linux-kernel - Re: [PATCH v8 01/11] dt-bindings: clock: meson: add A1 PLL clock controller bindings

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Date:   Fri, 2 Dec 2022 11:42:56 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Dmitry Rokosov <ddrokosov@...rdevices.ru>,
        neil.armstrong@...aro.org, jbrunet@...libre.com,
        mturquette@...libre.com, sboyd@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, khilman@...libre.com,
        martin.blumenstingl@...glemail.com
Cc:     jian.hu@...ogic.com, kernel@...rdevices.ru, rockosov@...il.com,
        linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v8 01/11] dt-bindings: clock: meson: add A1 PLL clock
 controller bindings

On 01/12/2022 23:56, Dmitry Rokosov wrote:
> From: Jian Hu <jian.hu@...ogic.com>
> 
> Add the documentation to support Amlogic A1 PLL clock driver,
> and add A1 PLL clock controller bindings.
> 
> Signed-off-by: Jian Hu <jian.hu@...ogic.com>
> Signed-off-by: Dmitry Rokosov <ddrokosov@...rdevices.ru>
> ---
>  .../bindings/clock/amlogic,a1-pll-clkc.yaml   | 52 +++++++++++++++++++
>  include/dt-bindings/clock/a1-pll-clkc.h       | 16 ++++++
>  2 files changed, 68 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
>  create mode 100644 include/dt-bindings/clock/a1-pll-clkc.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
> new file mode 100644
> index 000000000000..d67250fbeece
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
> @@ -0,0 +1,52 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/amlogic,a1-pll-clkc.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"

Drop quotes from both.

> +
> +title: Amlogic Meson A/C serials PLL Clock Control Unit Device Tree Bindings

Drop "Device Tree Bindings"

> +
> +maintainers:
> +  - Neil Armstrong <narmstrong@...libre.com>

Not correct email address.

> +  - Jerome Brunet <jbrunet@...libre.com>
> +  - Jian Hu <jian.hu@...n.hu.com>
> +
> +properties:
> +  compatible:
> +    const: amlogic,a1-pll-clkc
> +
> +  "#clock-cells":
> +    const: 1
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +     - description: input xtal_fixpll
> +     - description: input xtal_hifipll

As pointed already - this patch cannot work and must not be merged.

> +
> +  clock-names:
> +    items:
> +      - const: xtal_fixpll
> +      - const: xtal_hifipll
> +
> +required:
> +  - compatible
> +  - "#clock-cells"
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    clkc_pll: pll-clock-controller@...0 {

Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

> +                compatible = "amlogic,a1-pll-clkc";

Use 4 spaces for example indentation.

> +                reg = <0 0x7c80 0 0x18c>;
> +                #clock-cells = <1>;
> +                clocks = <&clkc_periphs 1>,
> +                         <&clkc_periphs 4>;
> +                clock-names = "xtal_fixpll", "xtal_hifipll";
> +    };
> diff --git a/include/dt-bindings/clock/a1-pll-clkc.h b/include/dt-bindings/clock/a1-pll-clkc.h
> new file mode 100644
> index 000000000000..58eae237e503
> --- /dev/null
> +++ b/include/dt-bindings/clock/a1-pll-clkc.h 

Filename matching compatible / bindings file.

> @@ -0,0 +1,16 @@

Best regards,
Krzysztof