Re: [PATCH 01/10] dt-bindings: display: xlnx: Add Xilinx kms bindings

[Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

On Thu, Jan 04, 2018 at 06:05:50PM -0800, Hyun Kwon wrote:
> The dt binding for Xilinx DRM KMS driver.

Bindings are for h/w, not drivers.

> 
> Signed-off-by: Hyun Kwon <hyun.kwon-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
> ---
>  .../devicetree/bindings/display/xlnx/xlnx,kms.txt    | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/xlnx/xlnx,kms.txt
> 
> diff --git a/Documentation/devicetree/bindings/display/xlnx/xlnx,kms.txt b/Documentation/devicetree/bindings/display/xlnx/xlnx,kms.txt
> new file mode 100644
> index 0000000..8dcd552
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/xlnx/xlnx,kms.txt
> @@ -0,0 +1,20 @@
> +Xilinx KMS Pipeline
> +-------------------
> +
> +Xilinx display pipelines can be designed with hardened video IPs and soft video
> +IPs in programmable logic. This KMS module provides the common functionality
> +of individual subdevice drivers, and glue logics between them.
> +
> +Required properties:
> +
> +- compatible: Must be "xlnx,kms".
> +
> +- ports: phandles for CRTC ports, using the DT bindings defined in
> +  Documentation/devicetree/bindings/graph.txt.

This use of ports is not part of the graph binding.

> +
> +Example:
> +
> +	xlnx_drm: xlnx_drm {
> +		compatible = "xlnx,kms";

drm and kms are Linuxisms.

Why do you need this node?

> +		ports = <&crtc_port>;
> +	};
> -- 
> 2.7.4
> 
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