linux-kernel - Re: [PATCH v2 1/2] dt-bindings: arm: rockchip: Add Asus Tinker Board 3 and 3S

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Message-ID: <8fce39e0-62f7-4a79-83b8-e3a63af10e2f@rootcommit.com>
Date: Wed, 19 Nov 2025 07:25:37 +0000 (UTC)
From: Michael Opdenacker <michael.opdenacker@...tcommit.com>
To: Dragan Simic <dsimic@...jaro.org>
Cc: michael.opdenacker@...tcommit.com, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, heiko@...ech.de, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: arm: rockchip: Add Asus Tinker Board
 3 and 3S

Hi Dragan

Thanks for your reviews in busy times!

> This should let us keep the "asus,rk3566-tinker-board-3" compatible
> in the new rk3566-tinker-board-3s.dts board dts while satisfying the
> validation properly:
>
>    - description: Asus Tinker Board 3/3S
>      items:
>      - enum:
>          - asus,rk3566-tinker-board-3s
>      - const: asus,rk3566-tinker-board-3
>      - const: rockchip,rk3566
>
> I'm quite busy at the moment, hence my delayed response, and I also
> apologize for not running the checks on the above-proposed solution,
> but I think it should work as expected.

I actually already tried this, but it doesn't pass "make dtbs_check":

arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dtb: / 
(asus,rk3566-tinker-board-3): compatible: 'oneOf' conditional failed, 
one must be fixed:
     ['asus,rk3566-tinker-board-3', 'rockchip,rk3566'] is too short

The "enum" statement seems to mean that there is at least one of the 
items, which is not the case for rk3566-tinker-board-3.dts that doesn't 
have it.

So, my V3 seems like the way to go if we don't want to duplicate entries 
in rockchip.yaml.
Cheers
Michael.

-- 
Michael Opdenacker
Root Commit
Yocto Project and OpenEmbedded Training course - Learn by doing:
https://rootcommit.com/training/yocto/