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SubjectRe: [PATCH 4/9] dt-bindings: Add ANX6345 DP/eDP transmitter binding
Date
Hi Icenowy,

Thank you for the patch.

On Thursday, 18 October 2018 10:33:22 EEST Icenowy Zheng wrote:
> The ANX6345 is an ultra-low power DisplayPort/eDP transmitter designed
> for portable devices.
>
> Add a binding document for it.
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
> .../bindings/display/bridge/anx6345.txt | 39 +++++++++++++++++++
> 1 file changed, 39 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/display/bridge/anx6345.txt
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/anx6345.txt
> b/Documentation/devicetree/bindings/display/bridge/anx6345.txt new file
> mode 100644
> index 000000000000..0689d4eb5f65
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/anx6345.txt
> @@ -0,0 +1,39 @@
> +Analogix ANX6345 eDP Transmitter
> +--------------------------------
> +
> +The ANX6345 is an ultra-low power Full-HD eDP transmitter designed for
> +portable devices.
> +
> +Required properties:
> +
> + - compatible : "analogix,anx6345"
> + - reg : I2C address of the device
> + - reset-gpios : Which GPIO to use for reset
> +
> +Optional properties:
> +
> + - dvdd12-supply : Regulator for 1.2V digital core power.
> + - dvdd25-supply : Regulator for 2.5V digital core power.

Shouldn't these to supplies be mandatory ?

> + - panel-supply : Regulator for the power of the panel.

Shouldn't the panel supply for specified in the DT node of the panel ?

> + - edid : verbatim EDID data block describing attached
> + panel, only used when the panel has no EDID info.

This should also be specified in the panel DT node.

> + - Video port for RGB input, using the DT bindings defined in [1].

I think you should also add a port for the output.

> +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
> +
> +Example:
> +
> +anx6345: anx6345@38 {
> + compatible = "analogix,anx6345";
> + reg = <0x38>;
> + reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
> + panel-supply = <&reg_dc1sw>;
> + dvdd25-supply = <&reg_dldo2>;
> + dvdd12-supply = <&reg_fldo1>;
> +
> + port {
> + anx6345_in: endpoint {
> + remote-endpoint = <&tcon0_out_anx6345>;
> + };
> + };
> +};

--
Regards,

Laurent Pinchart



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