[PATCH v3 04/15] spi: dt-bindings: dw-apb-ssi: update spi-{r,t}x-bus-width

[Rob Herring]

On Wed, 29 Jun 2022 19:43:33 +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley at microchip.com>
> 
> Most users of dw-apb-ssi use spi-{r,t}x-bus-width of 1, however the
> Canaan k210 is wired up for a width of 4.
> Quoting Serge:
> The modern DW APB SSI controllers of v.4.* and newer also support the
> enhanced SPI Modes too (Dual, Quad and Octal). Since the IP-core
> version is auto-detected at run-time there is no way to create a
> DT-schema correctly constraining the Rx/Tx SPI bus widths.
> /endquote
> 
> As such, drop the restriction on only supporting a bus width of 1.
> 
> Link: https://lore.kernel.org/all/20220620205654.g7fyipwytbww5757@mobilestation/
> Signed-off-by: Conor Dooley <conor.dooley at microchip.com>
> ---
>  Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml | 6 ------
>  1 file changed, 6 deletions(-)
> 

Reviewed-by: Rob Herring <robh at kernel.org>