Re: [PATCH v9 01/22] dt-bindings: mediatek,dpi: Add DP_INTF compatible

Maxime Ripard
2022-04-22T10:57:39Z

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Hi,

On Mon, Mar 28, 2022 at 12:39:06AM +0200, Guillaume Ranquet wrote:
> From: Markus Schneider-Pargmann <msp@baylibre.com>
>
> DP_INTF is similar to DPI but does not have the exact same feature set
> or register layouts.
>
> DP_INTF is the sink of the display pipeline that is connected to the
> DisplayPort controller and encoder unit. It takes the same clocks as
> DPI.
>
> Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
> Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
> Reviewed-by: Rob Herring <robh@kernel.org>
> ---
> .../bindings/display/mediatek/mediatek,dpi.yaml | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> index dd2896a40ff0..2dba80ad3b18 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> @@ -4,16 +4,16 @@
> $id: http://devicetree.org/schemas/display/mediatek/mediatek,dpi.yaml#
> $schema: http://devicetree.org/meta-schemas/core.yaml#
>
> -title: mediatek DPI Controller Device Tree Bindings
> +title: mediatek DPI/DP_INTF Controller
>
> maintainers:
> - CK Hu <ck.hu@mediatek.com>
> - Jitao shi <jitao.shi@mediatek.com>
>
> description: |
> - The Mediatek DPI function block is a sink of the display subsystem and
> - provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a parallel
> - output bus.
> + The Mediatek DPI and DP_INTF function blocks are a sink of the display
> + subsystem and provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a
> + parallel output bus.
>
> properties:
> compatible:
> @@ -23,6 +23,7 @@ properties:
> - mediatek,mt8173-dpi
> - mediatek,mt8183-dpi
> - mediatek,mt8192-dpi
> + - mediatek,mt8195-dpintf

It seems a bit weird to have all instances of DP_INTF with a separator
but the compatible doesn't have one?

Is there a reason to not use dp-intf?

Maxime

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