On Mon, Dec 02, 2024 at 11:07:38AM -0300, Marcelo Schmitt wrote: > Extend the AD4000 series device tree documentation to also describe > PulSAR devices. > > The single-channel series of PulSAR devices is similar to the AD4000 series > except PulSAR devices sample at slower rates and don't have a > configuration register. Because PulSAR devices don't have a configuration > register, they don't support all features of AD4000 devices and thus fewer > interfaces are provided to user space. Also, while AD4000 may have their > SDI pin connected to SPI host MOSI line, PulSAR SDI pin is never connected > to MOSI. > > Some devices within the PulSAR series are just faster versions of others. > >From fastest to slowest, AD7980, AD7988-5, AD7686, AD7685, and AD7988-1 are > all 16-bit pseudo-differential pin-for-pin compatible ADCs. Devices that > only vary on the sample rate are documented with a common fallback > compatible. > > Signed-off-by: Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx> > --- > Change log v5 -> v6 > - Made compatible property doc similar to other ADC dt-bindings. > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Best regards, Krzysztof
