Re: [PATCH v29 1/7] dt-bindings: mediatek: add ethdr definition for mt8195

From: Krzysztof Kozlowski
Date: Thu Mar 16 2023 - 07:37:27 EST


On 16/03/2023 10:53, AngeloGioacchino Del Regno wrote:

> Hello Krzysztof, Nancy,
>
> Since this series has reached v29, can we please reach an agreement on the bindings
> to use here, so that we can get this finally upstreamed?
>
> I will put some examples to try to get this issue resolved.
>
> ### Example 1: Constrain the number of GCE entries to *seven* array elements (7x4!)
>
> mediatek,gce-client-reg:
> $ref: /schemas/types.yaml#/definitions/phandle-array
> maxItems: 1
> description: The register of display function block to be set by gce.
> There are 4 arguments in this property, gce node, subsys id, offset and
> register size. The subsys id is defined in the gce header of each chips
> include/dt-bindings/gce/<chip>-gce.h, mapping to the register of display
> function block.
> items:
> minItems: 28
> maxItems: 28
> items: <----- this block doesn't seem to get checked :\
> - description: phandle of GCE
> - description: GCE subsys id
> - description: register offset
> - description: register size

This is what we would like to have but it requires exception in
dtschema. Thus:

>
>
> ### Example 2: Don't care about constraining the number of arguments
>
> mediatek,gce-client-reg:
> $ref: /schemas/types.yaml#/definitions/phandle-array
> maxItems: 1
> description: The register of display function block to be set by gce.
> There are 4 arguments in this property, gce node, subsys id, offset and
> register size. The subsys id is defined in the gce header of each chips
> include/dt-bindings/gce/<chip>-gce.h, mapping to the register of display
> function block.

use this.

Best regards,
Krzysztof