On Fri, 08 May 2026 18:00:21 +0100 Rodrigo Alencar via B4 Relay <[email protected]> wrote:
> From: Rodrigo Alencar <[email protected]> > > Add Digital Ramp Generator channels with destination selection (frequency, > phase, or amplitude) based on attribute writes, dwell mode control, > configurable upper/lower limits, step size controlled with rate of change > config, and step rate controlled as sampling frequency. > > Signed-off-by: Rodrigo Alencar <[email protected]> > --- > drivers/iio/frequency/ad9910.c | 511 > ++++++++++++++++++++++++++++++++++++++++- > static const struct iio_chan_spec_ext_info ad9910_phy_ext_info[] = { > AD9910_EXT_INFO("powerdown", AD9910_POWERDOWN, IIO_SEPARATE), > { } > @@ -677,6 +939,14 @@ static const struct iio_chan_spec_ext_info > ad9910_pp_ext_info[] = { > { } > }; > > +static const struct iio_chan_spec_ext_info ad9910_drg_ramp_ext_info[] = { > + AD9910_EXT_INFO("dwell_en", AD9910_DRG_DWELL_EN, IIO_SEPARATE), > + AD9910_DRG_EXT_INFO("frequency_roc", AD9910_DRG_FREQ_ROC), > + AD9910_DRG_EXT_INFO("phase_roc", AD9910_DRG_PHASE_ROC), > + AD9910_DRG_EXT_INFO("scale_roc", AD9910_DRG_AMP_ROC), See abi docs reply. This scale made me wonder if we can make this just roc with it scaled to be in the base units for altvoltage. > + { } > +};
