linux-kernel - Re: [PATCH v3 2/3] dt-bindings: arm: actions: Document Caninos Loucos Labrador

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Message-ID: <99c5fa14-cc2d-3692-fc6e-8e3fa77c5ab0@suse.de>
Date:   Sun, 26 Apr 2020 13:50:24 +0200
From:   Andreas Färber <afaerber@...e.de>
To:     Matheus Castello <matheus@...tello.eng.br>
Cc:     manivannan.sadhasivam@...aro.org, mark.rutland@....com,
        robh+dt@...nel.org, edgar.righi@...tec.org.br,
        igor.lima@...tec.org.br, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-actions@...ts.infradead.org
Subject: Re: [PATCH v3 2/3] dt-bindings: arm: actions: Document Caninos Loucos
 Labrador

+ linux-actions

Am 20.03.20 um 04:51 schrieb Matheus Castello:
> Update the documentation to add the Caninos Loucos Labrador. Labrador
> project consists of a computer on module based on the Actions Semi S500
> processor and the Labrador base board.
> 
> Signed-off-by: Matheus Castello <matheus@...tello.eng.br>
> ---
>   Documentation/devicetree/bindings/arm/actions.yaml | 5 +++++
>   1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/actions.yaml b/Documentation/devicetree/bindings/arm/actions.yaml
> index ace3fdaa8396..1b131ceb884a 100644
> --- a/Documentation/devicetree/bindings/arm/actions.yaml
> +++ b/Documentation/devicetree/bindings/arm/actions.yaml
> @@ -24,6 +24,11 @@ properties:
>                 - lemaker,guitar-bb-rev-b # LeMaker Guitar Base Board rev. B
>             - const: lemaker,guitar
>             - const: actions,s500
> +      - items:
> +          - enum:
> +              - caninos,labrador-bb # Caninos Loucos Labrador Base Board
> +          - const: caninos,labrador
> +          - const: actions,s500
> 
>         # The Actions Semi S700 is a quad-core ARM Cortex-A53 SoC.
>         - items:

Now that you chose to stick with caninos rather than lsi prefix, the 
sort order compared to lemaker remains wrong.

Looking at https://caninosloucos.org/en/labrador-en/ there's a "CORE 
BOARD V2.0" and a "BASE BOARD M V1.0".

Assuming the v2 is not software-relevant, shouldn't the M be reflected 
in the compatible string? For example, "caninos,labrador-core" and 
"caninos,labrador-m"? You're free to use -bb-m of course, but no need to 
copy LeMaker -bb naming for your board. What does your PCB say?

Also note that other recent bindings have been using a description 
attribute - not sure whether we can apply that a) to the SoM and b) to 
the base board here. Please compare other in-tree bindings.

Regards,
Andreas

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