linux-kernel - Re: [PATCH 1/3] dt-bindings: clock: Add thead th1520 clock

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Date:   Mon, 15 May 2023 08:26:48 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Yangtao Li <frank.li@...o.com>, mturquette@...libre.com,
        sboyd@...nel.org, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jisheng Zhang <jszhang@...nel.org>, Wei Fu <wefu@...hat.com>
Cc:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        Icenowy Zheng <uwu@...nowy.me>
Subject: Re: [PATCH 1/3] dt-bindings: clock: Add thead th1520 clock

On 15/05/2023 07:43, Yangtao Li wrote:
> Add devicetree binding document and related header file
> for the T-HEAD TH1520 clock.
> 
> Cc: Icenowy Zheng <uwu@...nowy.me>
> Cc: Wei Fu <wefu@...hat.com>
> Cc: Jisheng Zhang <jszhang@...nel.org>
> Signed-off-by: Yangtao Li <frank.li@...o.com>
> ---
>  .../bindings/clock/thead,th1520-ccu.yaml      | 60 +++++++++++++++++++
>  1 file changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/thead,th1520-ccu.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/thead,th1520-ccu.yaml b/Documentation/devicetree/bindings/clock/thead,th1520-ccu.yaml
> new file mode 100644
> index 000000000000..c3e2d8c7efa6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/thead,th1520-ccu.yaml
> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: GPL-2.0

Dual license.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/thead,th1520-ccu.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: T-HEAD Clock Control Unit
> +
> +maintainers:
> +  - Jisheng Zhang <jszhang@...nel.org>
> +  - Wei Fu <wefu@...hat.com>
> +  - Yangtao Li <frank.li@...o.com>
> +
> +

Stray blank line.

> +properties:
> +  "#clock-cells":
> +    const: 1
> +
> +  "#reset-cells":
> +    const: 1
> +
> +  compatible:

Compatible is always first property.

> +    enum:
> +      - thead,th1520-ccu
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    const: 2
> +    items:
> +      - description: High Frequency Oscillator (usually at 24MHz)
> +      - description: Low Frequency Oscillator (usually at 32kHz)

Does not look like you tested the bindings. Please run `make
dt_binding_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).

I'll stop review.

Best regards,
Krzysztof