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-rw-r--r--drivers/iio/pressure/st_pressure_i2c.c128
1 files changed, 128 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..58fede861
--- /dev/null
+++ b/drivers/iio/pressure/st_pressure_i2c.c
@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * STMicroelectronics pressures driver
+ *
+ * Copyright 2013 STMicroelectronics Inc.
+ *
+ * Denis Ciocca <denis.ciocca@st.com>
+ */
+
+#include <linux/acpi.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.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,
+ },
+ {
+ .compatible = "st,lps22df",
+ .data = LPS22DF_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 },
+ { LPS22DF_PRESS_DEV_NAME, LPS22DF },
+ {},
+};
+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;
+
+ return st_press_common_probe(indio_dev);
+}
+
+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,
+ .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");
+MODULE_IMPORT_NS(IIO_ST_SENSORS);