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

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Date:   Mon, 19 Oct 2020 12:12:33 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     linux-samsung-soc@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Jingoo Han <jingoohan1@...il.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH 2/6] Documetation: dt-bindings: add the
 samsung,exynos-pcie binding

On Mon, Oct 19, 2020 at 11:47:11AM +0200, Marek Szyprowski wrote:
> From: Jaehoon Chung <jh80.chung@...sung.com>
> 
> 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@...sung.com>
> [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@...sung.com>
> ---
>  .../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@...sung.com>
> +
> +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

Best regards,
Krzysztof