Re: [PATCH v4 2/5] dt-bindings: phy: Add ARTPEC-8 PCIe phy

[Rob Herring <robh@kernel.org>]

On Wed, Jul 20, 2022 at 02:57:16PM +0900, Wangseok Lee wrote:
> Add description to support Axis, ARTPEC-8 SoC. ARTPEC-8 is the SoC platform
> of Axis Communications and PCIe PHY is designed based on Samsung PHY.
> 
> Signed-off-by: Wangseok Lee <wangseok.lee@samsung.com>
> ---
> v3->v4 :
> -Add "fsys-sysreg" to properties
> -Modify the "lcpll-ref-clk" and "clocks" in properties
>  "lcpll-ref-clk" is custom properties, so add 'vendor', type(enum),
>  description
>  Add the maxItem in clocks, add clock-names in 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
> 
> v1->v2 :
> -'make dt_binding_check' result improvement
> -Add the missing property list
> -Align the indentation of continued lines/entries
> ---
>  .../bindings/phy/axis,artpec8-pcie-phy.yaml        | 85 ++++++++++++++++++++++
>  1 file changed, 85 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/axis,artpec8-pcie-phy.yaml
> 
> diff --git a/Documentation/devicetree/bindings/phy/axis,artpec8-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/axis,artpec8-pcie-phy.yaml
> new file mode 100644
> index 0000000..9db39ef
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/axis,artpec8-pcie-phy.yaml
> @@ -0,0 +1,85 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/axis,artpec8-pcie-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ARTPEC-8 SoC PCIe PHY
> +
> +maintainers:
> +  - Jesper Nilsson <jesper.nilsson@axis.com>
> +
> +properties:
> +  compatible:
> +    const: axis,artpec8-pcie-phy
> +
> +  reg:
> +    items:
> +      - description: PHY registers.
> +      - description: PHY coding sublayer registers.
> +
> +  reg-names:
> +    items:
> +      - const: phy
> +      - const: pcs
> +
> +  "#phy-cells":
> +    const: 0
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    items:
> +      - const: ref
> +
> +  samsung,fsys-sysreg:
> +    description:
> +      Phandle to system register of fsys block.
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +
> +  num-lanes:
> +    const: 2

Why do you need num-lanes if 2 is the only possible value?

Rob


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