On 2/19/25 3:00 PM, Marcelo Schmitt wrote: > ADC inputs can be classified into a few different types according to how > they measure the input signal, how restrained the signal is, and number of > input pins. Even though datasheets tend to provide many details about their > inputs and measurement procedures, it may not always be clear how to model > those inputs into IIO channels. > > For example, some differential ADCs can have their inputs configured into > pseudo-differential channels. In that configuration, only one input > connects to the signal of interest as opposed to using two inputs of a > differential input configuration. Datasheets sometimes also refer to > pseudo-differential inputs as single-ended inputs even though they have > distinct physical configuration and measurement procedure. > > Document consolidated ADC input types and how they are usually described > and supported in device tree and IIO, respectively. > > Signed-off-by: Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx> > --- Reviewed-by: David Lechner <dlechner@xxxxxxxxxxxx>
