Re: [PATCH net-next v3 2/3] dt-bindings: net: dsa: microchip: Add strap description to set SPI mode

[Rob Herring (Arm)]

On Thu, 18 Sep 2025 10:33:51 +0200, Bastien Curutchet (Schneider Electric) wrote:
> At reset, KSZ8463 uses a strap-based configuration to set SPI as
> interface bus. If the required pull-ups/pull-downs are missing (by
> mistake or by design to save power) the pins may float and the
> configuration can go wrong preventing any communication with the switch.
> 
> Add a 'reset' pinmux state
> Add a KSZ8463 specific strap description that can be used by the driver
> to drive the strap pins during reset. Two GPIOs are used. Users must
> describe either both of them or none of them.
> 
> Signed-off-by: Bastien Curutchet (Schneider Electric) <bastien.curutchet@xxxxxxxxxxx>
> ---
>  .../devicetree/bindings/net/dsa/microchip,ksz.yaml    | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>