Re: [PATCH v13 1/3] dt-binding: mt8183: add Mediatek MDP3 dt-bindings

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On Mon, Apr 18, 2022 at 10:22:11AM +0800, Moudy Ho wrote:
> This patch adds DT binding documents for Media Data Path 3 (MDP3)
> a unit in multimedia system combined with several components and
> used for scaling and color format convert.
> 
> Signed-off-by: Moudy Ho <moudy.ho@xxxxxxxxxxxx>
> ---
>  .../bindings/media/mediatek,mdp3-rdma.yaml    | 166 ++++++++++++++++++
>  .../bindings/media/mediatek,mdp3-rsz.yaml     |  54 ++++++
>  .../bindings/media/mediatek,mdp3-wrot.yaml    |  57 ++++++
>  .../bindings/soc/mediatek/mediatek,ccorr.yaml |  47 +++++
>  .../bindings/soc/mediatek/mediatek,wdma.yaml  |  58 ++++++
>  5 files changed, 382 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
>  create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-rsz.yaml
>  create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-wrot.yaml
>  create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,ccorr.yaml
>  create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,wdma.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
> new file mode 100644
> index 000000000000..45b7c075ebf5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
> @@ -0,0 +1,166 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/mediatek,mdp3-rdma.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mediatek Read Direct Memory Access
> +
> +maintainers:
> +  - Matthias Brugger <matthias.bgg@xxxxxxxxx>
> +
> +description: |
> +  Mediatek Read Direct Memory Access(RDMA) component used to do read DMA.
> +  It contains one line buffer to store the sufficient pixel data, and
> +  must be siblings to the central MMSYS_CONFIG node.
> +  For a description of the MMSYS_CONFIG binding, see
> +  Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
> +  for details.
> +  The 1st RDMA is also used to be a controller node in Media Data Path 3(MDP3)
> +  that containing MMSYS, MUTEX, GCE and SCP settings.
> +
> +properties:
> +  compatible:
> +    items:
> +      # MDP3 controller node
> +      - const: mediatek,mt8183-mdp3
> +      - const: mediatek,mt8183-mdp3-rdma

This *still* makes no sense. I'm not looking at this further.

Rob



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