linux-kernel - Re: [PATCH v2 2/5] dt-bindings: phy: Add ARTPEC-8 PCIe phy

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Date:   Mon, 6 Jun 2022 12:14:19 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     wangseok.lee@...sung.com,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
        "kishon@...com" <kishon@...com>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "jesper.nilsson@...s.com" <jesper.nilsson@...s.com>,
        "lars.persson@...s.com" <lars.persson@...s.com>
Cc:     "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "linux-phy@...ts.infradead.org" <linux-phy@...ts.infradead.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
        "kw@...ux.com" <kw@...ux.com>,
        "linux-arm-kernel@...s.com" <linux-arm-kernel@...s.com>,
        "kernel@...s.com" <kernel@...s.com>,
        Moon-Ki Jun <moonki.jun@...sung.com>,
        Sang Min Kim <hypmean.kim@...sung.com>,
        Dongjin Yang <dj76.yang@...sung.com>
Subject: Re: [PATCH v2 2/5] dt-bindings: phy: Add ARTPEC-8 PCIe phy

On 03/06/2022 04:31, 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.

This does not look like wrapped in Linux commit style.
https://elixir.bootlin.com/linux/v5.18-rc4/source/Documentation/process/submitting-patches.rst#L586

> 
> changes since v1 :
> -'make dt_binding_check' result improvement
> -Add the missing property list
> -Align the indentation of continued lines/entries
> 
> Signed-off-by: Wangseok Lee <wangseok.lee@...sung.com>
> ---
>  .../bindings/phy/axis,artpec8-pcie-phy.yaml        | 70 ++++++++++++++++++++++
>  1 file changed, 70 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..ab9766f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/axis,artpec8-pcie-phy.yaml
> @@ -0,0 +1,70 @@
> +# 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 Device Tree Bindings

Same comment as patch #1.

> +
> +maintainers:
> +  - Jesper Nilsson <jesper.nilsson@...s.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:
> +    items:
> +      - description: PCIe PHY reference clock
> +
> +  clock-names:
> +    items:
> +      - const: ref_clk

Same comment as patch #1.

> +
> +  num-lanes:
> +    const: 2
> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +  - "#phy-cells"
> +  - clocks
> +  - clock-names
> +  - num-lanes
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    artpec8 {

Same comment as patch #1.


> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +        pcie_phy: pcie-phy@...80000 {
> +            compatible = "axis,artpec8-pcie-phy";
> +            reg = <0x0 0x16c80000 0x0 0x2000>,
> +                  <0x0 0x16c90000 0x0 0x1000>;
> +            reg-names = "phy", "pcs";
> +            #phy-cells = <0>;
> +            clocks = <&clock_cmu_fsys 53>;
> +            clock-names = "ref_clk";
> +            num-lanes = <2>;
> +        };
> +    };
> +...


Best regards,
Krzysztof