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SubjectRe: [PATCH v22 1/2] Documentation: bridge: Add documentation for ps8640 DT properties
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Hi Enric, Rob,

On Mon, 2019-12-23 at 15:35 +0100, Enric Balletbo i Serra wrote:
> From: Jitao Shi <jitao.shi@mediatek.com>
>
> Add documentation for DT properties supported by
> ps8640 DSI-eDP converter.
>
> Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
> Acked-by: Rob Herring <robh@kernel.org>
> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
> Signed-off-by: Ulrich Hecht <uli@fpond.eu>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
[..]
> +
> + ports:
> + type: object
> + description:
> + A node containing DSI input & output port nodes with endpoint
> + definitions as documented in
> + Documentation/devicetree/bindings/media/video-interfaces.txt
> + Documentation/devicetree/bindings/graph.txt
> + properties:
> + port@0:
> + type: object
> + description: |
> + Video port for DSI input
> +
> + port@1:
> + type: object
> + description: |
> + Video port for eDP output (panel or connector).
> +
> + required:
> + - port@0
> +

Is it correct to require port@0 ? This could be called port@1
or port@2, and IIUC it should bind the same.

Thanks,
Ezequiel

> +required:
> + - compatible
> + - reg
> + - powerdown-gpios
> + - reset-gpios
> + - vdd12-supply
> + - vdd33-supply
> + - ports
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> + i2c0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ps8640: edp-bridge@18 {
> + compatible = "parade,ps8640";
> + reg = <0x18>;
> + powerdown-gpios = <&pio 116 GPIO_ACTIVE_LOW>;
> + reset-gpios = <&pio 115 GPIO_ACTIVE_LOW>;
> + vdd12-supply = <&ps8640_fixed_1v2>;
> + vdd33-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>;
> + };
> + };
> + };
> + };
> + };
> +
> --
> 2.20.1
>
>


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