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Date:   Sun, 31 Mar 2019 01:42:30 -0500
From:   Rob Herring <robh@...nel.org>
To:     yongqiang.niu@...iatek.com
Cc:     ck.hu@...iatek.com, p.zabel@...gutronix.de, matthias.bgg@...il.com,
        airlied@...ux.ie, mark.rutland@....com,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, Bibby.Hsieh@...iatek.com,
        yt.shen@...iatek.com
Subject: Re: [PATCH v2 02/25] dt-bindings: mediatek: add binding for mt8183
 display

On Wed, Mar 27, 2019 at 02:18:58PM +0800, yongqiang.niu@...iatek.com wrote:
> From: Yongqiang Niu <yongqiang.niu@...iatek.com>
> 
> Update device tree binding documention for the display subsystem for
> Mediatek MT8183 SOCs
> 
> Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
> ---
>  .../bindings/display/mediatek/mediatek,disp.txt    | 37 ++++++++++++++--------
>  1 file changed, 23 insertions(+), 14 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> index 8469de5..5467470c 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> @@ -27,20 +27,23 @@ Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt.
>  
>  Required properties (all function blocks):
>  - compatible: "mediatek,<chip>-disp-<function>", one of
> -	"mediatek,<chip>-disp-ovl"   - overlay (4 layers, blending, csc)
> -	"mediatek,<chip>-disp-rdma"  - read DMA / line buffer
> -	"mediatek,<chip>-disp-wdma"  - write DMA
> -	"mediatek,<chip>-disp-color" - color processor
> -	"mediatek,<chip>-disp-aal"   - adaptive ambient light controller
> -	"mediatek,<chip>-disp-gamma" - gamma correction
> -	"mediatek,<chip>-disp-merge" - merge streams from two RDMA sources
> -	"mediatek,<chip>-disp-split" - split stream to two encoders
> -	"mediatek,<chip>-disp-ufoe"  - data compression engine
> -	"mediatek,<chip>-dsi"        - DSI controller, see mediatek,dsi.txt
> -	"mediatek,<chip>-dpi"        - DPI controller, see mediatek,dpi.txt
> -	"mediatek,<chip>-disp-mutex" - display mutex
> -	"mediatek,<chip>-disp-od"    - overdrive
> -  the supported chips are mt2701, mt2712 and mt8173.
> +	"mediatek,<chip>-disp-ovl"   		- overlay (4 layers, blending, csc)
> +	"mediatek,<chip>-disp-ovl-2l"   	- overlay (2 layers, blending, csc)
> +	"mediatek,<chip>-disp-rdma"  		- read DMA / line buffer
> +	"mediatek,<chip>-disp-wdma"  		- write DMA
> +	"mediatek,<chip>-disp-ccorr" 		- color correction
> +	"mediatek,<chip>-disp-color" 		- color processor
> +	"mediatek,<chip>-disp-dither" 		- dither
> +	"mediatek,<chip>-disp-aal"   		- adaptive ambient light controller
> +	"mediatek,<chip>-disp-gamma" 		- gamma correction
> +	"mediatek,<chip>-disp-merge" 		- merge streams from two RDMA sources
> +	"mediatek,<chip>-disp-split" 		- split stream to two encoders
> +	"mediatek,<chip>-disp-ufoe"  		- data compression engine
> +	"mediatek,<chip>-dsi"        		- DSI controller, see mediatek,dsi.txt
> +	"mediatek,<chip>-dpi"        		- DPI controller, see mediatek,dpi.txt
> +	"mediatek,<chip>-disp-mutex" 		- display mutex
> +	"mediatek,<chip>-disp-od"    		- overdrive
> +  the supported chips are mt2701, mt2712, mt8173 and mt8183.
>  - reg: Physical base address and length of the function block register space
>  - interrupts: The interrupt signal from the function block (required, except for
>    merge and split function blocks).
> @@ -71,6 +74,12 @@ mmsys: clock-controller@...00000 {
>  	#clock-cells = <1>;
>  };
>  
> +display_components: dispsys@...00000 {
> +		compatible = "mediatek,mt8183-display";

Documented?

> +		reg = <0 0x14000000 0 0x1000>;
> +		power-domains = <&scpsys MT8183_POWER_DOMAIN_DISP>;
> +};
> +
>  ovl0: ovl@...0c000 {
>  	compatible = "mediatek,mt8173-disp-ovl";
>  	reg = <0 0x1400c000 0 0x1000>;
> -- 
> 1.8.1.1.dirty
> 

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