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SubjectRe: [PATCH 2/4] dt-bindings: Add a binding for Mediatek MDP
On Thu, Jul 14, 2016 at 08:17:59PM +0800, Minghsiu Tsai wrote:
> Add a DT binding documentation of MDP for the MT8173 SoC
> from Mediatek
>
> Signed-off-by: Minghsiu Tsai <minghsiu.tsai@mediatek.com>
> ---
> .../devicetree/bindings/media/mediatek-mdp.txt | 92 ++++++++++++++++++++
> 1 file changed, 92 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/mediatek-mdp.txt
>
> diff --git a/Documentation/devicetree/bindings/media/mediatek-mdp.txt b/Documentation/devicetree/bindings/media/mediatek-mdp.txt
> new file mode 100644
> index 0000000..ef570c3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/mediatek-mdp.txt
> @@ -0,0 +1,92 @@
> +* Mediatek Media Data Path
> +
> +Media Data Path is used for scaling and color space conversion.
> +
> +Required properties:
> + - compatible : should contain them as below:
> + "mediatek,mt8173-mdp"
> + "mediatek,mt8173-mdp-rdma"
> + "mediatek,mt8173-mdp-rsz"
> + "mediatek,mt8173-mdp-wdma"
> + "mediatek,mt8173-mdp-wrot"
> + - clocks : device clocks
> + - power-domains : a phandle to the power domain.
> + - mediatek,larb : should contain the larbes of current platform
> + - iommus : Mediatek IOMMU H/W has designed the fixed associations with
> + the multimedia H/W. and there is only one multimedia iommu domain.
> + "iommus = <&iommu portid>" the "portid" is from
> + dt-bindings\iommu\mt8173-iommu-port.h, it means that this portid will
> + enable iommu. The portid default is disable iommu if "<&iommu portid>"
> + don't be added.
> + - mediatek,vpu : the node of video processor unit

These properties don't apply to all the nodes. I think you need a
section for each IP block.

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