xref: /openbmc/linux/drivers/iio/accel/adxl313.h (revision da1d9caf)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * ADXL313 3-Axis Digital Accelerometer
4  *
5  * Copyright (c) 2021 Lucas Stankus <lucas.p.stankus@gmail.com>
6  */
7 
8 #ifndef _ADXL313_H_
9 #define _ADXL313_H_
10 
11 /* ADXL313 register definitions */
12 #define ADXL313_REG_DEVID0		0x00
13 #define ADXL313_REG_DEVID1		0x01
14 #define ADXL313_REG_PARTID		0x02
15 #define ADXL313_REG_XID			0x04
16 #define ADXL313_REG_SOFT_RESET		0x18
17 #define ADXL313_REG_OFS_AXIS(index)	(0x1E + (index))
18 #define ADXL313_REG_THRESH_ACT		0x24
19 #define ADXL313_REG_ACT_INACT_CTL	0x27
20 #define ADXL313_REG_BW_RATE		0x2C
21 #define ADXL313_REG_POWER_CTL		0x2D
22 #define ADXL313_REG_INT_MAP		0x2F
23 #define ADXL313_REG_DATA_FORMAT		0x31
24 #define ADXL313_REG_DATA_AXIS(index)	(0x32 + ((index) * 2))
25 #define ADXL313_REG_FIFO_CTL		0x38
26 #define ADXL313_REG_FIFO_STATUS		0x39
27 
28 #define ADXL313_DEVID0			0xAD
29 #define ADXL313_DEVID1			0x1D
30 #define ADXL313_PARTID			0xCB
31 #define ADXL313_SOFT_RESET		0x52
32 
33 #define ADXL313_RATE_MSK		GENMASK(3, 0)
34 #define ADXL313_RATE_BASE		6
35 
36 #define ADXL313_POWER_CTL_MSK		GENMASK(3, 2)
37 #define ADXL313_MEASUREMENT_MODE	BIT(3)
38 
39 #define ADXL313_RANGE_MSK		GENMASK(1, 0)
40 #define ADXL313_RANGE_4G		3
41 
42 #define ADXL313_FULL_RES		BIT(3)
43 #define ADXL313_SPI_3WIRE		BIT(6)
44 #define ADXL313_I2C_DISABLE		BIT(6)
45 
46 extern const struct regmap_access_table adxl313_readable_regs_table;
47 
48 extern const struct regmap_access_table adxl313_writable_regs_table;
49 
50 int adxl313_core_probe(struct device *dev,
51 		       struct regmap *regmap,
52 		       const char *name,
53 		       int (*setup)(struct device *, struct regmap *));
54 #endif /* _ADXL313_H_ */
55