From mboxrd@z Thu Jan  1 00:00:00 1970
From: robh@kernel.org (Rob Herring)
Date: Thu, 2 Jun 2016 17:57:07 -0500
Subject: [PATCH 3/5] Documentation/devicetree/bindings: Add b850v3_lvds_dp
In-Reply-To: <1464626385-19253-4-git-send-email-peter.senna@collabora.com>
References: <1464626385-19253-1-git-send-email-peter.senna@collabora.com>
 <1464626385-19253-4-git-send-email-peter.senna@collabora.com>
Message-ID: <20160602225707.GA29417@rob-hp-laptop>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

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@collabora.com>
> ---
>  .../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 at 0 {
> +			reg = <0>;
> +			b850v3_dp_bridge_in: endpoint {
> +				remote-endpoint = <&lvds0_out>;
> +			};
> +		};
> +	};
> +};
> -- 
> 2.5.5
>