Re: [PATCH v4 1/5] dt-bindings: pci: Add ARTPEC-8 PCIe controller

[Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>]

On 20/07/2022 07:54, Wangseok Lee wrote:
> Add description to support Axis, ARTPEC-8 SoC. ARTPEC-8 is the SoC platform
> of Axis Communications and PCIe controller is designed based on Design-Ware
> PCIe controller.
> 
> Signed-off-by: Wangseok Lee <wangseok.lee@samsung.com>
> ---
> v3->v4 :
> -Add missing properties
> 
> v2->v3 :
> -Modify version history to fit the linux commit rule
> -Remove 'Device Tree Bindings' on title
> -Remove clock-names entries
> -Change node name to soc from artpec8 on excamples

Please rebase on newest Linux kernel or linux-next and use
get_maintainers.pl script.

> 
> v1->v2 :
> -'make dt_binding_check' result improvement
> -Add the missing property list
> -Align the indentation of continued lines/entries
> ---
>  .../bindings/pci/axis,artpec8-pcie-ep.yaml         | 138 +++++++++++++++++++
>  .../devicetree/bindings/pci/axis,artpec8-pcie.yaml | 148 +++++++++++++++++++++
>  2 files changed, 286 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pci/axis,artpec8-pcie-ep.yaml
>  create mode 100644 Documentation/devicetree/bindings/pci/axis,artpec8-pcie.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pci/axis,artpec8-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/axis,artpec8-pcie-ep.yaml
> new file mode 100644
> index 0000000..435e86f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/axis,artpec8-pcie-ep.yaml
> @@ -0,0 +1,138 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pci/axis,artpec8-pcie-ep.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ARTPEC-8 SoC PCIe Controller
> +
> +maintainers:
> +  - Jesper Nilsson <jesper.nilsson@axis.com>
> +
> +description: |+
> +  This PCIe end-point controller is based on the Synopsys DesignWare PCIe IP
> +  and thus inherits all the common properties defined in snps,dw-pcie-ep.yaml.
> +
> +allOf:
> +  - $ref: /schemas/pci/snps,dw-pcie-ep.yaml#
> +
> +properties:
> +  compatible:
> +    const: axis,artpec8-pcie-ep
> +
> +  reg:
> +    items:
> +      - description: Data Bus Interface (DBI) registers.
> +      - description: Data Bus Interface (DBI2) registers.
> +      - description: PCIe address space region.
> +
> +  reg-names:
> +    items:
> +      - const: dbi
> +      - const: dbi2
> +      - const: addr_space
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: PIPE clock, used by the controller to clock the PIPE
> +      - description: PCIe dbi clock, ungated version
> +      - description: PCIe master clock, ungated version
> +      - description: PCIe slave clock, ungated version
> +
> +  clock-names:
> +    items:
> +      - const: pipe
> +      - const: dbi
> +      - const: mstr
> +      - const: slv
> +
> +  samsung,fsys-sysreg:
> +    description:
> +      Phandle to system register of fsys block.
> +    $ref: /schemas/types.yaml#/definitions/phandle

Since you wrote this is one register, I expect offset:
https://elixir.bootlin.com/linux/v5.18-rc1/source/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml#L42


> +
> +  samsung,syscon-phandle:
> +    description:
> +      Phandle to the PMU system controller node.
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +
> +  samsung,fsys-bus-s:
> +    description:
> +      Phandle to bus-s of fsys block, this register
> +      is additional control sysreg in fsys block and
> +      this is used for pcie slave control setting.
> +    $ref: /schemas/types.yaml#/definitions/phandle

Ditto

> +
> +  samsung,fsys-bus-p:
> +    description:
> +      Phandle to bus-p of fsys block, this register
> +      is additional control sysreg in fsys block and
> +      this is used for pcie dbi control setting.
> +    $ref: /schemas/types.yaml#/definitions/phandle

Ditto

> +
> +  phys:
> +    maxItems: 1
> +
> +  phy-names:
> +    items:
> +      - const: pcie_phy
> +
> +  num-lanes:
> +    const: 2
> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +  - interrupts
> +  - interrupt-names
> +  - clocks
> +  - clock-names
> +  - samsung,fsys-sysreg
> +  - samsung,syscon-phandle
> +  - samsung,syscon-bus-s-fsys

This does not match what you wrote in properties.

Best regards,
Krzysztof