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Diffstat (limited to 'drivers/iio/gyro/fxas21002c_spi.c')
-rw-r--r--drivers/iio/gyro/fxas21002c_spi.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/iio/gyro/fxas21002c_spi.c b/drivers/iio/gyro/fxas21002c_spi.c
new file mode 100644
index 000000000..c3ac169fa
--- /dev/null
+++ b/drivers/iio/gyro/fxas21002c_spi.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Driver for NXP Fxas21002c Gyroscope - SPI
+ *
+ * Copyright (C) 2019 Linaro Ltd.
+ */
+
+#include <linux/err.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+
+#include "fxas21002c.h"
+
+static const struct regmap_config fxas21002c_regmap_spi_conf = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = FXAS21002C_REG_CTRL3,
+};
+
+static int fxas21002c_spi_probe(struct spi_device *spi)
+{
+ const struct spi_device_id *id = spi_get_device_id(spi);
+ struct regmap *regmap;
+
+ regmap = devm_regmap_init_spi(spi, &fxas21002c_regmap_spi_conf);
+ if (IS_ERR(regmap)) {
+ dev_err(&spi->dev, "Failed to register spi regmap: %ld\n",
+ PTR_ERR(regmap));
+ return PTR_ERR(regmap);
+ }
+
+ return fxas21002c_core_probe(&spi->dev, regmap, spi->irq, id->name);
+}
+
+static void fxas21002c_spi_remove(struct spi_device *spi)
+{
+ fxas21002c_core_remove(&spi->dev);
+}
+
+static const struct spi_device_id fxas21002c_spi_id[] = {
+ { "fxas21002c", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(spi, fxas21002c_spi_id);
+
+static const struct of_device_id fxas21002c_spi_of_match[] = {
+ { .compatible = "nxp,fxas21002c", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, fxas21002c_spi_of_match);
+
+static struct spi_driver fxas21002c_spi_driver = {
+ .driver = {
+ .name = "fxas21002c_spi",
+ .pm = &fxas21002c_pm_ops,
+ .of_match_table = fxas21002c_spi_of_match,
+ },
+ .probe = fxas21002c_spi_probe,
+ .remove = fxas21002c_spi_remove,
+ .id_table = fxas21002c_spi_id,
+};
+module_spi_driver(fxas21002c_spi_driver);
+
+MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("FXAS21002C SPI Gyro driver");