On 09/03/2022 13:00, Bharat Kumar Gogada wrote: > Xilinx Versal Premium series has CPM5 block which supports Root Port > functioning at Gen5 speed. > > Add support for YAML schemas documentation for Versal CPM5 Root Port driver. > > Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gogada@xxxxxxxxxx> > --- > .../bindings/pci/xilinx-versal-cpm.yaml | 47 ++++++++++++++++--- > 1 file changed, 40 insertions(+), 7 deletions(-) > > diff --git a/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml b/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml > index 32f4641085bc..97c7229d7f91 100644 > --- a/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml > +++ b/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml > @@ -14,17 +14,21 @@ allOf: > > properties: > compatible: > - const: xlnx,versal-cpm-host-1.00 > + contains: > + enum: > + - xlnx,versal-cpm-host-1.00 > + - xlnx,versal-cpm5-host-1.00 > > reg: > - items: > - - description: Configuration space region and bridge registers. > - - description: CPM system level control and status registers. > + description: | > + Should contain cpm_slcr, cfg registers location and length. > + For xlnx,versal-cpm5-host-1.00, it should also contain cpm_csr. > + minItems: 2 > + maxItems: 3 > > reg-names: > - items: > - - const: cfg > - - const: cpm_slcr > + minItems: 2 > + maxItems: 3 > One more thought - it seems three items are required on cpm5, so you miss later proper allOf-if: which enforces this. Best regards, Krzysztof