Re: [PATCH 3/5] Documentation/devicetree/bindings: Add b850v3_lvds_dp

From: Rob Herring
Date: Thu Jun 02 2016 - 18:57:14 EST


On Mon, May 30, 2016 at 06:39:43PM +0200, Peter Senna Tschudin wrote:
> Devicetree bindings documentation for the GE B850v3 LVDS/DP++
> display bridge.
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@xxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/ge/b850v3_lvds_dp.txt | 38 ++++++++++++++++++++++
> 1 file changed, 38 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/ge/b850v3_lvds_dp.txt
>
> diff --git a/Documentation/devicetree/bindings/ge/b850v3_lvds_dp.txt b/Documentation/devicetree/bindings/ge/b850v3_lvds_dp.txt
> new file mode 100644
> index 0000000..32e123a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ge/b850v3_lvds_dp.txt
> @@ -0,0 +1,38 @@
> +Driver for GE B850v3 LVDS/DP++ display bridge
> +
> +Required properties:
> + - compatible : should be "ge,b850v3_lvds_dp".
> + - reg : should contain the address used to ack the interrupts.
> + - interrupt-parent : should link to the gpio used as interrupt
> + source on the host.
> + - interrupts : one interrupt should be described here, as in
> + <0 IRQ_TYPE_LEVEL_HIGH>.
> + - edid-reg : should contain the address used to read edid information

This should be known based on the bridge chip you are using.

> + - port : should describe the vide signal connection between the host
> + and the bridge.
> +
> +Example:
> +
> +&mux2_i2c2 {
> + status = "okay";
> + clock-frequency = <100000>;
> +
> + b850v3_dp_bridge {

Don't use '_' in node or property names or compatible strings.

> + compatible = "ge,b850v3_lvds_dp";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + reg = <0x73>;
> + interrupt-parent = <&gpio2>;
> + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
> +
> + edid-reg = <0x72>;
> +
> + port@0 {
> + reg = <0>;
> + b850v3_dp_bridge_in: endpoint {
> + remote-endpoint = <&lvds0_out>;
> + };
> + };
> + };
> +};
> --
> 2.5.5
>