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authorLucas Stankus <lucas.p.stankus@gmail.com>2021-09-01 16:14:54 -0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-09-14 12:00:35 +0100
commit636d44633039348c955947cee561f372846b478b (patch)
treed2656c2803ade35e8b6440f22ae7df0e54108e22 /drivers/iio/accel/adxl313.h
parentaf1c6b50a2947cee3ffffb32aa8debb100c786bb (diff)
iio: accel: Add driver support for ADXL313
ADXL313 is a small, thin, low power, 3-axis accelerometer with high resolution measurement up to +/-4g. It includes an integrated 32-level FIFO and has activity and inactivity sensing capabilities. Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADXL313.pdf Signed-off-by: Lucas Stankus <lucas.p.stankus@gmail.com> Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/d16e2d1967e46bb2b1024b6d23bc4889da77dc6b.1630523106.git.lucas.p.stankus@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/accel/adxl313.h')
-rw-r--r--drivers/iio/accel/adxl313.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/iio/accel/adxl313.h b/drivers/iio/accel/adxl313.h
new file mode 100644
index 000000000000..4415f2fc07e1
--- /dev/null
+++ b/drivers/iio/accel/adxl313.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * ADXL313 3-Axis Digital Accelerometer
+ *
+ * Copyright (c) 2021 Lucas Stankus <lucas.p.stankus@gmail.com>
+ */
+
+#ifndef _ADXL313_H_
+#define _ADXL313_H_
+
+/* ADXL313 register definitions */
+#define ADXL313_REG_DEVID0 0x00
+#define ADXL313_REG_DEVID1 0x01
+#define ADXL313_REG_PARTID 0x02
+#define ADXL313_REG_XID 0x04
+#define ADXL313_REG_SOFT_RESET 0x18
+#define ADXL313_REG_OFS_AXIS(index) (0x1E + (index))
+#define ADXL313_REG_THRESH_ACT 0x24
+#define ADXL313_REG_ACT_INACT_CTL 0x27
+#define ADXL313_REG_BW_RATE 0x2C
+#define ADXL313_REG_POWER_CTL 0x2D
+#define ADXL313_REG_INT_MAP 0x2F
+#define ADXL313_REG_DATA_FORMAT 0x31
+#define ADXL313_REG_DATA_AXIS(index) (0x32 + ((index) * 2))
+#define ADXL313_REG_FIFO_CTL 0x38
+#define ADXL313_REG_FIFO_STATUS 0x39
+
+#define ADXL313_DEVID0 0xAD
+#define ADXL313_DEVID1 0x1D
+#define ADXL313_PARTID 0xCB
+#define ADXL313_SOFT_RESET 0x52
+
+#define ADXL313_RATE_MSK GENMASK(3, 0)
+#define ADXL313_RATE_BASE 6
+
+#define ADXL313_POWER_CTL_MSK GENMASK(3, 2)
+#define ADXL313_MEASUREMENT_MODE BIT(3)
+
+#define ADXL313_RANGE_MSK GENMASK(1, 0)
+#define ADXL313_RANGE_4G 3
+
+#define ADXL313_FULL_RES BIT(3)
+#define ADXL313_SPI_3WIRE BIT(6)
+#define ADXL313_I2C_DISABLE BIT(6)
+
+extern const struct regmap_access_table adxl313_readable_regs_table;
+
+extern const struct regmap_access_table adxl313_writable_regs_table;
+
+int adxl313_core_probe(struct device *dev,
+ struct regmap *regmap,
+ const char *name,
+ int (*setup)(struct device *, struct regmap *));
+#endif /* _ADXL313_H_ */