Re: [PATCH 2/3 v4] drm/panel: Add DT bindings for Sony ACX424AKP

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On Thu, Oct 24, 2019 at 01:43:04PM +0200, Linus Walleij wrote:
> This adds device tree bindings for the Sony ACX424AKP panel.
> Let's use YAML.

Also broken. Run 'make dt_binding_check'.

> 
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> ---
> ChangeLog v3->v4:
> - Adjust to adjusted DSI bindings.
> ChangeLog v2->v3:
> - Put the example inside a dsi-controller so we have a complete
>   example that verifies to the DSI panel generic binding.
> ChangeLog v1->v2:
> - Suggest a stand-alone YAML bindings file for DSI panels in
>   a separate patch, and use that to reference the
>   boolean "enforce-video-mode" attribute for DSI panels
> ---
>  .../display/panel/sony,acx424akp.yaml         | 49 +++++++++++++++++++
>  1 file changed, 49 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/sony,acx424akp.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/sony,acx424akp.yaml b/Documentation/devicetree/bindings/display/panel/sony,acx424akp.yaml
> new file mode 100644
> index 000000000000..a2f49b9a5958
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/sony,acx424akp.yaml
> @@ -0,0 +1,49 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/sony,acx424akp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sony ACX424AKP 4" 480x864 AMOLED panel
> +
> +maintainers:
> +  - Linus Walleij <linus.walleij@xxxxxxxxxx>
> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +  - $ref: ../dsi-controller.yaml#

This is wrong now because it applies to the controller node, not the 
panel node. IOW, DSI controllers need to include it.

> +
> +properties:
> +  compatible:
> +    const: sony,acx424akp
> +  reg: true
> +  port: true
> +  reset-gpios: true
> +  vddi-supply:
> +     description: regulator that supplies the vddi voltage
> +  enforce-video-mode: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - port
> +  - reset-gpios
> +  - power-supply
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    dsi-controller@0 {

unit-address without 'reg'...

> +        compatible = "foo";
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        panel@0 {
> +            compatible = "sony,acx424akp";
> +            reg = <0>;
> +            vddi-supply = <&foo>;
> +            reset-gpios = <&foo_gpio 0 GPIO_ACTIVE_LOW>;
> +        };
> +    };
> +
> +...
> \ No newline at end of file

Should fix this...

> -- 
> 2.21.0
> 
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