iio_priv(indio_dev);
+	dev_data->client = client;
+	dev_data->reset = ms_sensors_reset;
+	dev_data->read_prom_word = ms_sensors_read_prom_word;
+	dev_data->convert_and_read = ms_sensors_convert_and_read;
+
+	i2c_set_clientdata(client, indio_dev);
+
+	return tsys01_probe(indio_dev, &client->dev);
+}
+
+static const struct i2c_device_id tsys01_id[] = {
+	{"tsys01", 0},
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, tsys01_id);
+
+static struct i2c_driver tsys01_driver = {
+	.probe = tsys01_i2c_probe,
+	.id_table = tsys01_id,
+	.driver = {
+		   .name = "tsys01",
+		   },
+};
+
+module_i2c_driver(tsys01_driver);
+
+MODULE_DESCRIPTION("Measurement-Specialties tsys01 temperature driver");
+MODULE_AUTHOR("William Markezana <william.markezana@meas-spec.com>");
+MODULE_AUTHOR("Ludovic Tancerel <ludovic.tancerel@maplehightech.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/temperature/tsys02d.c b/drivers/iio/temperature/tsys02d.c
new file mode 100644
index 000000000..4c1fbd52e
--- /dev/null
+++ b/drivers/iio/temperature/tsys02d.c
@@ -0,0 +1,191 @@
+/*
+ * tsys02d.c - Support for Measurement-Specialties tsys02d temperature sensor
+ *
+ * Copyright (c) 2015 Measurement-Specialties
+ *
+ * Licensed under the GPL-2.
+ *
+ * (7-bit I2C slave address 0x40)
+ *
+ * Datasheet:
+ *  http://www.meas-spec.com/downloads/Digital_Sensor_TSYS02D.pdf
+ */
+
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/stat.h>
+#include <linux/module.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+
+#include "../common/ms_sensors/ms_sensors_i2c.h"
+
+#define TSYS02D_RESET				0xFE
+
+static const int tsys02d_samp_freq[4] = { 20, 40, 70, 140 };
+/* String copy of the above const for readability purpose */
+static const char tsys02d_show_samp_freq[] = "20 40 70 140";
+
+static int tsys02d_read_raw(struct iio_dev *indio_dev,
+			    struct iio_chan_spec const *channel, int *val,
+			    int *val2, long mask)
+{
+	int ret;
+	s32 temperature;
+	struct ms_ht_dev *dev_data = iio_priv(indio_dev);
+
+	switch (mask) {
+	case IIO_CHAN_INFO_PROCESSED:
+		switch (channel->type) {
+		case IIO_TEMP:	/* in milli °C */
+			ret = ms_sensors_ht_read_temperature(dev_data,
+							     &temperature);
+			if (ret)
+				return ret;
+			*val = temperature;
+
+			return IIO_VAL_INT;
+		default:
+			return -EINVAL;
+		}
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		*val = tsys02d_samp_freq[dev_data->res_index];
+
+		return IIO_VAL_INT;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int tsys02d_write_raw(struct iio_dev *indio_dev,
+			     struct iio_chan_spec const *chan,
+			     int val, int val2, long mask)
+{
+	struct ms_ht_dev *dev_data = iio_priv(indio_dev);
+	int i, ret;
+
+	switch (mask) {
+	case IIO_CHAN_INFO_SAMP_FREQ:
+		i = ARRAY_SIZE(tsys02d_samp_freq);
+		while (i-- > 0)
+			if (val == tsys02d_samp_freq[i])
+				break;
+		if (i < 0)
+			return -EINVAL;
+		mutex_lock(&dev_data->lock);
+		dev_data->res_index = i;
+		ret = ms_sensors_write_resolution(dev_data, i);
+		mutex_unlock(&dev_data->lock);
+
+		return ret;
+	default:
+		return -EINVAL;
+	}
+}
+
+static const struct iio_chan_spec tsys02d_channels[] = {
+	{
+		.type = IIO_TEMP,
+		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_PROCESSED),
+		.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),
+	}
+};
+
+static ssize_t tsys02_read_battery_low(struct device *dev,
+				       struct device_attribute *attr,
+				       char *buf)
+{
+	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+	struct ms_ht_dev *dev_data = iio_priv(indio_dev);
+
+	return ms_sensors_show_battery_low(dev_data, buf);
+}
+
+static IIO_CONST_ATTR_SAMP_FREQ_AVAIL(tsys02d_show_samp_freq);
+static IIO_DEVICE_ATTR(battery_low, S_IRUGO,
+		       tsys02_read_battery_low, NULL, 0);
+
+static struct attribute *tsys02d_attributes[] = {
+	&iio_const_attr_sampling_frequency_available.dev_attr.attr,
+	&iio_dev_attr_battery_low.dev_attr.attr,
+	NULL,
+};
+
+static const struct attribute_group tsys02d_attribute_group = {
+	.attrs = tsys02d_attributes,
+};
+
+static const struct iio_info tsys02d_info = {
+	.read_raw = tsys02d_read_raw,
+	.write_raw = tsys02d_write_raw,
+	.attrs = &tsys02d_attribute_group,
+	.driver_module = THIS_MODULE,
+};
+
+static int tsys02d_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
+{
+	struct ms_ht_dev *dev_data;
+	struct iio_dev *indio_dev;
+	int ret;
+	u64 serial_number;
+
+	if (!i2c_check_functionality(client->adapter,
+				     I2C_FUNC_SMBUS_WRITE_BYTE_DATA |
+				     I2C_FUNC_SMBUS_WRITE_BYTE |
+				     I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
+		dev_err(&client->dev,
+			"Adapter does not support some i2c transaction\n");
+		return -ENODEV;
+	}
+
+	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*dev_data));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	dev_data = iio_priv(indio_dev);
+	dev_data->client = client;
+	dev_data->res_index = 0;
+	mutex_init(&dev_data->lock);
+
+	indio_dev->info = &tsys02d_info;
+	indio_dev->name = id->name;
+	indio_dev->dev.parent = &client->dev;
+	indio_dev->modes = INDIO_DIRECT_MODE;
+	indio_dev->channels = tsys02d_channels;
+	indio_dev->num_channels = ARRAY_SIZE(tsys02d_channels);
+
+	i2c_set_clientdata(client, indio_dev);
+
+	ret = ms_sensors_reset(client, TSYS02D_RESET, 15000);
+	if (ret)
+		return ret;
+
+	ret = ms_sensors_read_serial(client, &serial_number);
+	if (ret)
+		return ret;
+	dev_info(&client->dev, "Serial number : %llx", serial_number);
+
+	return devm_iio_device_register(&client->dev, indio_dev);
+}
+
+static const struct i2c_device_id tsys02d_id[] = {
+	{"tsys02d", 0},
+	{}
+};
+
+static struct i2c_driver tsys02d_driver = {
+	.probe = tsys02d_probe,
+	.id_table = tsys02d_id,
+	.driver = {
+		   .name = "tsys02d",
+		   },
+};
+
+module_i2c_driver(tsys02d_driver);
+
+MODULE_DESCRIPTION("Measurement-Specialties tsys02d temperature driver");
+MODULE_AUTHOR("William Markezana <william.markezana@meas-spec.com>");
+MODULE_AUTHOR("Ludovic Tancerel <ludovic.tancerel@maplehightech.com>");
+MODULE_LICENSE("GPL v2");