Re: [PATCH v9 7/8] iio: dac: ad3552r: add high-speed platform driver

[Jonathan Cameron <jic23@kernel.org>]

On Thu, 31 Oct 2024 21:25:11 +0000
Jonathan Cameron <jic23@kernel.org> wrote:

> On Mon, 28 Oct 2024 22:45:34 +0100
> Angelo Dureghello <angelo@kernel-space.org> wrote:
> 
> > From: Angelo Dureghello <adureghello@baylibre.com>
> > 
> > Add High Speed ad3552r platform driver.
> > 
> > The ad3552r DAC is controlled by a custom (fpga-based) DAC IP
> > through the current AXI backend, or similar alternative IIO backend.
> > 
> > Compared to the existing driver (ad3552r.c), that is a simple SPI
> > driver, this driver is coupled with a DAC IIO backend that finally
> > controls the ad3552r by a fpga-based "QSPI+DDR" interface, to reach
> > maximum transfer rate of 33MUPS using dma stream capabilities.
> > 
> > All commands involving QSPI bus read/write are delegated to the backend
> > through the provided APIs for bus read/write.
> > 
> > Reviewed-by: Nuno Sa <nuno.sa@analog.com>
> > Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>  
> Missing bitfield.h include. I added whilst applying.
Also, needs a select IIO_BACKEND (thanks 0-day for finding that one).

Added and pushed out again.
> 
> Jonathan
>