Re: [PATCH 2/2] drm: bridge: add sil902x DT bindings doc

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From	Rob Herring <robh@kernel.org>
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Subject	Re: [PATCH 2/2] drm: bridge: add sil902x DT bindings doc
Date	Wed, 06 Jan 2016 14:30:02 +0100
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On Wed, Jan 06, 2016 at 12:25:51PM +0100, Boris Brezillon wrote:
> Add Sil9022 DT bindings description.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> ---
>  .../devicetree/bindings/display/bridge/sil902x.txt | 31 ++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/sil902x.txt
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/sil902x.txt b/Documentation/devicetree/bindings/display/bridge/sil902x.txt
> new file mode 100644
> index 0000000..7f1339f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/sil902x.txt
> @@ -0,0 +1,31 @@
> +sil902x HDMI bridge bindings
> +
> +Required properties:
> +	- compatible: "sil,sil9022"
> +	- reg: i2c address of the bridge
> +	- reset-gpios: OF device-tree gpio specification for RST_N pin.
> +
> +Optional properties:
> +	- interrupts-extended or interrupt-parent + interrupts: describe
> +	  the interrupt line used to inform the host about hotplug events.
> +
> +Optional subnodes:
> +	- video input: Device node can contain video input port node to
> +	  connect the bridge to a display controller output (See this
> +	  documentation [1]).
> +
> +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
> +
> +Example:
> +	hdmi-bridge@39 {
> +		compatible = "sil,sil9022";
> +		reg = <0x39>;
> +		reset-gpios = <&gpx1 5 1 0 0>;

4 GPIO cells? Valid, but unusual.

> +		ports {
> +			port@0 {

Either need a reg property here or drop the unit address. You could 
remove ports as well.

> +				bridge_in: endpoint {
> +					remote-endpoint = <&dc_out>;
> +				};
> +			};
> +		};
> +	};
> -- 
> 2.1.4
> 
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Thread

[PATCH 2/2] drm: bridge: add sil902x DT bindings doc Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-01-06 12:30 +0100
  Re: [PATCH 2/2] drm: bridge: add sil902x DT bindings doc Rob Herring <robh@kernel.org> - 2016-01-06 14:30 +0100
    Re: [PATCH 2/2] drm: bridge: add sil902x DT bindings doc Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-01-06 14:30 +0100

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