Re: [resend PATCH v6 01/12] dt-bindings: display: mediatek: Add mmsys binding description

CK Hu
2019-12-09T05:22:43Z

Hi, Matthias:

On Sat, 2019-12-07 at 23:47 +0100, matthias.bgg@kernel.org wrote:
> From: Matthias Brugger <mbrugger@suse.com>
>
> The MediaTek DRM has a block called mmsys, which sets
> the routing and enalbes the different blocks.
> This patch adds one line for the mmsys bindings description.
>
> Signed-off-by: Matthias Brugger <mbrugger@suse.com>
> ---
> .../display/mediatek/mediatek,disp.txt | 28 ++++++++++---------
> 1 file changed, 15 insertions(+), 13 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> index 8469de510001..c71c8a4b73ff 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> @@ -27,20 +27,22 @@ 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
> + "mediatek,<chip>-disp-ovl" - overlay (4 layers, blending, csc)

This patch conflicts with 5.5-rc, please resend this patch base on
5.5-rc1.

> + "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
> + "mediatek,<chip>-mmsys", "syscon" - provide clocks and components management
> the supported chips are mt2701, mt2712 and mt8173.

The original binding document for mmsys is in [1], I think we should not
define it in duplicate. Maybe you could remove the original document.

[1]
https://www.kernel.org/doc/Documentation/devicetree/bindings/arm/mediatek/mediatek%2Cmmsys.txt

Regards,
CK

> +
> - 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).