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Message-ID: <d37e0f2d-eaa5-4eaa-72bb-ead349235d6d@linaro.org>
Date:   Wed, 21 Dec 2022 09:13:51 +0100
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Subject: Re: [PATCH 2/2] dt-bindings: leds: backlight: add binding for Kinetic
 KTZ8866 backlight
Content-Language: en-US
To:     Jianhua Lu <lujianhua000@gmail.com>, Lee Jones <lee@kernel.org>,
        Daniel Thompson <daniel.thompson@linaro.org>,
        Jingoo Han <jingoohan1@gmail.com>, Pavel Machek <pavel@ucw.cz>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc:     linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
        linux-leds@vger.kernel.org, devicetree@vger.kernel.org
References: <20221221070216.17850-1-lujianhua000@gmail.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20221221070216.17850-1-lujianhua000@gmail.com>
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Precedence: bulk

On 21/12/2022 08:02, Jianhua Lu wrote:
> Add device tree bindings for the Kinetic KTZ8866 backlight driver.

1. Your patches are not properly threaded which makes it difficult to
review and handle them. Resend with proper threads.

2. Subject: drop second, redundant "binding for".

> 
> Signed-off-by: Jianhua Lu <lujianhua000@gmail.com>
> ---
>  .../leds/backlight/kinetic,ktz8866.yaml       | 37 +++++++++++++++++++
>  1 file changed, 37 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml
> 
> diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml
> new file mode 100644
> index 000000000000..7286c3fc7f5d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml
> @@ -0,0 +1,37 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktz8866.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Kinetic Technologies KTZ8866 backlight
> +
> +maintainers:
> +  - Jianhua Lu <lujianhua000@gmail.com>
> +
> +description: |
> +  The Kinetic Technologies KTZ8866 is a high efficiency 6-sinks led backlight
> +  with dual lcd bias power.
> +  https://www.kinet-ic.com/ktz8866/
> +
> +allOf:
> +  - $ref: common.yaml#
> +
> +properties:
> +  compatible:
> +    items:
> +      const: kinetic,ktz8866

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

> +
> +required:
> +  - compatible
> +
> +additionalProperties: false

This should be rather unevaluatedProperties: false, otherwise you do not
allow any other properties, except compatible. Was this the intention?

Best regards,
Krzysztof