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-rw-r--r--drivers/iio/accel/adxl355_spi.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/iio/accel/adxl355_spi.c b/drivers/iio/accel/adxl355_spi.c
new file mode 100644
index 000000000..5fe986ae0
--- /dev/null
+++ b/drivers/iio/accel/adxl355_spi.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * ADXL355 3-Axis Digital Accelerometer SPI driver
+ *
+ * Copyright (c) 2021 Puranjay Mohan <puranjay12@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+
+#include "adxl355.h"
+
+static const struct regmap_config adxl355_spi_regmap_config = {
+ .reg_bits = 7,
+ .pad_bits = 1,
+ .val_bits = 8,
+ .read_flag_mask = BIT(0),
+ .max_register = 0x2F,
+ .rd_table = &adxl355_readable_regs_tbl,
+ .wr_table = &adxl355_writeable_regs_tbl,
+};
+
+static int adxl355_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, &adxl355_spi_regmap_config);
+ if (IS_ERR(regmap)) {
+ dev_err(&spi->dev, "Error initializing spi regmap: %ld\n",
+ PTR_ERR(regmap));
+
+ return PTR_ERR(regmap);
+ }
+
+ return adxl355_core_probe(&spi->dev, regmap, id->name);
+}
+
+static const struct spi_device_id adxl355_spi_id[] = {
+ { "adxl355", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(spi, adxl355_spi_id);
+
+static const struct of_device_id adxl355_of_match[] = {
+ { .compatible = "adi,adxl355" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, adxl355_of_match);
+
+static struct spi_driver adxl355_spi_driver = {
+ .driver = {
+ .name = "adxl355_spi",
+ .of_match_table = adxl355_of_match,
+ },
+ .probe = adxl355_spi_probe,
+ .id_table = adxl355_spi_id,
+};
+module_spi_driver(adxl355_spi_driver);
+
+MODULE_AUTHOR("Puranjay Mohan <puranjay12@gmail.com>");
+MODULE_DESCRIPTION("ADXL355 3-Axis Digital Accelerometer SPI driver");
+MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ADXL355);