Subject: Re: [PATCH v1 5/8] dt-bindings: net: dsa: microchip: add missing spi-{cpha,cpol} properties

From: Rob Herring <[email-masked]>
Date: Wed, 7 Jun 2023 17:04:59 -0600

On Wed, Jun 07, 2023 at 01:55:04PM +0200, Leonard Göhrs wrote:
> This patch allows setting the correct SPI phase and polarity for KSZ
> switches.
> 
> Signed-off-by: Leonard Göhrs <[email-masked]>
> ---
>  Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml b/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
> index e51be1ac03623..f7c620d9ee8b4 100644
> --- a/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
> +++ b/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
> @@ -49,6 +49,9 @@ properties:
>        Set if the output SYNCLKO clock should be disabled. Do not mix with
>        microchip,synclko-125.
>  
> +  spi-cpha: true
> +  spi-cpol: true

These should only be needed if the mode is configurable or variable. 
Otherwise, the driver for the device should set the mode correctly.

Rob