Re: [PATCH v8 1/2] dt-bindings: display: add visionox rm69299 panel variant

[Rob Herring <robh@kernel.org>]

On Fri, Mar 20, 2020 at 11:14:08AM +0530, Harigovindan P wrote:
> Add bindings for visionox rm69299 panel.
> 
> Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
> ---
> 
> Changes in v2:
>     - Removed unwanted properties from description.
>     - Creating source files without execute permissions(Rob Herring).
> Changes in v3:
>     - Changing txt file into yaml
> Changes in v4:
>     - Updating license identifier.
>     - Moving yaml file inside panel directory.
>     - Removing pinctrl entries.
>     - Adding documentation for reset-gpios.
> Changes in v5:
>     - No changes. Updated 2/2 Patch.
> Changes in v6:
>     - Removing patternProperties.
>     - Added " |" after description.
>     - Setting port and reset-gpios to true.
>     - Removing @ae94000 for dsi node.
> Changes in v7:
>     - Added reg property.
> Changes in v8:
>     - Rearranged additionalProperties.

Still not right...

>     - Dropping improper reg property.
> 
>  .../display/panel/visionox,rm69299.yaml       | 73 +++++++++++++++++++
>  1 file changed, 73 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
> new file mode 100644
> index 000000000000..5fd277602a66
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/visionox,rm69299.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Visionox model RM69299 Panels Device Tree Bindings.
> +
> +maintainers:
> + - Harigovindan P <harigovi@codeaurora.org>
> +
> +description: |
> + This binding is for display panels using a Visionox RM692999 panel.
> +
> +allOf:
> + - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    const: visionox,rm69299-1080p-display
> +
> +  reg:
> +    maxItems: 1
> +
> +  vdda-supply:
> +    description: |
> +      Phandle of the regulator that provides the vdda supply voltage.
> +
> +  vdd3p3-supply:
> +    description: |
> +      Phandle of the regulator that provides the vdd3p3 supply voltage.
> +
> +  ports:
> +    type: object
> +    description: |
> +      A node containing DSI input & output port nodes with endpoint
> +      definitions as documented in
> +      Documentation/devicetree/bindings/media/video-interfaces.txt
> +      Documentation/devicetree/bindings/graph.txt
> +      properties:
> +        port: true

This is not taking effect because it's just description. You need to 
indent 2 fewer spaces.

'port' is not equal to 'port@0' which the example has. So fix the 
example.

And you need to add 'additionalProperties: false' here at the same level 
as 'properties'.

> +
> +  reset-gpios: true
> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> +  - vdda-supply
> +  - vdd3p3-supply
> +  - reset-gpios
> +
> +examples:
> +  - |
> +    panel {
> +        compatible = "visionox,rm69299-1080p-display";
> +
> +        vdda-supply = <&src_pp1800_l8c>;
> +        vdd3p3-supply = <&src_pp2800_l18a>;
> +
> +        reset-gpios = <&pm6150l_gpio 3 0>;
> +        ports {
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +            port@0 {
> +                reg = <0>;
> +                panel0_in: endpoint {
> +                    remote-endpoint = <&dsi0_out>;
> +                };
> +            };
> +        };
> +    };
> +...
> -- 
> 2.25.1
>