diff options
Diffstat (limited to 'drivers/staging/iio/dac/ad5421.h')
| -rw-r--r-- | drivers/staging/iio/dac/ad5421.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/staging/iio/dac/ad5421.h b/drivers/staging/iio/dac/ad5421.h new file mode 100644 index 000000000000..cd2bb84ff1b0 --- /dev/null +++ b/drivers/staging/iio/dac/ad5421.h @@ -0,0 +1,32 @@ +#ifndef __IIO_DAC_AD5421_H__ +#define __IIO_DAC_AD5421_H__ + +/* + * TODO: This file needs to go into include/linux/iio + */ + +/** + * enum ad5421_current_range - Current range the AD5421 is configured for. + * @AD5421_CURRENT_RANGE_4mA_20mA: 4 mA to 20 mA (RANGE1,0 pins = 00) + * @AD5421_CURRENT_RANGE_3mA8_21mA: 3.8 mA to 21 mA (RANGE1,0 pins = x1) + * @AD5421_CURRENT_RANGE_3mA2_24mA: 3.2 mA to 24 mA (RANGE1,0 pins = 10) + */ + +enum ad5421_current_range { + AD5421_CURRENT_RANGE_4mA_20mA, + AD5421_CURRENT_RANGE_3mA8_21mA, + AD5421_CURRENT_RANGE_3mA2_24mA, +}; + +/** + * struct ad5421_platform_data - AD5421 DAC driver platform data + * @external_vref: whether an external reference voltage is used or not + * @current_range: Current range the AD5421 is configured for + */ + +struct ad5421_platform_data { + bool external_vref; + enum ad5421_current_range current_range; +}; + +#endif |