On Fri, Oct 16, 2015 at 7:15 AM, CK Hu <ck.hu@xxxxxxxxxxxx> wrote:
> From: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
>
> Add documentation for DT properties supported by ps8640
> DSI-eDP converter.
>
> Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/video/bridge/ps8640.txt | 48 ++++++++++++++++++++
Please move to bindings/display/bridge/.
> 1 file changed, 48 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/video/bridge/ps8640.txt
>
> diff --git a/Documentation/devicetree/bindings/video/bridge/ps8640.txt b/Documentation/devicetree/bindings/video/bridge/ps8640.txt
> new file mode 100644
> index 0000000..450b5df
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/video/bridge/ps8640.txt
> @@ -0,0 +1,48 @@
> +ps8640-bridge bindings
> +
> +Required properties:
> + - compatible: "parade,ps8640"
> + - reg: first i2c address of the bridge
> + - power-gpios: OF device-tree gpio specification for power pin.
> + - reset-gpios: OF device-tree gpio specification for reset pin.
> + - mode-sel-gpios: OF device-tree gpio specification for mode-sel pin.
> + - ps8640-1v2-supply: OF device-tree regulator specification for 1v2.
> + - ps8640-3v3-supply: OF device-tree regulator specification for 3v3.
As others have said, I would drop the part number and name them based
on the supply name (e.g. vdd?, vcore?).
> +
> +Optional properties:
> + - video interfaces: Device node can contain video interface port
> + nodes for panel according to [1].
I don't think this should be optional.
> +
> +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
> +
> +Example:
> + edp-bridge@18 {
> + compatible = "parade,ps8640";
> + reg = <0x18>;
> + power-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@0 {
> + reg = <0>;
> +
> + ps8640_in: endpoint {
> + remote-endpoint = <&dsi0_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + ps8640_out: endpoint {
> + remote-endpoint = <&panel_in>;
> + };
> + };
> + };
> + };
> --
> 1.7.9.5
>
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