linux-kernel - Re: [PATCH v2] dt-bindings: phy: ralink-usb-phy: convert to dtschema

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Message-ID: <0e6a3e08-4f66-4bc1-a8a0-a7bb40472136@linaro.org>
Date:   Sun, 22 Oct 2023 17:57:43 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sergio Paracuellos <sergio.paracuellos@...il.com>,
        devicetree@...r.kernel.org
Cc:     vkoul@...nel.org, kishon@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com,
        linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org
Subject: Re: [PATCH v2] dt-bindings: phy: ralink-usb-phy: convert to dtschema

On 22/10/2023 15:12, Sergio Paracuellos wrote:
> Convert the ralink-usb-phy bindings to DT schema.
> 
> Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
> ---
> Changes in v2:
>  - Add missing SPDX License Identifier
> 
>  .../bindings/phy/ralink-usb-phy.txt           | 23 ------
>  .../bindings/phy/ralink-usb-phy.yaml          | 70 +++++++++++++++++++
>  2 files changed, 70 insertions(+), 23 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/phy/ralink-usb-phy.txt
>  create mode 100644 Documentation/devicetree/bindings/phy/ralink-usb-phy.yaml
> 
> diff --git a/Documentation/devicetree/bindings/phy/ralink-usb-phy.txt b/Documentation/devicetree/bindings/phy/ralink-usb-phy.txt
> deleted file mode 100644
> index 9d2868a437ab..000000000000
> --- a/Documentation/devicetree/bindings/phy/ralink-usb-phy.txt
> +++ /dev/null
> @@ -1,23 +0,0 @@
> -Mediatek/Ralink USB PHY
> -
> -Required properties:
> - - compatible: "ralink,rt3352-usbphy"
> -	       "mediatek,mt7620-usbphy"
> -	       "mediatek,mt7628-usbphy"
> - - reg: required for "mediatek,mt7628-usbphy", unused otherwise
> - - #phy-cells: should be 0
> - - ralink,sysctl: a phandle to a ralink syscon register region
> - - resets: the two reset controllers for host and device
> - - reset-names: the names of the 2 reset controllers
> -
> -Example:
> -
> -usbphy: phy {
> -	compatible = "mediatek,mt7628-usbphy";
> -	reg = <0x10120000 0x1000>;
> -	#phy-cells = <0>;
> -
> -	ralink,sysctl = <&sysc>;
> -	resets = <&rstctrl 22 &rstctrl 25>;
> -	reset-names = "host", "device";
> -};
> diff --git a/Documentation/devicetree/bindings/phy/ralink-usb-phy.yaml b/Documentation/devicetree/bindings/phy/ralink-usb-phy.yaml
> new file mode 100644
> index 000000000000..b05665f5b641
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/ralink-usb-phy.yaml

Filename matching compatible. Missing vendor prefix, comma.


> @@ -0,0 +1,70 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/ralink-usb-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mediatek/Ralink USB PHY
> +
> +maintainers:
> +  - Sergio Paracuellos <sergio.paracuellos@...il.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ralink,rt3352-usbphy
> +      - mediatek,mt7620-usbphy
> +      - mediatek,mt7628-usbphy

Keep them ordered alphabetically, please.

Blank line here.


> +  reg:
> +    maxItems: 1
> +
> +  "#phy-cells":
> +    const: 0
> +
> +  ralink,sysctl:
> +    description:
> +      phandle to a ralink syscon register region.
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +
> +  resets:
> +    items:
> +      - description: USB Host reset controller
> +      - description: USB Device reset controller
> +
> +  reset-names:
> +    items:
> +      - const: host
> +      - const: device
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: mediatek,mt7628-usbphy
> +    then:
> +      required:
> +        - reg

else:
is it even valid?

Anyway, please put allOf: block after required: block.

> +
> +required:
> +  - compatible
> +  - "#phy-cells"
> +  - ralink,sysctl
> +  - resets
> +  - reset-names
> +


Best regards,
Krzysztof