| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * ADXL345 3-Axis Digital Accelerometer |
| * |
| * Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com> |
| */ |
| |
| #ifndef _ADXL345_H_ |
| #define _ADXL345_H_ |
| |
| /* |
| * In full-resolution mode, scale factor is maintained at ~4 mg/LSB |
| * in all g ranges. |
| * |
| * At +/- 16g with 13-bit resolution, scale is computed as: |
| * (16 + 16) * 9.81 / (2^13 - 1) = 0.0383 |
| */ |
| #define ADXL345_USCALE 38300 |
| |
| /* |
| * The Datasheet lists a resolution of Resolution is ~49 mg per LSB. That's |
| * ~480mm/s**2 per LSB. |
| */ |
| #define ADXL375_USCALE 480000 |
| |
| struct adxl345_chip_info { |
| const char *name; |
| int uscale; |
| }; |
| |
| int adxl345_core_probe(struct device *dev, struct regmap *regmap); |
| |
| #endif /* _ADXL345_H_ */ |
