On Mon, Feb 12, 2024 at 02:03:20PM +0000, Tudor Ambarus wrote: > There are SPI IPs that can be configured by the integrator with a > specific FIFO depth depending on the system's capabilities. For example, > the samsung USI SPI IP can be configured by the integrator with a TX/RX > FIFO from 8 byte to 256 bytes. > > Introduce the ``fifo-depth`` property for such instances of IPs where the > same FIFO depth is used for both RX and TX. Introduce ``rx-fifo-depth`` > and ``tx-fifo-depth`` properties for cases where the RX FIFO depth is > different from the TX FIFO depth. > > Make the dedicated RX/TX properties dependent on each other and mutual > exclusive with the other. > > Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> > --- > .../bindings/spi/spi-controller.yaml | 27 +++++++++++++++++++ > 1 file changed, 27 insertions(+) With the indentation fixed, Reviewed-by: Rob Herring <robh@xxxxxxxxxx>