Re: [PATCH 2/6] Documetation: dt-bindings: add the samsung,exynos-pcie binding

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On Mon, 19 Oct 2020 at 12:12, Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>
> On Mon, Oct 19, 2020 at 11:47:11AM +0200, Marek Szyprowski wrote:
> > From: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
> >
> > Add dt-bindings for the Samsung Exynos PCIe controller (Exynos5433
> > variant).
>
> The title has typo and actually entire "Doc" should be dropped. Just
> "dt-bindings: pci:".  This applies to all DT patches.
>
> >
> > Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
> > [mszyprow: updated the binding to latest driver changes, rewrote it in yaml,
> >          rewrote commit message]
>
> If you wrote them in YAML it should be a new patch of yours. It is the
> same then as converting TXT to YAML.
>
> > Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> > ---
> >  .../bindings/pci/samsung,exynos-pcie.yaml     | 106 ++++++++++++++++++
> >  1 file changed, 106 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml b/Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml
> > new file mode 100644
> > index 000000000000..48fb569c238c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml
> > @@ -0,0 +1,104 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/pci/samsung,exynos-pcie.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Samsung SoC series PCIe Host Controller Device Tree Bindings
> > +
> > +maintainers:
> > +  - Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
> > +
> > +description: |+
> > +  Exynos5433 SoC PCIe host controller is based on the Synopsys DesignWare
> > +  PCIe IP and thus inherits all the common properties defined in
> > +  designware-pcie.txt.
> > +
> > +allOf:
> > +  - $ref: /schemas/pci/pci-bus.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - samsung,exynos5433-pcie
>
> const, not enum
>
> > +
> > +  reg:
> > +    items:
> > +      - description: External Local Bus interface (ELBI) registers.
> > +      - description: Data Bus Interface (DBI) registers.
> > +      - description: PCIe configuration space region.
> > +
> > +  reg-names:
> > +    items:
> > +      - const: elbi
> > +      - const: bdi
> > +      - const: config
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    items:
> > +      - description: PCIe bridge clock
> > +      - description: PCIe bus clock
> > +
> > +  clock-names:
> > +    items:
> > +      - const: pcie
> > +      - const: pcie_bus
> > +
> > +  phys:
> > +    maxItems: 1
> > +
> > +  phy-names:
> > +    const: pcie-phy
> > +
> > +  vdd10-supply:
> > +    description:
> > +      Phandle to a regulator that provides 1.0V power to the PCIe block.
> > +
> > +  vdd18-supply:
> > +    description:
> > +      Phandle to a regulator that provides 1.8V power to the PCIe block.
> > +
> > +required:
> > +  - reg
> > +  - reg-names
> > +  - interrupts
> > +  - interrupt-names
> > +  - clocks
> > +  - clock-names
> > +  - phys
> > +  - phy-names
> > +  - vdd10-supply
>
> additionalProperties: false

This can be unevaluatedProperties, since you include pci-bus schema.
However still you should either include designware schema or include
it's properties here.

Best regards,
Krzysztof



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