Re: [PATCH v2 01/12] spi: dt-bindings: introduce FIFO depth properties
From: Rob Herring
Date: Tue Feb 13 2024 - 08:14:30 EST
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>