1 files changed, 79 insertions, 0 deletions

diff --git a/drivers/iio/magnetometer/st_magn_spi.c b/drivers/iio/magnetometer/st_magn_spi.c
new file mode 100644
index 000000000000..51adb797cb7d
--- /dev/null
+++ b/drivers/iio/magnetometer/st_magn_spi.c
@@ -0,0 +1,79 @@
+/*
+ * STMicroelectronics magnetometers driver
+ *
+ * Copyright 2012-2013 STMicroelectronics Inc.
+ *
+ * Denis Ciocca <denis.ciocca@st.com>
+ *
+ * Licensed under the GPL-2.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/spi/spi.h>
+#include <linux/iio/iio.h>
+
+#include <linux/iio/common/st_sensors.h>
+#include <linux/iio/common/st_sensors_spi.h>
+#include "st_magn.h"
+
+static int st_magn_spi_probe(struct spi_device *spi)
+{
+        struct iio_dev *indio_dev;
+        struct st_sensor_data *mdata;
+        int err;
+
+        indio_dev = iio_device_alloc(sizeof(*mdata));
+        if (indio_dev == NULL) {
+                err = -ENOMEM;
+                goto iio_device_alloc_error;
+        }
+
+        mdata = iio_priv(indio_dev);
+        mdata->dev = &spi->dev;
+
+        st_sensors_spi_configure(indio_dev, spi, mdata);
+
+        err = st_magn_common_probe(indio_dev);
+        if (err < 0)
+                goto st_magn_common_probe_error;
+
+        return 0;
+
+st_magn_common_probe_error:
+        iio_device_free(indio_dev);
+iio_device_alloc_error:
+        return err;
+}
+
+static int st_magn_spi_remove(struct spi_device *spi)
+{
+        struct iio_dev *indio_dev = spi_get_drvdata(spi);
+        st_magn_common_remove(indio_dev);
+
+        return 0;
+}
+
+static const struct spi_device_id st_magn_id_table[] = {
+        { LSM303DLHC_MAGN_DEV_NAME },
+        { LSM303DLM_MAGN_DEV_NAME },
+        { LIS3MDL_MAGN_DEV_NAME },
+        {},
+};
+MODULE_DEVICE_TABLE(spi, st_magn_id_table);
+
+static struct spi_driver st_magn_driver = {
+        .driver = {
+                .owner = THIS_MODULE,
+                .name = "st-magn-spi",
+        },
+        .probe = st_magn_spi_probe,
+        .remove = st_magn_spi_remove,
+        .id_table = st_magn_id_table,
+};
+module_spi_driver(st_magn_driver);
+
+MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
+MODULE_DESCRIPTION("STMicroelectronics magnetometers spi driver");
+MODULE_LICENSE("GPL v2");