1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/iio/pressure/st_pressure_i2c.c b/drivers/iio/pressure/st_pressure_i2c.c
new file mode 100644
index 000000000..8c26ff61e
--- /dev/null
+++ b/drivers/iio/pressure/st_pressure_i2c.c
@@ -0,0 +1,142 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * STMicroelectronics pressures driver
+ *
+ * Copyright 2013 STMicroelectronics Inc.
+ *
+ * Denis Ciocca <denis.ciocca@st.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/iio/iio.h>
+
+#include <linux/iio/common/st_sensors.h>
+#include <linux/iio/common/st_sensors_i2c.h>
+#include "st_pressure.h"
+
+static const struct of_device_id st_press_of_match[] = {
+	{
+		.compatible = "st,lps001wp-press",
+		.data = LPS001WP_PRESS_DEV_NAME,
+	},
+	{
+		.compatible = "st,lps25h-press",
+		.data = LPS25H_PRESS_DEV_NAME,
+	},
+	{
+		.compatible = "st,lps331ap-press",
+		.data = LPS331AP_PRESS_DEV_NAME,
+	},
+	{
+		.compatible = "st,lps22hb-press",
+		.data = LPS22HB_PRESS_DEV_NAME,
+	},
+	{
+		.compatible = "st,lps33hw",
+		.data = LPS33HW_PRESS_DEV_NAME,
+	},
+	{
+		.compatible = "st,lps35hw",
+		.data = LPS35HW_PRESS_DEV_NAME,
+	},
+	{
+		.compatible = "st,lps22hh",
+		.data = LPS22HH_PRESS_DEV_NAME,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, st_press_of_match);
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id st_press_acpi_match[] = {
+	{"SNO9210", LPS22HB},
+	{ },
+};
+MODULE_DEVICE_TABLE(acpi, st_press_acpi_match);
+#endif
+
+static const struct i2c_device_id st_press_id_table[] = {
+	{ LPS001WP_PRESS_DEV_NAME, LPS001WP },
+	{ LPS25H_PRESS_DEV_NAME,  LPS25H },
+	{ LPS331AP_PRESS_DEV_NAME, LPS331AP },
+	{ LPS22HB_PRESS_DEV_NAME, LPS22HB },
+	{ LPS33HW_PRESS_DEV_NAME, LPS33HW },
+	{ LPS35HW_PRESS_DEV_NAME, LPS35HW },
+	{ LPS22HH_PRESS_DEV_NAME, LPS22HH },
+	{},
+};
+MODULE_DEVICE_TABLE(i2c, st_press_id_table);
+
+static int st_press_i2c_probe(struct i2c_client *client,
+			      const struct i2c_device_id *id)
+{
+	const struct st_sensor_settings *settings;
+	struct st_sensor_data *press_data;
+	struct iio_dev *indio_dev;
+	int ret;
+
+	st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name));
+
+	settings = st_press_get_settings(client->name);
+	if (!settings) {
+		dev_err(&client->dev, "device name %s not recognized.\n",
+			client->name);
+		return -ENODEV;
+	}
+
+	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*press_data));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	press_data = iio_priv(indio_dev);
+	press_data->sensor_settings = (struct st_sensor_settings *)settings;
+
+	ret = st_sensors_i2c_configure(indio_dev, client);
+	if (ret < 0)
+		return ret;
+
+	ret = st_sensors_power_enable(indio_dev);
+	if (ret)
+		return ret;
+
+	ret = st_press_common_probe(indio_dev);
+	if (ret < 0)
+		goto st_press_power_off;
+
+	return 0;
+
+st_press_power_off:
+	st_sensors_power_disable(indio_dev);
+
+	return ret;
+}
+
+static int st_press_i2c_remove(struct i2c_client *client)
+{
+	struct iio_dev *indio_dev = i2c_get_clientdata(client);
+
+	st_press_common_remove(indio_dev);
+
+	st_sensors_power_disable(indio_dev);
+
+	return 0;
+}
+
+static struct i2c_driver st_press_driver = {
+	.driver = {
+		.name = "st-press-i2c",
+		.of_match_table = st_press_of_match,
+		.acpi_match_table = ACPI_PTR(st_press_acpi_match),
+	},
+	.probe = st_press_i2c_probe,
+	.remove = st_press_i2c_remove,
+	.id_table = st_press_id_table,
+};
+module_i2c_driver(st_press_driver);
+
+MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
+MODULE_DESCRIPTION("STMicroelectronics pressures i2c driver");
+MODULE_LICENSE("GPL v2");