[PATCH v2 30/46] dt-bindings: display: mediatek: Introduce MT8196 Layer Blender

[Rob Herring]

On Tue, Jul 14, 2026 at 01:43:58PM +0200, AngeloGioacchino Del Regno wrote:
> Add documentation for the Overlay Layer Blender IP found in the
> newer generation SoCs like MT8196, MT8894, MT6991, and their
> variants.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> ---
>  .../mediatek/mediatek,mt8196-blender.yaml     | 97 +++++++++++++++++++
>  1 file changed, 97 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-blender.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-blender.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-blender.yaml
> new file mode 100644
> index 000000000000..402eccb5fd70
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-blender.yaml
> @@ -0,0 +1,97 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/mediatek/mediatek,mt8196-blender.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek Display Overlay Layer Blender
> +
> +maintainers:
> +  - AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> +
> +description:
> +  The MediaTek Display Overlay Layer Blender hardware is responsible
> +  for performing the alpha blending operation for overlapping layers
> +  from various sources.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt8196-disp-blender
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    properties:
> +      port at 0:
> +        $ref: /schemas/graph.yaml#/properties/port

You must have descriptions of what each port is.

> +
> +      port at 1:
> +        $ref: /schemas/graph.yaml#/properties/port