linux-kernel - Re: [PATCH v2 2/4] dt-bindings: display: Add Himax HX8394 panel controller

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Date:   Tue, 27 Dec 2022 08:44:26 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Javier Martinez Canillas <javierm@...hat.com>,
        linux-kernel@...r.kernel.org
Cc:     Ondrej Jirman <megi@....cz>, Robert Mader <robert.mader@...teo.de>,
        Sam Ravnborg <sam@...nborg.org>,
        Maya Matuszczyk <maccraft123mc@...il.com>,
        Kamil Trzciński <ayufan@...fan.eu>,
        Martijn Braam <martijn@...xit.nl>,
        Peter Robinson <pbrobinson@...il.com>,
        Tom Fitzhenry <tom@...-fitzhenry.me.uk>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v2 2/4] dt-bindings: display: Add Himax HX8394 panel
 controller

On 26/12/2022 14:49, Javier Martinez Canillas wrote:
> Add device tree bindings for panels based on the Himax HX8394 controller,
> such as the HannStar HSD060BHW4 720x1440 TFT LCD panel that is connected
> through a MIPI-DSI video interface.
> 
> Signed-off-by: Javier Martinez Canillas <javierm@...hat.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
> 
> Changes in v2:
> - Drop redundant "bindings" in subject (Krzysztof Kozlowski).
> - Drop "device tree bindings" in title (Krzysztof Kozlowski).
> - Put port next to other "true" properties (Krzysztof Kozlowski).
> - Add Krzysztof Kozlowski's Reviewed-by tag.
> 
>  .../bindings/display/panel/himax,hx8394.yaml  | 65 +++++++++++++++++++
>  1 file changed, 65 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml b/Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml
> new file mode 100644
> index 000000000000..bead3f0b05c5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml
> @@ -0,0 +1,65 @@
> +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/himax,hx8394.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Himax HX8394 MIPI-DSI LCD panel controller
> +
> +maintainers:
> +  - Javier Martinez Canillas <javierm@...hat.com>
> +
> +description:
> +  Device tree bindings for panels based on the Himax HX8394 controller,
> +  such as the HannStar HSD060BHW4 720x1440 TFT LCD panel connected with
> +  a MIPI-DSI video interface.
> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      # HannStar HSD060BHW4 5.99" 720x1440 TFT LCD panel
> +      - hannstar,hsd060bhw4
> +
> +  vcc-supply:
> +    description: Panel power supply
> +
> +  iovcc-supply:
> +    description: I/O voltage supply
> +
> +  port: true
> +
> +  reset-gpios: true
> +
> +  backlight: true
> +
> +required:
> +  - compatible
> +  - vcc-supply
> +  - iovcc-supply
> +  - port

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

Best regards,
Krzysztof