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 at 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 at 39 {
> +             compatible = "sil,sil9022";
> +             reg = <0x39>;
> +             reset-gpios = <&gpx1 5 1 0 0>;

4 GPIO cells? Valid, but unusual.

> +             ports {
> +                     port at 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
> 

Reply via email to