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Message-ID: <102d2314-b832-4889-9828-8d532f826652@linaro.org>
Date:   Wed, 1 Nov 2023 08:11:17 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Pu Li <pu.li@...soc.com>, Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Zhiyong Liu <zhiyong.liu@...soc.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Orson Zhai <orsonzhai@...il.com>,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: phy: Add Spreadtrum usb20 hsphy yaml

On 01/11/2023 06:44, Pu Li wrote:
> Add device tree binding Documentation details for Spreadtrum
> usb20 hsphy driver.
> 
> Signed-off-by: Pu Li <pu.li@...soc.com>
> ---
>  .../bindings/phy/phy-sprd-usb20-hs.yaml       | 70 +++++++++++++++++++
>  1 file changed, 70 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/phy-sprd-usb20-hs.yaml

Filename matching compatible syntax.

> 
> diff --git a/Documentation/devicetree/bindings/phy/phy-sprd-usb20-hs.yaml b/Documentation/devicetree/bindings/phy/phy-sprd-usb20-hs.yaml
> new file mode 100644
> index 000000000000..102b49d3482e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-sprd-usb20-hs.yaml
> @@ -0,0 +1,70 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright 2020-2023 Unisoc Inc.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/phy-sprd-usb20-hs.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Spreadtrum USB20 High Speed PHY
> +
> +maintainers:
> +  - Pu Li <lip308226@...il.com>
> +
> +properties:
> +  compatible:
> +    oneOf:

No need for oneOf.

> +      - items:

No need of ritems,

> +          - enum:
> +              - sprd,pike2-phy
> +              - sprd,sharkle-phy
> +              - sprd,sharkl3-phy
> +              - sprd,sharkl5-phy
> +              - sprd,sharkl5pro-phy
> +              - sprd,qogirl6-phy
> +              - sprd,qogirn6lite-phy
> +              - sprd,uis8520-phy

What are these? pike2 is the SoC and the binding covers all phys? All?

> +
> +  reg:
> +    maxItems: 1
> +
> +  reg-names:
> +    const: phy_glb_regs

Drop, not needed for one entry.
> +
> +  sprd,syscon-enable:
> +    description:
> +      Phandle to aon apb syscon register region.

You called it syscon-enable but write aon-apb-syscon. Decide which one.
Also, you need to describe the purpose.

> +    $ref: /schemas/types.yaml#/definitions/phandle
> +
> +  sprd,syscon-ana:
> +    description:
> +      Phandle to analog syscon register region.

Two syscons? Nope, do not use syscons instead of regular abstractions.

> +    $ref: /schemas/types.yaml#/definitions/phandle
> +
> +  sprd,vdd-voltage:
> +    description:
> +      It represents the value of one analog power supply of phy,
> +      the unit is uV.

Then you must use -microvolt unit suffix.

> +    $ref: /schemas/types.yaml#/definitions/uint32
> +
> +  "#phy-cells":
> +    const: 0
> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +  - "#phy-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    hsphy@...70000 {

phy@

> +      compatible = "sprd,qogirl6-phy";


Best regards,
Krzysztof

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