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Message-ID: <b64155f2-2965-4ea1-8c23-7c79d7a01c9f@linaro.org>
Date: Sat, 24 Feb 2024 11:28:50 +0100
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Subject: Re: [PATCH v2 1/2] dt-bindings: usb: add hisilicon,hi3798mv200-dwc3
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To: forbidden405@outlook.com, Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
 Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>, Yang Xiwen <forbidden405@foxmail.com>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
 devicetree@vger.kernel.org
References: <20240224-dwc3-v2-0-8e4fcd757175@outlook.com>
 <20240224-dwc3-v2-1-8e4fcd757175@outlook.com>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20240224-dwc3-v2-1-8e4fcd757175@outlook.com>
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On 23/02/2024 22:43, Yang Xiwen via B4 Relay wrote:
> From: Yang Xiwen <forbidden405@outlook.com>
> 
> Document the DWC3 controller used by Hi3798MV200.
> 
> Signed-off-by: Yang Xiwen <forbidden405@outlook.com>


> +
> +properties:
> +  compatible:
> +    const: hisilicon,hi3798mv200-dwc3
> +
> +  '#address-cells':
> +    const: 1
> +
> +  '#size-cells':
> +    const: 1
> +
> +  reg: true

Constraints. maxItems: X

> +
> +  ranges: true
> +
> +  clocks:
> +    items:
> +      - description: Controller bus clock
> +      - description: Controller suspend clock
> +      - description: Controller reference clock
> +      - description: Controller gm clock
> +      - description: Controller gs clock
> +      - description: Controller utmi clock
> +      - description: Controller pipe clock
> +
> +  clock-names:
> +    items:
> +      - const: bus
> +      - const: suspend
> +      - const: ref
> +      - const: gm
> +      - const: gs
> +      - const: utmi
> +      - const: pipe
> +
> +  resets:
> +    maxItems: 1
> +
> +  reset-names:
> +    const: soft
> +
> +patternProperties:
> +  '^usb@[0-9a-z]+$':

unit addresses are in hex, so a-f

Open existing bindings and look how it is done there. There are no
bindings for DWC3 glue/wrapper device having a-z.


> +    $ref: snps,dwc3.yaml#
> +
> +additionalProperties: false

Same comments: open existing bindings and take a look how it is there.
This goes after 'required:' block.

> +
> +required:
> +  - compatible
> +  - '#address-cells'
> +  - '#size-cells'
> +  - ranges
> +  - reg
> +  - clocks
> +  - clock-names
> +  - resets
> +  - reset-names
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    usb@98a0000 {
> +            compatible = "hisilicon,hi3798mv200-dwc3";

reg is always the second property. ranges is third.


> +            #address-cells = <1>;
> +            #size-cells = <1>;

Use 4 spaces for example indentation.


Best regards,
Krzysztof