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

From: Rob Herring
Date: Wed Jun 07 2023 - 19:05:32 EST


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 <l.goehrs@xxxxxxxxxxxxxx>
> ---
> 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