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Message-ID: <498bedab-c937-9b93-87db-5ca33ff81e3b@linaro.org>
Date:   Thu, 1 Jun 2023 08:39:17 +0200
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Subject: Re: [PATCH v1 04/43] dt-bindings: clock: Add Cirrus EP93xx
Content-Language: en-US
To:     Nikita Shubin <nikita.shubin@maquefel.me>,
        Alexander Sverdlin <alexander.sverdlin@gmail.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Linus Walleij <linus.walleij@linaro.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc:     Michael Peters <mpeters@embeddedTS.com>,
        Kris Bahnsen <kris@embeddedTS.com>, linux-clk@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20230424123522.18302-1-nikita.shubin@maquefel.me>
 <20230601053546.9574-5-nikita.shubin@maquefel.me>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20230601053546.9574-5-nikita.shubin@maquefel.me>
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Precedence: bulk

On 01/06/2023 07:33, Nikita Shubin wrote:
> This adds device tree bindings for the Cirrus Logic EP93xx
> clock block used in these SoCs.
> 
> Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
> ---
> 
> Notes:
>     v0 -> v1:
>     
>     - it's now a clock controller
> 
>  .../bindings/clock/cirrus,ep9301.yaml         | 64 +++++++++++++++++++
>  1 file changed, 64 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/cirrus,ep9301.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/cirrus,ep9301.yaml b/Documentation/devicetree/bindings/clock/cirrus,ep9301.yaml
> new file mode 100644
> index 000000000000..4f9e0d483698
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/cirrus,ep9301.yaml

Filename matching compatible.

> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/cirrus,ep9301.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cirrus Logic ep93xx SoC's clock controller
> +
> +maintainers:
> +  - Nikita Shubin <nikita.shubin@maquefel.me>
> +  - Alexander Sverdlin <alexander.sverdlin@gmail.com>
> +
> +description: |
> +  Cirrus Logic EP93XX SoC clocks driver bindings. The clock
> +  controller node must be defined as a child node of the ep93xx
> +  system controller node.
> +
> +  See also:
> +  - dt-bindings/clock/cirrus,ep93xx-clock.h
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - const: cirrus,ep9301-clk
> +      - items:
> +          - enum:
> +              - cirrus,ep9302-clk
> +              - cirrus,ep9307-clk
> +              - cirrus,ep9312-clk
> +              - cirrus,ep9315-clk
> +          - const: cirrus,ep9301-clk
> +
> +  "#clock-cells":
> +    const: 1
> +
> +  clocks:
> +    description: List of clock specifiers which are external input
> +      clocks to the given clock controller.

Drop description, it's obvious.

> +    items:
> +      - description: reference clock
> +
> +required:
> +  - compatible
> +  - "#clock-cells"
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    clocks {
> +      xtali: oscillator {
> +        compatible = "fixed-clock";
> +        #clock-cells = <0>;
> +        clock-frequency = <14745600>;
> +      };
> +    };

Drop this part of example, it's obvious.

> +
> +    clock-controller {
> +      #clock-cells = <1>;
> +      compatible = "cirrus,ep9301-clk";

compatible is always first property.

> +      clocks = <&xtali>;
> +    };
> +...

Best regards,
Krzysztof