[PATCH v3] dt-bindings: soc: xilinx: Add support for K26 rev2 SOMs

[Rob Herring]

On Tue, 23 Jan 2024 15:16:44 +0100, Michal Simek wrote:
> Revision 2 is SW compatible with revision 1 but it is necessary to reflect
> it in model and compatible properties which are parsed by user space.
> Rev 2 has improved a power on boot reset and MIO34 shutdown glich
> improvement done via an additional filter in the GreenPak chip.
> 
> Signed-off-by: Michal Simek <michal.simek at amd.com>
> ---
> 
> Changes in v3:
> - use allOf contains structure to avoid random chars caused by
>   additionalItems: true
> 
> Changes in v2:
> - Support older combinations
> 
> I want to support all versions we created:
> All of them:
> -rev2, -rev1, -revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
> 
> rev1:
> -rev1, -revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
> 
> revB:
> -revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
> 
> revA:
> -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
> 
> And also single one are permitted:
> -revB, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
> -rev1, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
> -rev2, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
> 
> I didn't find a way to pretty much all the time force that there must be
> both "xlnx,zynqmp-smk-k26", "xlnx,zynqmp" that's why there is only
> requested to have xlnx,zynqmp. If you find a way how to encode it please
> let me know.
> 
> ---
>  .../bindings/soc/xilinx/xilinx.yaml           | 36 +++++++++++++------
>  1 file changed, 26 insertions(+), 10 deletions(-)
> 

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