Re: [PATCH RFC 2/2] dt: pci: kirin-pcie.txt: convert it to yaml

[Rob Herring <robh@kernel.org>]

On Tue, Feb 02, 2021 at 10:45:37AM +0100, Mauro Carvalho Chehab wrote:
> Em Tue, 26 Jan 2021 09:49:18 -0600
> Rob Herring <robh+dt@kernel.org> escreveu:
> 
> > On Tue, Jan 26, 2021 at 1:35 AM Mauro Carvalho Chehab
> > <mchehab+huawei@kernel.org> wrote:
> > >
> > > Convert the file into a JSON description at the yaml format.
> > >
> > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
> > > ---
> > >  .../bindings/pci/hisilicon,kirin-pcie.yaml    | 98 +++++++++++++++++++
> > >  .../devicetree/bindings/pci/kirin-pcie.txt    | 50 ----------
> > >  MAINTAINERS                                   |  2 +-
> > >  3 files changed, 99 insertions(+), 51 deletions(-)
> > >  create mode 100644 Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
> > >  delete mode 100644 Documentation/devicetree/bindings/pci/kirin-pcie.txt
> > >
> > > diff --git a/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml b/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
> > > new file mode 100644
> > > index 000000000000..8d8112b2aca0
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
> > > @@ -0,0 +1,98 @@
> > > +# SPDX-License-Identifier: GPL-2.0
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/pci/hisilicon,kirin-pcie.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: HiSilicon Kirin SoCs PCIe host DT description
> > > +
> > > +maintainers:
> > > +  - Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
> > > +
> > > +description: |
> > > +  Kirin PCIe host controller is based on the Synopsys DesignWare PCI core.
> > > +  It shares common functions with the PCIe DesignWare core driver and
> > > +  inherits common properties defined in
> > > +  Documentation/devicetree/bindings/pci/designware-pcie.yaml.  
> > 
> > Drop this and move the $ref to here.
> 
> That doesn't pass at dt_binding_check. If I do either:
> 
>   allOf:
>     - $ref: snps,pcie.yaml#
> 
> or:
> 
>   allOf:
>     - $ref: /schemas/pci/pci-bus.yaml#
>     - $ref: snps,pcie.yaml#
> 
> Then dt-binding-check starts to think that this DT is for a pinctrl:
> 
> 	make CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
> 	  LINT    Documentation/devicetree/bindings
> 	  DTEX    Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.example.dts
> 	./Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml:10:4: [warning] wrong indentation: expected 2 but found 3 (indentation)
> 	./Documentation/devicetree/bindings/pinctrl/microchip,sparx5-sgpio.yaml:102:10: [warning] wrong indentation: expected 10 but found 9 (indentation)
> 	  CHKDT   Documentation/devicetree/bindings/processed-schema-examples.json
> 	  SCHEMA  Documentation/devicetree/bindings/processed-schema-examples.json
> 	  DTC     Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.example.dt.yaml
> 	  CHECK   Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.example.dt.yaml
> 	.../Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.example.dt.yaml: pcie@f4000000: '#address-cells', '#interrupt-cells', '#size-cells', 'bus-range', 'device_type', 'interrupt-map', 'interrupt-map-mask', 'interrupt-names', 'interrupts', 'num-lanes', 'ranges', 'reg-names', 'reset-gpios' do not match any of the regexes: 'pinctrl-[0-9]+'
> 		From schema: .../Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
> 
> No idea why. Perhaps something broken at pinctrl schema?

You'll need to use unevaluatedProperties instead of 
additionalProperties.

Rob