[RFC v2 1/2] Documentation: bridge: Add documentation for ps8640 DT properties

[jitao.shi@mediatek.com (jitao shi)]

On Mon, 2015-11-02 at 10:09 +0800, Jitao Shi wrote:
> Add documentation for DT properties supported by
> ps8640 DSI-eDP converter.
> 
> Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
---
changes since v1:
        1. changes power-gpios to sleep-gpios.
        2. drop "ps8640-" in properties.
        3. add ports property.
> ---
>  .../devicetree/bindings/display/bridge/ps8640.txt  |   43 ++++++++++++++++++++
>  1 file changed, 43 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/ps8640.txt
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/ps8640.txt b/Documentation/devicetree/bindings/display/bridge/ps8640.txt
> new file mode 100644
> index 0000000..7edc547
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/ps8640.txt
> @@ -0,0 +1,43 @@
> +ps8640-bridge bindings
> +
> +Required properties:
> +	- compatible: "parade,ps8640"
> +	- reg: first page address of the bridge.
> +	- sleep-gpios: OF device-tree gpio specification for PD_ pin.
> +	- reset-gpios: OF device-tree gpio specification for reset pin.
> +	- mode-sel-gpios: OF device-tree gpio specification for mode-sel pin.
> +	- vdd12-supply: OF device-tree regulator specification for 1.2V power.
> +	- vdd33-supply: OF device-tree regulator specification for 3.3V power.
> +	- ports: The device node can contain video interface port nodes per
> +		 the video-interfaces bind[1]. For port at 0,set the reg = <0> as
> +		 ps8640 dsi in and port at 1,set the reg = <1> as ps8640 eDP out.
> +
> +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
> +
> +Example:
> +	edp-bridge at 18 {
> +		compatible = "parade,ps8640";
> +		reg = <0x18>;
> +		sleep-gpios = <&pio 116 GPIO_ACTIVE_HIGH>;
> +		reset-gpios = <&pio 115 GPIO_ACTIVE_HIGH>;
> +		mode-sel-gpios = <&pio 92 GPIO_ACTIVE_HIGH>;
> +		ps8640-1v2-supply = <&ps8640_fixed_1v2>;
> +		ps8640-3v3-supply = <&mt6397_vgp2_reg>;
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			port at 0 {
> +				reg = <0>;
> +				ps8640_in: endpoint {
> +					remote-endpoint = <&dsi0_out>;
> +				};
> +			};
> +			port at 1 {
> +				reg = <1>;
> +				ps8640_out: endpoint {
> +					remote-endpoint = <&panel_in>;
> +				};
> +			};
> +		};
> +	};