Re: [PATCH v5 05/20] dt-bindings: PCI: dwc: Add phys/phy-names common properties

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On Mon, Aug 22, 2022 at 04:57:24PM -0500, Rob Herring wrote:
> On Mon, 22 Aug 2022 21:46:46 +0300, Serge Semin wrote:
> > It's normal to have the DW PCIe RP/EP DT-nodes equipped with the explicit
> > PHY phandle references. There can be up to 16 PHYs attach in accordance
> > with the maximum number of supported PCIe lanes. Let's extend the common
> > DW PCIe controller schema with the 'phys' and 'phy-names' properties
> > definition. The PHY names are defined with the regexp pattern
> > '^pcie([0-9]+|-?phy[0-9]*)?$' so to match the names currently supported by
> > the DW PCIe platform drivers ("pcie": meson; "pciephy": qcom, imx6;
> > "pcie-phy": uniphier, rockchip, spear13xx; "pcie": intel-gw; "pcie-phy%d":
> > keystone, dra7xx; "pcie": histb, etc). Though the "pcie%d" format would
> > the most preferable in this case.
> > 
> > Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
> > 
> > ---
> > 
> > Changelog v3:
> > - This is a new patch unpinned from the next one:
> >   https://lore.kernel.org/linux-pci/20220503214638.1895-2-Sergey.Semin@xxxxxxxxxxxxxxxxxxxx/
> >   by the Rob' request. (@Rob)
> > 
> > Changelog v5:
> > - Add a note about having line-based PHY phandles order. (@Rob)
> > - Prefer 'pcie[0-9]+' PHY-names over the rest of the cases. (@Rob)
> > ---
> >  .../bindings/pci/snps,dw-pcie-common.yaml     | 19 +++++++++++++++++++
> >  .../bindings/pci/snps,dw-pcie-ep.yaml         |  3 +++
> >  .../devicetree/bindings/pci/snps,dw-pcie.yaml |  3 +++
> >  3 files changed, 25 insertions(+)
> > 
> 
> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
> 
> yamllint warnings/errors:
> 

> dtschema/dtc warnings/errors:
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.example.dtb: pcie@14180000: phy-names: 'oneOf' conditional failed, one must be fixed:
> 	'p2u-0' does not match '^pcie[0-9]+$'
> 	'p2u-0' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-1' does not match '^pcie[0-9]+$'
> 	'p2u-1' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-2' does not match '^pcie[0-9]+$'
> 	'p2u-2' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-3' does not match '^pcie[0-9]+$'
> 	'p2u-3' does not match '^pcie(-?phy[0-9]*)?$'

Right. I've missed the Nvidia Tegra194 phy-names. I'll mark them as
deprecated too. Meanwhile @Rob could you review the rest of the
series?

-Sergey

> 	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.example.dtb: pcie@14180000: Unevaluated properties are not allowed ('#address-cells', '#interrupt-cells', '#size-cells', 'bus-range', 'device_type', 'interrupt-map', 'interrupt-map-mask', 'linux,pci-domain', 'num-lanes', 'ranges', 'supports-clkreq' were unexpected)
> 	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.example.dtb: pcie@14160000: phy-names: 'oneOf' conditional failed, one must be fixed:
> 	'p2u-0' does not match '^pcie[0-9]+$'
> 	'p2u-0' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-1' does not match '^pcie[0-9]+$'
> 	'p2u-1' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-2' does not match '^pcie[0-9]+$'
> 	'p2u-2' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-3' does not match '^pcie[0-9]+$'
> 	'p2u-3' does not match '^pcie(-?phy[0-9]*)?$'
> 	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.example.dtb: pcie@14160000: Unevaluated properties are not allowed ('#address-cells', '#interrupt-cells', '#size-cells', 'bus-range', 'device_type', 'interrupt-map', 'interrupt-map-mask', 'linux,pci-domain', 'num-lanes', 'num-viewport', 'ranges' were unexpected)
> 	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.example.dtb: pcie-ep@141a0000: phy-names: 'oneOf' conditional failed, one must be fixed:
> 	'p2u-0' does not match '^pcie[0-9]+$'
> 	'p2u-0' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-1' does not match '^pcie[0-9]+$'
> 	'p2u-1' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-2' does not match '^pcie[0-9]+$'
> 	'p2u-2' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-3' does not match '^pcie[0-9]+$'
> 	'p2u-3' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-4' does not match '^pcie[0-9]+$'
> 	'p2u-4' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-5' does not match '^pcie[0-9]+$'
> 	'p2u-5' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-6' does not match '^pcie[0-9]+$'
> 	'p2u-6' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-7' does not match '^pcie[0-9]+$'
> 	'p2u-7' does not match '^pcie(-?phy[0-9]*)?$'
> 	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.example.dtb: pcie-ep@141a0000: Unevaluated properties are not allowed ('num-lanes' was unexpected)
> 	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.example.dtb: pcie-ep@141a0000: phy-names: 'oneOf' conditional failed, one must be fixed:
> 	'p2u-0' does not match '^pcie[0-9]+$'
> 	'p2u-0' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-1' does not match '^pcie[0-9]+$'
> 	'p2u-1' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-2' does not match '^pcie[0-9]+$'
> 	'p2u-2' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-3' does not match '^pcie[0-9]+$'
> 	'p2u-3' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-4' does not match '^pcie[0-9]+$'
> 	'p2u-4' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-5' does not match '^pcie[0-9]+$'
> 	'p2u-5' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-6' does not match '^pcie[0-9]+$'
> 	'p2u-6' does not match '^pcie(-?phy[0-9]*)?$'
> 	'p2u-7' does not match '^pcie[0-9]+$'
> 	'p2u-7' does not match '^pcie(-?phy[0-9]*)?$'
> 	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.example.dtb: pcie-ep@141a0000: Unevaluated properties are not allowed ('num-lanes' was unexpected)
> 	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
> 
> doc reference errors (make refcheckdocs):
> 
> See https://patchwork.ozlabs.org/patch/
> 
> This check can fail if there are any dependencies. The base for a patch
> series is generally the most recent rc1.
> 
> If you already ran 'make dt_binding_check' and didn't see the above
> error(s), then make sure 'yamllint' is installed and dt-schema is up to
> date:
> 
> pip3 install dtschema --upgrade
> 
> Please check and re-submit.
> 



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