Re: [PATCH v2 1/2] dt-bindings: it6505: add properties to restrict output bandwidth

From: Krzysztof Kozlowski
Date: Thu Sep 29 2022 - 05:03:16 EST


On 29/09/2022 03:44, allen wrote:
> From: allen chen <allen.chen@xxxxxxxxxx>
>
> Add properties to restrict dp output data-lanes and clock.
>
> Signed-off-by: Pin-Yen Lin <treapking@xxxxxxxxxxxx>
> Signed-off-by: Allen Chen <allen.chen@xxxxxxxxxx>
> ---
> .../devicetree/bindings/display/bridge/ite,it6505.yaml | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
> index 833d11b2303a..62b9f2192202 100644
> --- a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
> @@ -52,6 +52,14 @@ properties:
> maxItems: 1
> description: extcon specifier for the Power Delivery
>
> + data-lanes:
> + maxItems: 1
> + description: restrict the dp output data-lanes with value of 1-4

Where is the definition of this property?

> +
> + max-pixel-clock-khz:
> + maxItems: 1
> + description: restrict max pixel clock

This looks wrong. You do not use proper unit suffix
(https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/property-units.yaml),
no vendor prefix, no type and weird maxItems like it was array. Is it
coming from any other schema?

Best regards,
Krzysztof