Re: [PATCH 1/2] dt-bindings: phy: nuvoton,ma35-usb2-phy: add new bindings

[Krzysztof Kozlowski <krzk@kernel.org>]

On 29/07/2024 08:15, hpchen0 wrote:
> Add dt-bindings for USB2 PHY found on the Nuvoton MA35 SoC.
> 
> Signed-off-by: hpchen0 <hpchen0nvt@gmail.com>

Please use proper name.

> ---
>  .../bindings/phy/nuvoton,ma35-usb2-phy.yaml   | 51 +++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/nuvoton,ma35-usb2-phy.yaml
> 
> diff --git a/Documentation/devicetree/bindings/phy/nuvoton,ma35-usb2-phy.yaml b/Documentation/devicetree/bindings/phy/nuvoton,ma35-usb2-phy.yaml
> new file mode 100644
> index 000000000000..415ea2c45975
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/nuvoton,ma35-usb2-phy.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/nuvoton,ma35-usb2-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nuvoton MA35 USB2 phy
> +
> +maintainers:
> +  - hpchen0 <hpchen0nvt@gmail.com>

Same here

> +
> +properties:
> +  compatible:
> +    enum:
> +      - nuvoton,ma35-usb2-phy

All other devices have name ma35d1. Is this a different SoC?

> +
> +  "#phy-cells":
> +    const: 0
> +
> +  clocks:
> +    maxItems: 1
> +    description: USB PHY clock

Drop description, it's obvious.

> +
> +  clock-names:
> +    const: usbd_gate

Drop clock-names, you do not bring any new information.

> +
> +  nuvoton,sys:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      phandle of the system-management node.

Describe what is it for.

> +
> +required:
> +  - compatible
> +  - clocks
> +  - nuvoton,sys
> +  - "#phy-cells"

Keep the same order as in properties.

> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>

Where do you use it?

> +    #include <dt-bindings/clock/nuvoton,ma35d1-clk.h>
> +
> +    usb_phy: usb-phy {
> +        compatible = "nuvoton,ma35-usb2-phy";
> +        clocks = <&clk USBD_GATE>;
> +        clock-names = "usbd_gate";
> +        nuvoton,sys = <&sys>;
> +        #phy-cells = <0>;
> +    };

Best regards,
Krzysztof


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